Hazard Plain Preview: automated baseline

Lexington County, SC

Risk-assessment baseline packet

Unit
County area 45063
Release
2026-10
As of
2026-09-28
Storm Events data through
2026-06-30

Hazard Plain is an independent product built from public federal data. It is not a FEMA document and is not reviewed or endorsed by FEMA or any state agency.

A starting point for the plan's risk assessment (FEMA Local Mitigation Plan Review Tool, Element B). It does not replace local data or FEMA review. Section headings say which FEMA review item each table supports; whether an item is satisfied is decided by the plan and its reviewers.

Hazard Plain release 2026-10, as of 2026-09-28. Independent product; not a FEMA document.

Plan clock

Status
Plan 112208 approved 2026-08-31, pending adoption here; not yet eligible
Plan
Central Midlands COG (FEMA plan 112208), pending adoption here
Approved
2026-08-31 by FEMA; not yet adopted here
Expires
2031-08-30 once adopted
As of
2026-09-28
Update underway
FEMA tracker shows a plan approvable pending adoption

Not yet eligible: adopt the approved plan.

Not yet eligible: adopt the approved plan.

What changed since your last plan

Not available. Plan 112208 was approved by FEMA on 2026-08-31 but is not yet adopted here, so no since-plan counts are given.

Sources

FEMA, OpenFEMA HazardMitigationPlanStatuses v1, version 2026-09-26T121003Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/HazardMitigationPlanStatuses (API)

FEMA, OpenFEMA DisasterDeclarationsSummaries v2, version 2026-09-27T010817Z, pulled 2026-09-28, https://www.fema.gov/api/open/v2/DisasterDeclarationsSummaries (API)

NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-28, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/

FEMA, OpenFEMA NfipMultipleLossProperties v1, version 2026-08-04T164045Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/NfipMultipleLossProperties (API)

Plan status for every jurisdiction listed in this county: 15 rows, in the section "Plan clock: Plan status for every jurisdiction listed in this county" after these cover pages.

State plan status and tribal plans in this state: see the state page.

Plan clock

Plan status for every jurisdiction listed in this county

JurisdictionTypeStatusPlanApprovedExpiresDays to expirynegative = days since expiryUpdate underwayNotes
Lexington County (unincorporated area)UnincorporatedPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleCentral Midlands COG (FEMA plan 112208), pending adoption here2026-08-31 by FEMA; not yet adopted here2031-08-30 once adoptedFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Batesburg-Leesville townTownPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleCentral Midlands COG (FEMA plan 112208), pending adoption here2026-08-31 by FEMA; not yet adopted here2031-08-30 once adoptedFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Cayce cityCityPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleCentral Midlands COG (FEMA plan 112208), pending adoption here2026-08-31 by FEMA; not yet adopted here2031-08-30 once adoptedFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Chapin townTownPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleCentral Midlands COG (FEMA plan 112208), pending adoption here2026-08-31 by FEMA; not yet adopted here2031-08-30 once adoptedFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Gaston townTownPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleCentral Midlands COG (FEMA plan 112208), pending adoption here2026-08-31 by FEMA; not yet adopted here2031-08-30 once adoptedFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Gilbert townTownPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleCentral Midlands COG (FEMA plan 112208), pending adoption here2026-08-31 by FEMA; not yet adopted here2031-08-30 once adoptedFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Irmo townTownPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleCentral Midlands COG (FEMA plan 112208), pending adoption here2026-08-31 by FEMA; not yet adopted here2031-08-30 once adoptedFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Lexington townTownPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleCentral Midlands COG (FEMA plan 112208), pending adoption here2026-08-31 by FEMA; not yet adopted here2031-08-30 once adoptedFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Pelion townTownPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleCentral Midlands COG (FEMA plan 112208), pending adoption here2026-08-31 by FEMA; not yet adopted here2031-08-30 once adoptedFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Pine Ridge townTownApproved, expires 2031-08-30Central Midlands COG (FEMA plan 112208)2026-08-312031-08-301,797
South Congaree townTownApproved, expires 2031-08-30Central Midlands COG (FEMA plan 112208)2026-08-312031-08-301,797member approved 2026-09-24
Springdale townTownPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleCentral Midlands COG (FEMA plan 112208), pending adoption here2026-08-31 by FEMA; not yet adopted here2031-08-30 once adoptedFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Summit townTownPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleCentral Midlands COG (FEMA plan 112208), pending adoption here2026-08-31 by FEMA; not yet adopted here2031-08-30 once adoptedFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
Swansea townTownPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleCentral Midlands COG (FEMA plan 112208), pending adoption here2026-08-31 by FEMA; not yet adopted here2031-08-30 once adoptedFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.
West Columbia cityCityPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleCentral Midlands COG (FEMA plan 112208), pending adoption here2026-08-31 by FEMA; not yet adopted here2031-08-30 once adoptedFEMA tracker shows a plan approvable pending adoptionNot yet eligible: adopt the approved plan.

Source

FEMA, OpenFEMA HazardMitigationPlanStatuses v1, version 2026-09-26T121003Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/HazardMitigationPlanStatuses (API)

Supports B1-a: hazards

Hazards NRI does not cover: check locally

  • dam failure (incl. upstream dams)
  • levee failure
  • flash flood as its own subtype
  • ice jams
  • debris flows
  • erosion (riverine and coastal)
  • land subsidence and sinkholes
  • expansive soils

The 18 National Risk Index hazards, ranked by expected annual loss (EAL)

Rank by EALHazardNRI risk ratingEAL ratingEAL buildingsmodeled dollars per yearEAL agriculturemodeled dollars per yearEAL population equivalencestatistical value of life and injury, $13.7M per life, not property damageEAL total (see note)modeled dollars per yearStorm Events records since 1996countEvidence for an omissionNRI Not Applicable, no declaration and no Storm Events record since 1996Storm Events coverage note
1Inland FloodingRelatively ModerateRelatively Moderate$46,383,580$94,104$436,343$46,914,02792
2TornadoRelatively HighRelatively High$7,604,125$10,823$16,277,727$23,892,67631
3HurricaneRelatively ModerateRelatively High$11,069,034$1,417,260$514,978$13,001,2715
4EarthquakeRelatively ModerateRelatively Moderate$5,679,897$1,907,754$7,587,651Not in Storm Events. Storm Events coverage of this hazard is limited; absence is not evidence of low risk.
5Heat WaveRelatively ModerateRelatively Moderate$185$336$4,286,135$4,286,6560No recorded events in Storm Events since 1996 (data through 2026-06-30).
6Cold WaveRelatively ModerateRelatively Moderate$9,348$56,083$3,543,538$3,608,9701
7Strong WindRelatively HighRelatively High$347,338$14,917$2,553,166$2,915,422718Includes 5 High Wind records and 13 Strong Wind records, event types the NRI definition of this hazard leaves out.
8Ice StormVery HighVery High$2,007,296$425,949$2,433,2455
9LightningRelatively HighRelatively High$146,088$1,428,618$1,574,70712
10HailRelatively ModerateRelatively Moderate$416,170$60,710$560,045$1,036,925244
11DroughtRelatively LowRelatively Moderate$397,797$397,7970Declared 1 time; no Storm Events record of this type.
12WildfireRelatively LowRelatively Low$263,046$374$37,528$300,9480No recorded events in Storm Events since 1996 (data through 2026-06-30). Storm Events coverage of this hazard is limited; absence is not evidence of low risk.
13Winter WeatherRelatively ModerateRelatively Moderate$34,641$285$166,988$201,91421
14LandslideRelatively LowRelatively Low$11,174$36$11,2100Declared 1 time; no Storm Events record of this type. Storm Events coverage of this hazard is limited; absence is not evidence of low risk.
AvalancheNot ApplicableNot Applicable0NRI rates avalanche Not Applicable for this county, and no federal declaration for this county names it.No recorded events in Storm Events since 1996 (data through 2026-06-30).
Coastal FloodingNot ApplicableNot Applicable0NRI rates coastal flooding Not Applicable for this county, and no federal declaration for this county names it.No recorded events in Storm Events since 1996 (data through 2026-06-30).
TsunamiNot ApplicableNot Applicable0NRI rates tsunami Not Applicable for this county, and no federal declaration for this county names it.No recorded events in Storm Events since 1996 (data through 2026-06-30). Storm Events coverage of this hazard is limited; absence is not evidence of low risk.
Volcanic ActivityNot ApplicableNot Applicable0NRI rates volcanic activity Not Applicable for this county, and no federal declaration for this county names it.No recorded events in Storm Events since 1996 (data through 2026-06-30). Storm Events coverage of this hazard is limited; absence is not evidence of low risk.

