County Hazards

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Flood in Sumter County, Georgia

14 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.

14 events · 0 deaths recorded · peak month March · county share of state 0.4%

2020-03-04: Flood2017-06-07: Flood2015-09-22: Flood2009-12-14: Flood2009-12-14: Flood
Flood event locations in and around Sumter County. Dots: Flood event locations in the kept record. Boundaries: US Census Bureau.

NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.

Sumter County, Georgia, has 14 flood events in the NCEI record since 1950, with at least one in 9 different years.

March is the busiest month, with 5 of the recorded events. The last 20 years account for 5 events against 9 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 0.4% of the 3,250 flood events recorded in Georgia; its 2.9 per 100 square miles compares with 5.6 statewide.

Compared with Georgia

MeasureSumter CountyGeorgiaUS
Flood events since 1950143,250183,559
Per 100 square miles2.95.65.2
Per 10,000 residents4.83.05.5
Deaths recorded0182,961
Busiest monthMarchMarchJune

By year

195019882026
Flood events recorded in Sumter County per year, 1950 to 2026 (2026 is partial).

Seasonality

Jan
0
Feb
0
Mar
5
Apr
0
May
1
Jun
2
Jul
1
Aug
0
Sep
3
Oct
0
Nov
0
Dec
2
Flood events in Sumter County by month of occurrence, all years.

Recorded events

All 14 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
4 Mar 2020Flash Flood—————County
7 Jun 2017Flash Flood—$12K———County
22 Sep 2015Flash Flood—$80K———County
14 Dec 2009Flash Flood—$10K———County
14 Dec 2009Flood—$3K———County
11 Jul 2005Flood—$25K———Forecast zone
27 Mar 2005Flood—————Forecast zone
27 Mar 2005Flash Flood—$500K———County
6 Sep 2004Flood—————Forecast zone
22 May 2003Flash Flood—$5K———County
3 Sep 2001Flood—————County
30 Jun 2001Flash Flood—$100K———County
3 Mar 2001Flood—————Forecast zone
8 Mar 1998Flood—$25K———Forecast zone

Questions and answers

How many flood events has Sumter County had?

14 events in the NCEI Storm Events record between 1950 and 2026. Reporting of floods and flash floods became far more complete after 1996, so early decades undercount.

When was the last recorded flood event in Sumter County?

4 Mar 2020 (Flash Flood). Records reach NCEI about 120 days after the month ends.

What was the most damaging flood event recorded in Sumter County?

The flash flood of 27 Mar 2005, with property damage estimated by NCEI at $500K.

How does Sumter County compare with Georgia for flood?

2.9 events per 100 square miles against 5.6 statewide; the county holds 14 of the state's 3,250 recorded events.

Provenance

NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Flood hub and the county page.