Enter any address in Clarendon County, South Carolina to see its FEMA flood zone
Flash flooding events have been the most frequent type of flood recorded in Clarendon County over the past 30 years, with 19 occurrences. Tropical Storms have also impacted the area, with 6 events noted in the same period. Recent events include flash flooding associated with Tropical Storm Debby in August 2024, and flooding from Hurricane Idalia in August 2023.
National Flood Insurance Program (NFIP) claims data shows that properties in Zone A have experienced the highest average water depth at 18.8 feet and an average payout of $14,632. Properties in Zone X have also seen claims, with an average water depth of 1.3 feet and an average payout of $13,613. Homeowners in Zone A, and those in Zone X or with unknown flood zone designations, should pay close attention to flood risk information.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
7 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Clarendon County, South Carolina has recorded 25 flood-related events since 1996 according to NOAA's Storm Events Database, including 19 flash floods. The county has received 26 federal disaster declarations, 1 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1989–2026)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Winter Storm | Winter Storm | Jan 21, 2026 |
| Hurricane Helene | Tropical Storm | Sep 25, 2024 |
| Hurricane Debby | Tropical Storm | Aug 4, 2024 |
| Hurricane Idalia | Hurricane | Aug 29, 2023 |
| Hurricane Ian | Hurricane | Sep 25, 2022 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Hurricane Dorian | Hurricane | Aug 31, 2019 |
| Hurricane Florence | Hurricane | Sep 8, 2018 |
| Hurricane Irma | Hurricane | Sep 6, 2017 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Tropical Storm | Sep 27, 2024 | 200.00K |
| Flash Flood | Aug 7, 2024 | 0.00K |
| Flash Flood | Aug 30, 2023 | 20.00K |
| Tropical Storm | Aug 30, 2023 | — |
| Tropical Storm | Sep 30, 2022 | — |
| Tropical Storm | Sep 5, 2019 | — |
| Tropical Storm | Oct 11, 2018 | — |
| Flash Flood | Oct 8, 2016 | 5.00K |
| Flash Flood | Sep 2, 2016 | 1.00K |
| Flash Flood | Oct 10, 2015 | 500.00K |
Tropical Storm — Sep 27, 2024
Tropical Storm Helene formed in the NW Caribbean Sea on September 24. Helene moved northward into the Gulf of Mexico where it strengthened into a hurricane on September 25. Helene made landfall as a major hurricane in the Big Bend area of Florida the night of September 26 before quickly moving inland into east central Georgia by early morning on September 27. Helene weakened to a strong tropica...
Flash Flood — Aug 7, 2024
Heavy rainfall associated with Tropical Storm Debby occurred across South Carolina for several days resulting in areas of flash flooding. There was also an isolated severe thunderstorm on the 6th.
Flash Flood — Aug 30, 2023
Lifting up out of the Big Bend of Florida, Hurricane Idalia weakened to a Tropical Storm as it moved out of southeastern Georgia. The tropical system then moved northeast along the coastal plain of South Carolina. This system produced scattered tree damage, some flooding and one confirmed tornado.
Tropical Storm — Aug 30, 2023
Lifting up out of the Big Bend of Florida, Hurricane Idalia weakened to a Tropical Storm as it moved out of southeastern Georgia. The tropical system then moved northeast along the coastal plain of South Carolina. This system produced scattered tree damage, some flooding and one confirmed tornado.
Tropical Storm — Sep 30, 2022
Ian first formed as Tropical Depression Nine in the Caribbean Sea on September 23,|2022. It moved west and northwest into the Western Caribbean and strengthened|into a hurricane. The cyclone turned to the north and crossed over the western tip|of Cuba on September 27th.||Ian strengthened into a major hurricane and moved NNE across the SE Gulf of Mexico,|and intensified into a high end categor...
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Clarendon County, South Carolina:
AE High Risk — 1% annual chance of flooding. Insurance required.
VE Very High Risk — Coastal flooding with wave action.
X (Shaded) Moderate Risk — 500-year floodplain.
X Low Risk — Outside major floodplains.
Properties in Clarendon County, South Carolina that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.
Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.
Visit FloodSmart.gov to find an agent and get a quote.