Total = buildings + agriculture + population equivalence; FEMA values each expected death (or 10 injuries) at $13.7 million (2024 dollars).

Sources

FEMA, FEMA National Risk Index 1.20.0 (December 2025), county and census tract tables, version 1.20.0, pulled 2026-09-28, https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_Counties.zip (download, 25 MB), https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_CensusTracts.zip (download, 635 MB)

NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-28, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/

Check your state hazard mitigation plan's hazard list for this county; explain any hazard you drop.

Supports B1-b: location

Where each hazard occurs

HazardLocationCensus tracts ratedrated of all tracts
AvalancheCensus tract rating counts from the National Risk Index tract table (see B1-f). Tract maps and place names are not in this packet.0 of 92
Coastal FloodingCensus tract rating counts from the National Risk Index tract table (see B1-f). Tract maps and place names are not in this packet.0 of 92
Cold WaveAffects the whole planning area; national data do not distinguish locations within the county. Confirm locally.92 of 92
DroughtAffects the whole planning area; national data do not distinguish locations within the county. Confirm locally.45 of 92
EarthquakeCensus tract rating counts from the National Risk Index tract table (see B1-f). Tract maps and place names are not in this packet.92 of 92
HailAffects the whole planning area; national data do not distinguish locations within the county. Confirm locally.92 of 92
Heat WaveAffects the whole planning area; national data do not distinguish locations within the county. Confirm locally.92 of 92
HurricaneCensus tract rating counts from the National Risk Index tract table (see B1-f). Tract maps and place names are not in this packet.92 of 92
Ice StormAffects the whole planning area; national data do not distinguish locations within the county. Confirm locally.92 of 92
Inland FloodingThe FEMA Flood Insurance Rate Map (FIRM) is the required location source for flooding. See the FEMA Flood Map Service Center (https://msc.fema.gov) for this county.92 of 92
LandslideCensus tract rating counts from the National Risk Index tract table (see B1-f). Tract maps and place names are not in this packet.92 of 92
LightningAffects the whole planning area; national data do not distinguish locations within the county. Confirm locally.92 of 92
Strong WindAffects the whole planning area; national data do not distinguish locations within the county. Confirm locally.92 of 92
TornadoCensus tract rating counts from the National Risk Index tract table (see B1-f). Tract maps and place names are not in this packet.92 of 92
TsunamiCensus tract rating counts from the National Risk Index tract table (see B1-f). Tract maps and place names are not in this packet.0 of 92
Volcanic ActivityCensus tract rating counts from the National Risk Index tract table (see B1-f). Tract maps and place names are not in this packet.0 of 92
WildfireCensus tract rating counts from the National Risk Index tract table (see B1-f). Tract maps and place names are not in this packet.92 of 92
Winter WeatherAffects the whole planning area; national data do not distinguish locations within the county. Confirm locally.92 of 92

Source

FEMA, FEMA National Risk Index 1.20.0 (December 2025), county and census tract tables, version 1.20.0, pulled 2026-09-28, https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_Counties.zip (download, 25 MB), https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_CensusTracts.zip (download, 635 MB)

