Enter any address in Bennett County, South Dakota to see its FEMA flood zone
2 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Bennett County, South Dakota has recorded 12 flood-related events since 1996 according to NOAA's Storm Events Database, including 5 flash floods and 7 river or area floods. The county has received 15 federal disaster declarations, 5 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1976–2024)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Storms, Straight-line Winds, And Flooding | Flood | Jun 16, 2024 |
| Severe Winter Storms And Snowstorm | Winter Storm | Dec 12, 2022 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms And Flooding | Flood | May 21, 2019 |
| Severe Winter Storm, Snowstorm, And Flooding | Flood | Mar 13, 2019 |
| Severe Storms, Tornado, And Flooding | Severe Storm | May 24, 2013 |
| Severe Winter Storm And Record And Near Record Snow | Snowstorm | Nov 5, 2008 |
| Severe Winter Storm And Record And Near Record Snow | Snowstorm | May 1, 2008 |
| Severe Winter Storm | Severe Storm | Apr 18, 2006 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | May 22, 2019 | 750.00K |
| Flood | Mar 22, 2019 | 500.00K |
| Flood | Jul 16, 2019 | 15.00K |
| Flash Flood | Aug 11, 2019 | 0.00K |
| Flood | Jul 3, 2019 | 80.00K |
| Flash Flood | Jul 4, 2015 | 2.00K |
| Flood | May 23, 2008 | 0.00K |
| Flood | Jun 5, 2008 | 0.00K |
| Flash Flood | Jul 19, 1997 | — |
| Flash Flood | Jun 2, 1997 | — |
Flood — May 22, 2019
A powerful storm system slowly moved from the Four Corners region northeastward through the Plains, leading to a prolonged period of precipitation across western South Dakota May 20-22. This three day period was among the coldest, wettest, and snowiest on record for late May, with several temperature and precipitation records set. Runoff from the rain and melting snow led to flooding of creeks,...
Flood — Mar 22, 2019
Runoff from snowmelt and ice jams caused flooding along many creeks and rivers across south central South Dakota.
Flood — Jul 16, 2019
Runoff from heavy rainfall caused flooding across parts of Bennett County.
Flash Flood — Aug 11, 2019
A severe thunderstorm stalled over east central Oglala Lakota County, producing locally large hail and very heavy rainfall. Runoff from three to five inches of rain caused flash flooding across parts of eastern Oglala Lakota County into western Bennett County.
Flood — Jul 3, 2019
A large, long-lived supercell thunderstorm developed over Oglala Lakota County and tracked slowly eastward across southern South Dakota through the late afternoon and early evening. The storm produced a large swath of large hail and strong winds, eventually producing mostly strong winds as it moved across far south central South Dakota. Brief tornado touchdowns were reported over Bennett County...
Source: NOAA National Weather Service Storm Events Database.
FEMA assigns flood zone designations to areas in Bennett County, South Dakota:
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 Bennett County, South Dakota 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.