Enter any address in Oliver County, North Dakota to see its FEMA flood zone
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| SEVERE STORM, TORNADOES, AND STRAIGHT-LINE WINDS | Severe Storm | 2025-06-20 |
| SEVERE WINTER STORM AND FLOODING | Severe Storm | 2022-04-22 |
| COVID-19 PANDEMIC | Biological | 2020-01-20 |
| COVID-19 | Biological | 2020-01-20 |
| FLOODING | Flood | 2011-04-05 |
| SEVERE WINTER STORM | Severe Storm | 2010-04-01 |
| SEVERE WINTER STORM | Severe Storm | 2010-01-20 |
| SEVERE STORMS AND FLOODING | Severe Storm | 2009-03-13 |
| SEVERE WINTER STORM AND RECORD AND/OR NEAR RECORD SNOW | Snowstorm | 2005-10-04 |
| HURRICANE KATRINA EVACUATION | Coastal Storm | 2005-08-29 |
FEMA assigns flood zone designations to areas in Oliver County, North 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 Oliver County, North 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. Over 20% of NFIP claims come from low and moderate-risk areas.
Visit FloodSmart.gov to find an agent and get a quote.