Supports B1-c: extent

Extent: scale, observed range and worst recorded event per hazard

HazardScaleRecordscount, yearsObserved rangeWorst recorded eventMost damaging (when different)How it applies to membersNote
Avalanchenone (count and damage)0Physical measure: in event narratives only; local data required.
Coastal Flood, Storm Surge/Tidenone in data (FIRM for depth)0Flood depth: see the FEMA Flood Insurance Rate Map.
Cold/Wind Chill, Extreme Cold/Wind Chillwind chill1, 2022 to 2022 (1 zone-level)1 day; 1 with a recorded value1 consecutive day, 2022-12-24, zone-levelZone-level records: applies countywide; national data do not locate these events within the county.Wind chill: in event narratives only; local data required.
Frost/Freeze (outside NRI Cold Wave definition)crop damage0Temperature: in event narratives only; local data required.
DroughtUS Drought Monitor D-scale0Storm Events enters a drought at D2 or worse east of the Rockies and D3 or worse from the Rockies west (NWS Instruction 10-1605); NRI drought counts D3 and D4 only.
EarthquakeModified Mercalli (local data)0No Storm Events record; local data required (e.g., USGS).
Hailhail size (inches)303, 1963 to 20240.25 in to 2.5 in (median 0.88 in); 303 with a recorded value2.5 in hail, 1991-03-13; same size also recorded on 1989-05-05Hail, 2012-07-01, $65,000 property; $15,000 crops (2012 dollars)Event records naming member places: Lexington town (33 records), Irmo town (22 records), Gaston town (20 records), Pelion town (17 records), Gilbert town (16 records), Chapin town (14 records), Swansea town (9 records), Cayce city (6 records), West Columbia city (6 records), South Congaree town (4 records).
Excessive Heat, Heatheat index (narratives)0Heat index: in event narratives only; local data required.
Hurricane, Tropical Storm, Tropical DepressionSaffir-Simpson5, 2018 to 2024 (5 zone-level)Strongest recorded (records with damage, a wind speed or direct casualties first, then storm type, category and wind): Tropical Storm record, 2024-09-27, $16,000,000 property; $4,000,000 crops, reported for the zone (2024 dollars); NWS zone SCZ027 (LEXINGTON), zone-level: may include parts of neighboring countiesZone-level records: applies countywide; national data do not locate these events within the county.Storm Events files every zone of a storm's episode under the storm's event type and category, so a Hurricane (Typhoon) record, especially an inland or remnant one, does not by itself mean hurricane-force winds here; read the damage and wind columns.
Ice StormSperry-Piltz (local data)5, 2002 to 2026 (5 zone-level)No damage reported in 5 records.Zone-level records: applies countywide; national data do not locate these events within the county.Ice thickness: in event narratives only; local data required.
Flash Flood, Flood, Lakeshore Flooddamage and flood days (FIRM for depth)92, 1996 to 2026 (1 zone-level)Flash Flood, 2015-10-10, $5,000,000 property; $1,000,000 crops (2015 dollars)Event records naming member places: Irmo town (15 records), Springdale town (8 records), Lexington town (7 records), Cayce city (5 records), Gilbert town (5 records), Pelion town (4 records), Summit town (2 records), Chapin town (1 record), Gaston town (1 record), Swansea town (1 record). Zone-level records (1) apply countywide.Flood depth: see the FEMA Flood Insurance Rate Map. Storm Events damage can be $0 or blank even for a major flood, so the worst record here may not be the worst flood; compare FEMA Public Assistance by declaration in B1-d.
Debris Flownone (count and damage)0Physical measure: in event narratives only; local data required.
Lightningannualized frequency (the measure FEMA's Local Mitigation Planning Handbook names)12, 1996 to 2025Lightning, 2015-06-27, $0 property; $0 crops (2015 dollars), 1 direct deathLightning, 2004-06-27, $750,000 property; $0 crops (2004 dollars)Event records naming member places: Lexington town (4 records), Irmo town (2 records), West Columbia city (1 record).Storm Events lists lightning with damage or casualties; physical measure in event narratives only; local data required.
High Wind and Strong Wind (outside NRI Strong Wind definition)wind speed (kt and mph)18, 2008 to 2024 (18 zone-level)35 kt (40 mph) to 55 kt (63 mph) (median 44.5 kt (51 mph)); 18 with a recorded value55 kt (63 mph) estimated gust, High Wind, 2008-10-24; NWS zone SCZ027 (LEXINGTON), zone-level: may include parts of neighboring countiesHigh Wind, 2016-10-08, $750,000 property; $0 crops, reported for the zone (2016 dollars)Zone-level records: applies countywide; national data do not locate these events within the county.
Thunderstorm Windwind speed (kt and mph)808, 1956 to 202635 kt (40 mph) to 96 kt (110 mph) (median 55 kt (63 mph)); 707 with a recorded value96 kt (110 mph) estimated gust, Thunderstorm Wind, 2018-04-15Thunderstorm Wind, 2016-04-07, $250,000 property; crops not reported (2016 dollars)Event records naming member places: Lexington town (100 records), Irmo town (65 records), Chapin town (52 records), Swansea town (33 records), Gilbert town (31 records), Pelion town (26 records), Gaston town (17 records), Springdale town (14 records), Cayce city (12 records), West Columbia city (10 records); and 2 more member places (see the XLSX file).
TornadoEnhanced Fujita (F before Feb 2007)49, 1957 to 2026F/EF0 to F/EF3 (median F/EF1); 46 with a recorded valueF3 tornado, 1994-08-16, 8 mi path length (records before 1996 may include the whole path; rating and listing come from the county where the tornado began), 440 yd wide, $50,000,000 property; crops not recorded (1994 dollars), 40 direct injuriesEvent records naming member places: Lexington town (6 records), Gilbert town (5 records), Gaston town (4 records), Irmo town (3 records), Chapin town (2 records), Pelion town (2 records), Cayce city (1 record), South Congaree town (1 record), Swansea town (1 record).From 1996 on, tornado records are per-county segments and length is the path length within this county (NWS Instruction 10-1605); records before 1996 may give the whole path length, including the path outside this county, and before 1996 a tornado is listed once, under the county where it began, with the whole path's rating; counties farther along the path may not list it. Length is not used to rank tornadoes.
Tsunaminone (count and damage)0Physical measure: in event narratives only; local data required.
Volcanic Ash, Volcanic AshfallVolcanic Explosivity Index (local data)0Physical measure: in event narratives only; local data required.
Wildfireacres burned (local data)0Acres burned: in event narratives only; local data required.
Winter Storm, Heavy Snow, Blizzard, Lake-Effect Snow, Winter Weather, Sleetnone in data (snowfall local)21, 2002 to 2026 (21 zone-level)Heavy Snow, 2014-11-01, $12,000 property; $0 crops, reported for the zone (2014 dollars); NWS zone SCZ027 (LEXINGTON), zone-level: may include parts of neighboring countiesZone-level records: applies countywide; national data do not locate these events within the county.Snow depth: in event narratives only; local data required.

Where a hazard names more than 10 member places, the table lists the 10 with the most records; every place is in the XLSX file, sheet "B1-c Extent".

Storm Events records are more complete after 1996; before 1996 only Tornado (from 1950), Hail and Thunderstorm Wind (from 1955) exist. Zone-level records are placed with NWS zone-county files, which exist from 2020 on; an earlier record is placed by its zone number in the nearest later file only when its zone name matches that file, records from zones NWS renumbered are placed by name or left out, and a record whose zone is in no known file is left out of every count, so counts before 2020 can be low. Some current zones are also missing from the NWS files, so recent counts can be low too.

Dollars are nominal (as reported), labeled with the year; not adjusted for inflation.

Sources

NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-28, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/

NOAA National Weather Service, NWS county-public forecast zones correlation file, version bp03mr20 to bp16ap26 (11 files; newest bp16ap26), pulled 2026-09-28, https://www.weather.gov/gis/ZoneCounty

Supports B1-d: previous occurrences

Declaration rows
25
Counted incidents
16

Plan 112208 was approved by FEMA on 2026-08-31 but is not yet adopted here, so no since-plan counts are given.

Federal disaster declarations for this county

DeclaredIncident beganFEMA numberTypeTitleMapped hazardCounty Public Assistancefederal share obligated, nominal dollarsFlagsNotes
2026-01-232026-01-21EM-3632-SCEmergencySEVERE WINTER STORMWinter Weathernone foundwithin last 5 years
2024-09-292024-09-25DR-4829-SCMajor disasterHURRICANE HELENEHurricane (primary); also designated: Inland Flooding, Landslide, Tornado$2,981,845.24within last 5 years
2024-09-262024-09-25EM-3619-SCEmergencyHURRICANE HELENEHurricane (primary); also designated: Inland Flooding, Landslide, Tornadonone foundwithin last 5 yearssame incident as DR-4829
2024-08-052024-08-04EM-3606-SCEmergencyHURRICANE DEBBYHurricane (primary); also designated: Inland Floodingnone foundwithin last 5 years
2023-08-312023-08-29EM-3597-SCEmergencyHURRICANE IDALIAHurricane (primary); also designated: Inland Floodingnone foundwithin last 5 years
2022-11-212022-09-25DR-4677-SCMajor disasterHURRICANE IANHurricanenone foundwithin last 5 years
2022-09-292022-09-25EM-3585-SCEmergencyHURRICANE IANHurricanenone foundwithin last 5 yearssame incident as DR-4677
2020-03-272020-01-20DR-4492-SCMajor disasterCOVID-19 PANDEMICNon-natural, not counted$6,535,201.26
2020-03-132020-01-20EM-3470-SCEmergencyCOVID-19Non-natural, not countednone foundsame incident as DR-4492
2019-09-012019-08-31EM-3421-SCEmergencyHURRICANE DORIANHurricanenone found
2018-09-102018-09-08EM-3400-SCEmergencyHURRICANE FLORENCEHurricanenone found
2017-10-162017-09-06DR-4346-SCMajor disasterHURRICANE IRMAHurricane$6,316
2017-09-072017-09-06EM-3386-SCEmergencyHURRICANE IRMAHurricanenone foundsame incident as DR-4346
2016-10-062016-10-04EM-3378-SCEmergencyHURRICANE MATTHEWHurricanenone found
2015-10-052015-10-01DR-4241-SCMajor disasterSEVERE STORMS AND FLOODINGInland Flooding$6,636,996.11
2015-10-032015-10-01EM-3373-SCEmergencySEVERE STORMS AND FLOODINGInland Floodingnone foundsame incident as DR-4241
2014-03-122014-02-10DR-4166-SCMajor disasterSEVERE WINTER STORMIce Storm$110,201.82
2014-02-122014-02-10EM-3369-SCEmergencySEVERE WINTER STORMIce Stormnone foundsame incident as DR-4166
2005-09-102005-08-29EM-3233-SCEmergencyHURRICANE KATRINA EVACUATIONHurricane: evacuation support, not a local hazard event; not counted$21,963.21
2004-10-072004-09-06DR-1566-SCMajor disasterTROPICAL STORM FRANCESHurricanePA not declared for this county
2004-02-132004-01-26DR-1509-SCMajor disasterSEVERE ICE STORMIce Storm$215,172.96
2000-01-312000-01-22DR-1313-SCMajor disasterSEVERE WINTER STORMWinter Weather$42,892.76
1999-09-211999-09-14DR-1299-SCMajor disasterHURRICANE FLOYD MAJOR DISASTER DECLARATIONSHurricane$30,897.77
1999-09-151999-09-14EM-3145-SCEmergencyHURRICANE FLOYD EMERGENCY DECLARATIONSHurricanenone foundsame incident as DR-1299
1977-08-041977-08-04EM-3047-SCEmergencyDROUGHTDroughtnone found

County Public Assistance: applicants the FEMA record places in this county, including any state agencies FEMA files there; statewide rows are listed on the state page; federal share obligated, nominal dollars.

Dollars are nominal (as reported), labeled with the year; not adjusted for inflation.

Statewide declarations

DeclaredIncident beganFEMA numberTypeTitleMapped hazardFlagsNotes
1955-08-201955-08-20DR-44-SCMajor disasterHURRICANESHurricane (primary); also designated: Inland Flooding
1954-10-171954-10-17DR-29-SCMajor disasterHURRICANEHurricane (primary); also designated: Inland Flooding

FEMA recorded these with designated area Statewide and no county. Listed on every county page in the state; not counted with county rows.

Source

FEMA, OpenFEMA DisasterDeclarationsSummaries v2, version 2026-09-27T010817Z, pulled 2026-09-28, https://www.fema.gov/api/open/v2/DisasterDeclarationsSummaries (API)

Previous occurrences by hazard, with explicit no-event rows

HazardStorm Events recordsfull periodSince plan approvalrecordsDuring plan reviewrecordsLast 5 yearsrecordsDeclared incidentsdistinct incidentsDeclared since approvaldistinct incidentsPeriodStatement
Avalanche0001996 to 2026-06-30No recorded events, 1996 to 2026-06-30, NOAA NCEI Storm Events
Coastal Flooding0001996 to 2026-06-30No recorded events, 1996 to 2026-06-30, NOAA NCEI Storm Events
Cold Wave1101996 to 2026-06-30
Drought0011996 to 2026-06-30No Storm Events records of this type; 1 federal declared incident (see declarations table)
Earthquake000No Storm Events record; local data required (e.g., USGS).
Hail3034101955 to 2026-06-30
Heat Wave0001996 to 2026-06-30No recorded events, 1996 to 2026-06-30, NOAA NCEI Storm Events
Hurricane52101996 to 2026-06-30
Ice Storm5121996 to 2026-06-30
Inland Flooding921141996 to 2026-06-30
Landslide0011996 to 2026-06-30No Storm Events records of this type; 1 federal declared incident (see declarations table)
Lightning12201996 to 2026-06-30
Strong Wind82615501955 to 2026-06-30Includes 5 High Wind records and 13 Strong Wind records, event types the NRI definition of this hazard leaves out.
Tornado491111950 to 2026-06-30
Tsunami0001996 to 2026-06-30No recorded events, 1996 to 2026-06-30, NOAA NCEI Storm Events
Volcanic Activity0001996 to 2026-06-30No recorded events, 1996 to 2026-06-30, NOAA NCEI Storm Events
Wildfire0001996 to 2026-06-30No recorded events, 1996 to 2026-06-30, NOAA NCEI Storm Events
Winter Weather21521996 to 2026-06-30

Sources

NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-28, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/

FEMA, OpenFEMA DisasterDeclarationsSummaries v2, version 2026-09-27T010817Z, pulled 2026-09-28, https://www.fema.gov/api/open/v2/DisasterDeclarationsSummaries (API)

NOAA National Weather Service, NWS county-public forecast zones correlation file, version bp03mr20 to bp16ap26 (11 files; newest bp16ap26), pulled 2026-09-28, https://www.weather.gov/gis/ZoneCounty

Notable Storm Events records

DateEvent typeMagnitude or extentDamagenominal dollarsDirect deaths, injuriesindirect not countedLocationFlagsWhy listed
2024-09-27Tropical Storm$16,000,000 property; $4,000,000 crops, reported for the zone (2024 dollars)0, 0NWS zone SCZ027 (LEXINGTON), zone-level: may include parts of neighboring countieswithin last 5 yearsB1-c worst recorded: Hurricane, Tropical Storm, Tropical Depression
2022-12-24Extreme Cold/Wind Chilldamage not reported0, 0NWS zone SCZ027 (LEXINGTON), zone-level: may include parts of neighboring countieswithin last 5 yearsB1-c worst recorded: Cold/Wind Chill, Extreme Cold/Wind Chill
2018-04-15Thunderstorm Wind96 kt (110 mph) estimated gustdamage not reported0, 0PROVIDENCEB1-c worst recorded: Thunderstorm Wind
2015-10-10Flash Flood$5,000,000 property; $1,000,000 crops (2015 dollars)0, 0CLUBHOUSE XRDS to LEXINGTONB1-c worst recorded: Flash Flood, Flood, Lakeshore Flood
2015-06-27Lightning$0 property; $0 crops (2015 dollars)1, 0(CAE)COLUMBIA METROB1-c worst recorded: Lightning
2015-01-04Strong Wind40 kt (46 mph) estimated gust$24,000 property; $0 crops, reported for the zone (2015 dollars)1, 2NWS zone SCZ027 (LEXINGTON), zone-level: may include parts of neighboring countiesdeaths or injuries recorded
2014-11-01Heavy Snow$12,000 property; $0 crops, reported for the zone (2014 dollars)0, 0NWS zone SCZ027 (LEXINGTON), zone-level: may include parts of neighboring countiesB1-c worst recorded: Winter Storm, Heavy Snow, Blizzard, Lake-Effect Snow, Winter Weather, Sleet
2008-10-24High Wind55 kt (63 mph) estimated gust$400,000 property; $20,000 crops, reported for the zone (2008 dollars)0, 0NWS zone SCZ027 (LEXINGTON), zone-level: may include parts of neighboring countiesB1-c worst recorded: High Wind and Strong Wind (outside NRI Strong Wind definition)
2004-06-08Lightningdamage not reported1, 1LEXINGTONdeaths or injuries recorded
1997-07-23TornadoF2, 3.5 mi within this county, 200 yd wide$917,000 property; $25,000 crops (1997 dollars)1, 6GASTONdeaths or injuries recorded
1994-08-16TornadoF3, 8 mi path length (records before 1996 may include the whole path; rating and listing come from the county where the tornado began), 440 yd wide$50,000,000 property; crops not recorded (1994 dollars)0, 40Lexington to Secret CoveB1-c worst recorded: Tornado
1991-03-13Hail2.5 indamage not recorded (pre-1996 record)0, 0location not recordedB1-c worst recorded: Hail

The full list is in the XLSX file, sheet "B1-d Storm Events history" (1,314 rows).

Storm Events records are more complete after 1996; before 1996 only Tornado (from 1950), Hail and Thunderstorm Wind (from 1955) exist. Zone-level records are placed with NWS zone-county files, which exist from 2020 on; an earlier record is placed by its zone number in the nearest later file only when its zone name matches that file, records from zones NWS renumbered are placed by name or left out, and a record whose zone is in no known file is left out of every count, so counts before 2020 can be low. Some current zones are also missing from the NWS files, so recent counts can be low too.

Sources

NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-28, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/

NOAA National Weather Service, NWS county-public forecast zones correlation file, version bp03mr20 to bp16ap26 (11 files; newest bp16ap26), pulled 2026-09-28, https://www.weather.gov/gis/ZoneCounty

FEMA, OpenFEMA HazardMitigationPlanStatuses v1, version 2026-09-26T121003Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/HazardMitigationPlanStatuses (API)

State-declared emergencies are not in federal data. Add them from your state emergency management agency.

Tribal and special-area declarations in this state are listed on the state page.

Supports B1-e: probability

Probability: FEMA annualized frequency and descriptor per hazard

HazardFEMA annualized frequency (modeled)unit per rowUnitIn plain termsDescriptorDescriptor basisNRI events or days in its record period (hail, wind and tornado are area-weighted, so can be fractional)NRI periodLocationNote
Avalancheevents per year1994 to 2023 (30 years)see B1-fNot Applicable in NRI for this county; no descriptor.
Coastal Floodingevents per year at a location (modeled)not shownmodeledsee B1-fNot Applicable in NRI for this county; no descriptor.
Cold Wave0.211event-days per yearabout 0.211 days per yearPossibleevent-days in 1 of 30 years, 1996 to 2025 (3.33%)42005-11-12 to 2024-11-12 (19 years)countywideFrost/Freeze records are not counted in this descriptor: they record crop freezes, not cold waves.
Drought18.6event-days per yearabout 18.6 days per yearevent-days in 0 of 30 years, 1996 to 2025 (0%)7072000 to 2025 (25.25 years; D3 and D4 only)countywideNo recorded event-days, 1996 to 2025; descriptor not assigned
Earthquake0.00327annual probability at a locationchance a given location in the county has at least minor-damage shaking in a year: 0.327%not shownmodeledsee B1-fDescriptor not assigned: the NRI value is the chance at a location in the county, not how often the hazard affects the county, and Storm Events does not record earthquakes.
Hail3.64events per yearabout 3.64 per yearHighly likelyFEMA annualized frequency (modeled)139.5 (modeled)1986 to 2023 (38 years)countywide
Heat Wave4.32event-days per yearabout 4.32 days per yearevent-days in 0 of 30 years, 1996 to 2025 (0%)662005-11-12 to 2024-11-12 (19 years)countywideNo recorded event-days, 1996 to 2025; descriptor not assigned
Hurricane0.17events per yearabout 1 in 6 yearsLikelyFEMA annualized frequency (modeled)621851 to 2024 (Atlantic)see B1-fNRI counts hurricane and tropical storm tracks passing within storm-force wind range; federal declarations are counted separately in B1-d and need not match.
Ice Storm1.47event-days per yearabout 1.47 days per yearLikelyevent-days in 3 of 30 years, 1996 to 2025 (10%)1011946-12-31 to 2014-02-12 (67 years)countywideNRI gives about 1.47 ice storm event-days a year here (its annualized frequency over 67 years; not its event count divided by the years), but Storm Events has a record in only 3 of 30 years. NRI counts from a different source that records far more events than Storm Events, so this descriptor reads much lower than NRI's frequency; read the two together.
Inland Flooding1.43event-days per yearabout 1.43 days per yearLikelyevent-days in 22 of 30 years, 1996 to 2025 (73.3%)401996 to 2023 (28 years)see B1-f
Landslide0.282events per year (modeled)about 1 in 4 yearsLikelyFEMA annualized frequency (modeled)not shownmodeledsee B1-f
Lightning60days per year with a strikeabout 60 days per yearHighly likelyFEMA annualized frequency (modeled)not shown1995 to 2023 (29 years; CONUS)countywide
Strong Wind5.68events per yearabout 5.68 per yearHighly likelyFEMA annualized frequency (modeled)2161986 to 2023 (38 years)countywide
Tornado0.555events per yearabout 0.56 per yearLikelyFEMA annualized frequency (modeled)not shown1950 to 2023 (EF2+); 1986 to 2023 (EF0-1)see B1-f
Tsunamiannual probability at the most exposed location (used in place of a county value)not shownmodeledsee B1-fNot Applicable in NRI for this county; no descriptor.
Volcanic Activityannual probabilitynot shownmodeledsee B1-fNot Applicable in NRI for this county; no descriptor.
Wildfire0.000504annual probability at a locationchance a given location in the county burns in a year: 0.0504%Storm Events records in 0 of 30 years, 1996 to 2025 (0%)not shownmodeledsee B1-fNo Storm Events record of this hazard, 1996 to 2025; descriptor not assigned (the NRI value is the chance at a location in the county, not how often the hazard affects the county)
Winter Weather1.84event-days per yearabout 1.84 days per yearLikelyevent-days in 11 of 30 years, 1996 to 2025 (36.7%)352005-11-12 to 2024-11-12 (19 years)countywideNRI gives about 1.84 winter weather event-days a year here (its annualized frequency over 19 years; not its event count divided by the years), but Storm Events has a record in only 11 of 30 years. NRI counts from a different source that records far more events than Storm Events, so this descriptor reads much lower than NRI's frequency; read the two together.

FEMA annualized frequency (modeled) comes from the National Risk Index v1.20 (December 2025). It is not recorded events divided by years, and what it measures depends on the hazard. For most hazards it estimates how often the hazard affects this county each year: it counts events or event-days (drought, heat wave, cold wave, winter weather, ice storm and inland flooding are in days per year; lightning is the number of days per year with a recorded cloud-to-ground strike, from the NOAA Storm Prediction Center daily lightning climatology); it may count events in the surrounding area (hail, strong wind, tornado, hurricane and ice storm use a 49 km grid and buffers) and is averaged over the county's area; and some hazards use a minimum value for places with no recorded event. Earthquake, wildfire and coastal flooding are different: FEMA computes them for each census block and averages them over the county, so the value is the chance (for coastal flooding, the modeled number of floods per year) at a location in the county, which is lower than the chance that the hazard strikes somewhere in the county. Earthquake is the chance of at least minor-damage shaking (U.S. Geological Survey model); wildfire is the chance that a location burns in a large fire (U.S. Forest Service burn probability); coastal flooding comes from FEMA flood zones and NOAA high-tide flooding, so it can be above 1 where high-tide flooding is frequent. Tsunami is the value at the county's most exposed location, from recorded events and modeled return periods. For these four hazards the packet gives no "1 in N years" and takes the descriptor from Storm Events (none for earthquake) unless the value is 1 or more a year. Landslide is a U.S. Geological Survey modeled county rate spread by slope susceptibility. Volcanic activity is the chance that a volcano affecting the county erupts in a year. Drought counts only extreme and exceptional drought (D3 and D4). Source: FEMA, National Risk Index Technical Documentation v1.20, sections 5.2.2 (Table 5), 5.2.3, 7.4, 10.4, 16.5, 17.1, 17.3.1, 17.5, 20.3.1, 21.4, 22.4 and 6 to 23.

Sources

FEMA, FEMA National Risk Index 1.20.0 (December 2025), county and census tract tables, version 1.20.0, pulled 2026-09-28, https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_Counties.zip (download, 25 MB), https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_CensusTracts.zip (download, 635 MB)

NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-28, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/

Descriptor scale used in this packet (defined per unit)

UnitDescriptorDefinition
events per yearHighly likely1 or more per year
events per yearLikelyabout once in 1 to 10 years
events per yearPossibleabout once in 10 to 100 years
events per yearUnlikelyless than once in 100 years
annual probabilityLikely10% to under 100% chance in a given year
annual probabilityPossible1% to under 10% chance in a given year
annual probabilityUnlikelyunder 1% chance in a given year
event-days (share of years)Highly likelyevent-days recorded in 90% or more of years
event-days (share of years)Likelyevent-days recorded in 10% to under 90% of years
event-days (share of years)Possibleevent-days recorded in some years but under 10% of years
lightning strike-daysHighly likelycloud-to-ground strikes on 1 or more days per year

Sources

FEMA, FEMA National Risk Index 1.20.0 (December 2025), county and census tract tables, version 1.20.0, pulled 2026-09-28, https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_Counties.zip (download, 25 MB), https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_CensusTracts.zip (download, 635 MB)

NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-28, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/

Intensity bands: historical frequency (Storm Events)

HazardBandYearsEventscounty-coded recordsYears in periodEvents per yearevents / years
Hail1.00-1.99 in1996 to 2025107303.57
Hail2.00 in+1996 to 20253300.1
Strong Wind (Thunderstorm Wind records)50-64 kt1996 to 20256163020.5
Strong Wind (Thunderstorm Wind records)65 kt+1996 to 202549301.63
Strong Wind (Thunderstorm Wind records)unmeasured or below 50 kt1996 to 202527300.9
TornadoEF0-11996 to 202525300.833
TornadoEF2-31996 to 20255300.167
TornadoEF4-51996 to 20250300
Tornadounrated (EFU)1996 to 20250300

Hail smaller than 1 inch is not counted: on 2010-01-05 the National Weather Service raised its severe-hail threshold from 3/4 inch to 1 inch, so smaller reports became less common after 2009 (NWS Service Change Notice 09-52). NRI hail frequency uses a 0.75 inch threshold.

Source

NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-28, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/

Optional: future conditions. Not a required item in the 2025 FEMA Local Mitigation Planning Policy Guide; some states ask for it. The federal Climate Mapping for Resilience and Adaptation (CMRA) site gives county exposure to future climate conditions.

Supports B1-f: variation across the planning area

Range of census tract risk within the county

HazardTractsrated of allRisk score minNRI score, 0 to 100MedianMaxTracts by ratingNote
Avalanche0 of 92Not Applicable 92
Coastal Flooding0 of 92Not Applicable 92
Cold Wave92 of 9215.842.461.2Relatively Moderate 23, Relatively Low 68, Very Low 1National data give a county-wide or coarse (49 km grid or NWS zone) frequency for this hazard, so they cannot show members' hazard differing. The tract range above mostly reflects where buildings and people are. Confirm locally.
Drought45 of 9268.279.395.0Relatively Moderate 6, Relatively Low 17, Very Low 22, No Rating 47National data give a county-wide or coarse (49 km grid or NWS zone) frequency for this hazard, so they cannot show members' hazard differing. Agriculture is all of NRI's expected annual loss for this hazard in the county, so the tract range above mostly reflects where crop and livestock value is, not where buildings and people are. Confirm locally.
Earthquake92 of 9231.562.585.9Relatively Moderate 12, Relatively Low 74, Very Low 6
Hail92 of 9230.657.073.4Relatively Moderate 4, Relatively Low 87, Very Low 1National data give a county-wide or coarse (49 km grid or NWS zone) frequency for this hazard, so they cannot show members' hazard differing. The tract range above mostly reflects where buildings and people are. Confirm locally.
Heat Wave92 of 921.754.577.7Relatively Moderate 39, Relatively Low 52, Very Low 1National data give a county-wide or coarse (49 km grid or NWS zone) frequency for this hazard, so they cannot show members' hazard differing. The tract range above mostly reflects where buildings and people are. Confirm locally.
Hurricane92 of 9268.379.887.4Relatively Moderate 57, Relatively Low 35
Ice Storm92 of 9268.285.496.2Relatively High 22, Relatively Moderate 69, Relatively Low 1National data give a county-wide or coarse (49 km grid or NWS zone) frequency for this hazard, so they cannot show members' hazard differing. The tract range above mostly reflects where buildings and people are. Confirm locally.
Inland Flooding92 of 921.436.687.0Relatively High 5, Relatively Moderate 22, Relatively Low 49, Very Low 16
Landslide92 of 9246.377.192.7Relatively Low 28, Very Low 64
Lightning92 of 924.360.984.9Relatively High 6, Relatively Moderate 74, Relatively Low 11, Very Low 1National data give a county-wide or coarse (49 km grid or NWS zone) frequency for this hazard, so they cannot show members' hazard differing. The tract range above mostly reflects where buildings and people are. Confirm locally.
Strong Wind92 of 9213.266.584.0Relatively High 1, Relatively Moderate 83, Relatively Low 7, Very Low 1National data give a county-wide or coarse (49 km grid or NWS zone) frequency for this hazard, so they cannot show members' hazard differing. The tract range above mostly reflects where buildings and people are. Confirm locally.
Tornado92 of 9241.179.796.7Very High 4, Relatively High 58, Relatively Moderate 29, Relatively Low 1
Tsunami0 of 92Not Applicable 92
Volcanic Activity0 of 92Not Applicable 92
Wildfire92 of 9222.874.787.8Relatively Low 57, Very Low 35
Winter Weather92 of 9218.145.263.8Relatively Moderate 29, Relatively Low 62, Very Low 1National data give a county-wide or coarse (49 km grid or NWS zone) frequency for this hazard, so they cannot show members' hazard differing. The tract range above mostly reflects where buildings and people are. Confirm locally.

Rated tracts only: No Rating (score 0.0), Not Applicable and Insufficient Data tracts are counted but not used for the minimum, median and maximum.

Source

FEMA, FEMA National Risk Index 1.20.0 (December 2025), county and census tract tables, version 1.20.0, pulled 2026-09-28, https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_Counties.zip (download, 25 MB), https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_CensusTracts.zip (download, 635 MB)

Per-member block (Starter, confirm locally)

MemberTypePlan statusRepetitive lossFMA RL and SRL (44 CFR 77.2); repeat-flood, any definitionPublic Assistance matchedfederal share obligated, nominal dollarsEvent records naming this placeall years; since the member's planNotes
Lexington County (unincorporated area)UnincorporatedPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleFMA RL 2, SRL 1; any 21$2,715,178.200; no approved planIncludes $61,993.97 for declarations not counted as hazard incidents (DR-4492-SC, EM-3233-SC).
Batesburg-Leesville townTownPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleFMA RL 0, SRL 0; any 1$223,535.860; no approved planWhole community, including the part in Saluda County; none of its repeat-flood properties are in this county.
Cayce cityCityPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleFMA RL 0, SRL 0; any 3$1,846,802.9624; no approved planIncludes $9,957.25 for declarations not counted as hazard incidents (DR-4492-SC, EM-3233-SC).
Chapin townTownPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleFMA RL 0, SRL 0; any 0$77,351.1869; no approved plan
Gaston townTownPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleFMA RL 0, SRL 0; any 0none found42; no approved plan
Gilbert townTownPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleFMA RL 0, SRL 0; any 0none found57; no approved plan
Irmo townTownPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleFMA RL 0, SRL 0; any 3$93,213.45107; no approved planWhole community, including the part in Richland County; in-county portion (county table): FMA RL 0, FMA SRL 0, NFIP RL 1, NFIP SRL 0, any category 1.
Lexington townTownPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleFMA RL 0, SRL 0; any 0$2,628,083.69150; no approved plan
Pelion townTownPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleFMA RL 0, SRL 0; any 0$12,581.3049; no approved plan
Pine Ridge townTownApproved, expires 2031-08-30FMA RL 0, SRL 0; any 0none found0; not yet covered
South Congaree townTownApproved, expires 2031-08-30FMA RL 0, SRL 0; any 0$1,783.1413; not yet covered
Springdale townTownPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleFMA RL 0, SRL 0; any 1$3,166.0522; no approved plan
Summit townTownPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleFMA RL 0, SRL 0; any 0none found7; no approved plan
Swansea townTownPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleFMA RL 0, SRL 0; any 0none found44; no approved plan
West Columbia cityCityPlan 112208 approved 2026-08-31, pending adoption here; not yet eligibleFMA RL 0, SRL 0; any 0$2,227,852.3117; no approved planIncludes $30,557.55 for declarations not counted as hazard incidents (DR-4492-SC).

Member rows are whole NFIP communities and need not add up to the county total: a community that extends into another county is counted in full on each member row, while the county table counts only its part in this county.

School districts and special districts get a plan clock row only.

Sources

FEMA, OpenFEMA HazardMitigationPlanStatuses v1, version 2026-09-26T121003Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/HazardMitigationPlanStatuses (API)

FEMA, OpenFEMA NfipMultipleLossProperties v1, version 2026-08-04T164045Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/NfipMultipleLossProperties (API)

FEMA, OpenFEMA PublicAssistanceFundedProjectsSummaries v1, version 2026-09-26T151157Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/PublicAssistanceFundedProjectsSummaries (API)

NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-28, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/

Supports B2-a and B2-b: assets and impacts

Local data required

County-level starter. The plan must describe impacts for each participant and its own assets.

Plan 112208 was approved by FEMA on 2026-08-31 but is not yet adopted here, so no since-plan counts are given.

  • Critical facilities and lifelines per hazard
  • A problem statement per participant per hazard
  • Changes in development in hazard-prone areas since the last approval, or a statement of none (E1-a)
  • Future assets

County-level starter: exposure, expected annual loss and damage since the plan

HazardBuilding exposuremodeled dollarsAgriculture exposuremodeled dollarsPopulation exposedpeopleEAL buildingsmodeled dollars per yearEAL agriculturemodeled dollars per yearEAL population equivalencestatistical value of life and injury, $13.7M per life, not property damageEAL as % of exposurebuildings; agriculture where notedStorm Events damage since plancounty-coded records, property plus crops, nominal dollarsZone-level damage since planproperty plus crops, reported for the zonePublic Assistance since plannominal dollars; see noteNote
AvalancheNot Applicable in NRI for this county
Coastal FloodingNot Applicable in NRI for this county
Cold Wave$63,403,691,506$286,081,669293,888$9,348$56,083$3,543,538under 0.0001%
Drought$83,813,436$397,7970.475% (agriculture)NRI has no building exposure for this hazard; agriculture shown
Earthquake$106,265,974,223293,991$5,679,897$1,907,7540.00534%
Hail$63,403,691,506$286,081,669293,888$416,170$60,710$560,0450.000656%
Heat Wave$63,403,691,506$286,081,669293,888$185$336$4,286,135under 0.0001%
Hurricane$63,397,093,639$285,875,376293,858$11,069,034$1,417,260$514,9780.0175%
Ice Storm$63,398,816,316293,850$2,007,296$425,9490.00317%
Inland Flooding$63,255,540,357$3,810,0555,985$46,383,580$94,104$436,343n/a (see note)NRI counts the full building value of any census block with some flood loss; this is not the value of buildings in the floodplain. Use local FIRM overlays for B2-a/B2-b. EAL as % of exposure: n/a.
Landslide$725,394,2993,187$11,174$360.00154%
Lightning$63,403,691,506293,888$146,088$1,428,6180.00023%
Strong Wind$63,403,691,506$286,081,669293,888$347,338$14,917$2,553,1660.000548%
Tornado$63,403,691,506$286,081,669293,888$7,604,125$10,823$16,277,7270.012%
TsunamiNot Applicable in NRI for this county
Volcanic ActivityNot Applicable in NRI for this county
Wildfire$10,380,694,375$80,571,61861,796$263,046$374$37,5280.00253%
Winter Weather$63,403,691,506$286,081,669293,888$34,641$285$166,988under 0.0001%

Totals since the plan: not available. Plan 112208 was approved by FEMA on 2026-08-31 but is not yet adopted here, so no since-plan counts are given.

Total = buildings + agriculture + population equivalence; FEMA values each expected death (or 10 injuries) at $13.7 million (2024 dollars).

FEMA does not split Public Assistance by hazard. A declaration mapped to several hazards is listed under each of them with its full amount, so the per-hazard column must not be added up; the unit total counts each declaration once.

Dollars are nominal (as reported), labeled with the year; not adjusted for inflation.

Sources

FEMA, FEMA National Risk Index 1.20.0 (December 2025), county and census tract tables, version 1.20.0, pulled 2026-09-28, https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_Counties.zip (download, 25 MB), https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_CensusTracts.zip (download, 635 MB)

NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-28, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/

NOAA National Weather Service, NWS county-public forecast zones correlation file, version bp03mr20 to bp16ap26 (11 files; newest bp16ap26), pulled 2026-09-28, https://www.weather.gov/gis/ZoneCounty

FEMA, OpenFEMA DisasterDeclarationsSummaries v2, version 2026-09-27T010817Z, pulled 2026-09-28, https://www.fema.gov/api/open/v2/DisasterDeclarationsSummaries (API)

FEMA, OpenFEMA PublicAssistanceFundedProjectsSummaries v1, version 2026-09-26T151157Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/PublicAssistanceFundedProjectsSummaries (API)

FEMA, OpenFEMA HazardMitigationPlanStatuses v1, version 2026-09-26T121003Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/HazardMitigationPlanStatuses (API)

Supports B2-a: context

County context

MeasureValue
Population293,888
Building value (total, not at risk)$63,403,691,506
Agriculture value (total, not at risk)$286,081,669
NRI risk rating (all hazards)Relatively Moderate
Expected annual loss, buildings and agriculture, all hazards$76,024,611
Expected annual loss, population equivalence, all hazards (NRI values each statistical life at $13.7M; a modeled value of expected deaths and injuries, not property damage)$32,138,806
Social vulnerability ratingRelatively Low
Community resilience ratingRelatively Moderate
NRI versionDecember 2025

FEMA's all-hazard expected annual loss total adds buildings, agriculture and population equivalence; the two parts are shown separately so the property figure is not read as including the statistical value of life.

Source

FEMA, FEMA National Risk Index 1.20.0 (December 2025), county and census tract tables, version 1.20.0, pulled 2026-09-28, https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_Counties.zip (download, 25 MB), https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_CensusTracts.zip (download, 635 MB)

Supports B2-c: repetitive loss

Repetitive loss in this county, both definitions

DefinitionPropertiesSevere repetitive lossProperties
Repetitive loss, FMA definition (44 CFR 77.2)2Severe repetitive loss, FMA definition (44 CFR 77.2)1
Repetitive loss, NFIP insurance definition27Severe repetitive loss, NFIP insurance definition1

Your state NFIP coordinator's list may use the NFIP insurance definition, so its counts can be higher.

Repeat-flood properties: county and state-level rows

ScopeRL, FMApropertiesSRL, FMApropertiesRL, NFIPpropertiesSRL, NFIPpropertiesAny categorypropertiesMitigatedpropertiesCurrently insuredproperties
County total2127127012
LEXINGTON COUNTY *2121121011
CAYCE, CITY OF0030300
IRMO, TOWN OF0010100
SPRINGDALE, TOWN OF0010101
COLUMBIA, CITY OF (plan member listed on the Richland County page)0010100
State level, not in this county: county not reported0020200

1 of the county's repeat-flood properties belong to NFIP communities whose plan member is not listed on this page (the community rows above name the page that lists it).

Repeat-flood properties by plan member (NFIP community)

MemberNFIP community IDRL, FMApropertiesSRL, FMApropertiesRL, NFIPpropertiesSRL, NFIPpropertiesAny categorypropertiesMitigatedpropertiesCurrently insuredpropertiesNote
Lexington County (unincorporated area)4501292121121011
Batesburg-Leesville town4501300010100Whole community, including the part in Saluda County; none of its repeat-flood properties are in this county.
Cayce city4501310030300
Chapin town4502360000000
Gaston town4502600000000
Gilbert town4501320000000
Irmo town4501330030300Whole community, including the part in Richland County; in-county portion (county table): FMA RL 0, FMA SRL 0, NFIP RL 1, NFIP SRL 0, any category 1.
Lexington town4501340000000
Pelion town4501350000000
Pine Ridge town4501360000000
South Congaree town4501370000000
Springdale town4501380010101
Summit town4502610000000
Swansea town4501390000000
West Columbia city4501400000000

Per-member types: XLSX sheet 'B2-c Members'.

Member rows are whole NFIP communities and need not add up to the county total: a community that extends into another county is counted in full on each member row, while the county table counts only its part in this county.

County repeat-flood properties by occupancy group

Occupancy groupRL, FMApropertiesSRL, FMApropertiesRL, NFIPpropertiesSRL, NFIPpropertiesAny categorypropertiesMitigatedpropertiesCurrently insuredproperties
single-family residential2125125012
2 to 4 unit residential0000000
other residential0000000
non-residential0020200
not reported0000000

Institutional properties cannot be separated in this data: FEMA's occupancy groups have no institutional class, so they fall in non-residential or other residential in the table by occupancy group.

FMA RL and FMA SRL are the Flood Mitigation Assistance definitions (44 CFR 77.2), the ones the FEMA Local Mitigation Planning Policy Guide cites; OpenFEMA's fmaRl field description omits the Increased Cost of Compliance clause of 44 CFR 77.2(i). NFIP repetitive loss (FEMA insurance definition, nfipRl) is 2 or more claims over $1,000 in 10 years and can drop to false when a property is mitigated. Also shown: NFIP severe repetitive loss, any category, mitigated and currently insured.

Your state NFIP coordinator's list may use the NFIP insurance definition, so its counts can be higher.

Counts are aggregates of FEMA's public NFIP Multiple Loss Properties file (as of 2026-08-02). No property is identified. County assignment is FEMA's geocode.

Counts may differ from your state NFIP coordinator's list, which is the source the Handbook names.

In this county 0 properties are FMA repetitive loss but not NFIP repetitive loss, and 25 properties are NFIP repetitive loss but not FMA repetitive loss.

Exact counts; no count suppression.

Sources

Every table above lists its own sources. The full list, for the plan's bibliography (FEMA review item A4-a):

  1. FEMA, OpenFEMA HazardMitigationPlanStatuses v1, version 2026-09-26T121003Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/HazardMitigationPlanStatuses (API)
  2. FEMA, OpenFEMA DisasterDeclarationsSummaries v2, version 2026-09-27T010817Z, pulled 2026-09-28, https://www.fema.gov/api/open/v2/DisasterDeclarationsSummaries (API)
  3. FEMA, OpenFEMA PublicAssistanceFundedProjectsSummaries v1, version 2026-09-26T151157Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/PublicAssistanceFundedProjectsSummaries (API)
  4. FEMA, OpenFEMA NfipMultipleLossProperties v1, version 2026-08-04T164045Z, pulled 2026-09-28, https://www.fema.gov/api/open/v1/NfipMultipleLossProperties (API)
  5. FEMA, FEMA National Risk Index 1.20.0 (December 2025), county and census tract tables, version 1.20.0, pulled 2026-09-28, https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_Counties.zip (download, 25 MB), https://www.fema.gov/about/reports-and-data/openfema/nri/v120/NRI_Table_CensusTracts.zip (download, 635 MB)
  6. NOAA NCEI, NOAA NCEI Storm Events Database, details files (csvfiles v1.0), version c20260918, pulled 2026-09-28, https://www.ncei.noaa.gov/pub/data/swdi/stormevents/csvfiles/
  7. NOAA National Weather Service, NWS county-public forecast zones correlation file, version bp03mr20 to bp16ap26 (11 files; newest bp16ap26), pulled 2026-09-28, https://www.weather.gov/gis/ZoneCounty
  8. U.S. Census Bureau, Census 2024 Gazetteer, 2020 place by county, CT county-to-cousub crosswalk, version 2024-gazetteer, pulled 2026-09-28, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_counties_national.zip, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_cousubs_national.zip, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_place_national.zip, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_unsd_national.zip, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_elsd_national.zip, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/2024_Gaz_scsd_national.zip, https://www2.census.gov/geo/docs/reference/codes2020/national_place_by_county2020.txt, https://www2.census.gov/geo/docs/reference/ct_change/ct_cou_to_cousub_crosswalk.xlsx

OpenFEMA disclaimer

This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

Hazard Plain is an independent product built from public federal data. It is not a FEMA document and is not reviewed or endorsed by FEMA or any state agency.

Reuse, citation and corrections

Reuse and citation: Hazard Plain text and tables are licensed under Creative Commons Attribution 4.0 International (CC BY 4.0, https://creativecommons.org/licenses/by/4.0/); credit Hazard Plain and the release. The underlying federal data are public domain; OpenFEMA data are also subject to the OpenFEMA terms and conditions.

Cite this: Hazard Plain (2026). Lexington County, SC: risk-assessment baseline packet, release 2026-10 (data as of 2026-09-28; County area 45063). Preview: automated baseline. Built from FEMA OpenFEMA, the FEMA National Risk Index and NOAA NCEI Storm Events; source versions in the packet's Sources list.

Corrections: to report an error, name the packet, the table and what your records show. Contact: to be added

Hazard Plain release 2026-10. As of 2026-09-28; Storm Events data through 2026-06-30. File hazard-plain_2026-10_SC_45063. Preview: automated baseline.