FEMA flood zones · Minnesota

Wabasha County, Minnesota Flood Zone Map

162 flood insurance claims·$3.3M paid·9 federal flood & hurricane disasters

12% of Wabasha County’s area is in FEMA’s high-risk flood zones.

Share of the whole county outline, rivers and lakes included; parts FEMA hasn’t mapped count as zero.

Coastal high risk (V, VE)FloodwayHigh risk (A, AE)Moderate (X, 500-year)Minimal (X)Undetermined (D)

Shaded areas are FEMA’s mapped flood hazard zones in and around Wabasha County, Minnesota. Zoomed out they are simplified; at street level the map switches to FEMA’s exact layer. Tap anywhere to check that spot, or search an address above.

How Wabasha County floods

River overflow along the Mississippi and other regional river basins dominates the flood profile of Wabasha County, supported by 62 recorded flood events compared to 19 flash flood events over the last 30 years. Recent impacts are demonstrated by events in June and July 2024, when above-normal monthly rainfall combined with multi-day totals exceeding 7 inches caused the Mississippi River and other basins to enter flood stage, with high water persisting into July and reaching minor to moderate flood stages near Wabasha and Lake City.

National Flood Insurance Program records indicate that properties situated in designated Special Flood Hazard Areas bear the heaviest burden, led by Zone A with 113 claims averaging $28,928 and an average recorded water depth of 6 inches. Residents and property owners in Zone X also face risk, accounting for 30 claims with an average payout of $20,052 and an average recorded water depth of 3 inches, while smaller numbers of claims occurred in shaded Zone X, unknown zones, and unshaded Zone X. Consequently, homeowners, real estate agents, and journalists should pay the closest attention to properties near the Mississippi River and other mapped riverine flood zones.

Summary written from NOAA storm reports and NFIP claims for this county. Not a prediction.

Where the flood claims came from

7% of Wabasha County’s flood insurance claims were on properties rated outside FEMA’s high-risk zones.

121 NFIP claims with a recorded rated flood zone, 1978 to date. The zone is the one FEMA used to rate that policy, which may not match today’s map. Source: OpenFEMA NFIP claims.

How deep the water got

outlet80″ door12″24″36″48″60″72″84″

In flood insurance claims here that reported a flood depth, the average was 6 inches.

Drawn to scale against an 80-inch door. Even a few inches soaks flooring, the bottom of the drywall and anything plugged in near the floor.

Average of the depths reported on claims (zero and implausible values left out); FEMA’s record doesn’t say exactly where each depth was measured. Source: OpenFEMA NFIP claims.

Flood claims, year by year

The worst year was 2010, with 36 claims and $2.3M paid, the year of Severe Storms and Flooding.

1978: 9 claims1979: 1 claims1986: 7 claims1993: 9 claims1996: 1 claims1997: 27 claims1998: 3 claims2001: 29 claims2007: 3 claims2010: 36 claims2011: 15 claims2012: 1 claims2019: 13 claims2023: 6 claims2024: 2 claims19801990200020102020

Bar height is scaled by square root so ordinary years stay visible next to the worst one. NFIP claims by year of loss. Source: OpenFEMA.

In their words

33 NOAA storm reports from Wabasha County describe what happened, in the words of the forecasters who covered it. Read the Minnesota flood stories →

Federal disasters

17 federal disaster declarations since 1965, 9 of them floods, coastal storms or hurricanes.

DisasterBegan
Severe Storms And FloodingJun 16, 2024
Severe Storms And FloodingApr 11, 2023
Severe Winter Storm, Straight-line Winds, And FloodingMar 12, 2019
Severe Storms And FloodingSep 22, 2010
Severe Storms And FloodingAug 18, 2007
Hurricane Katrina EvacuationAug 29, 2005
Severe Winter Storms, Flooding, And TornadoesMar 23, 2001
Severe Storms, Straight Line Winds, And TornadoesMay 15, 1998

Weather and water disasters only; most recent first. Source: OpenFEMA Disaster Declarations.

Recorded flood events

81 since 1996: 19 flash floods and 62 river or area floods.

EventDateDamage
Flash FloodJul 31, 2024—
FloodJun 27, 2024—
FloodJun 21, 2024—
FloodJul 1, 2024—
FloodApr 16, 2023—
FloodApr 14, 2023—
FloodMay 1, 2023—
Flash FloodJul 6, 2021$2,000

— = no damage estimate in the record. Source: NOAA Storm Events Database.

From the storm reports

Flash Flood · Jul 31, 2024. On the evening of July 31st, a cluster of severe storms brought large hail, wind damage and heavy rainfall to portions of southeast Minnesota. In some areas, heavy rainfall totals led to flooding of various roads and low-lying areas in residential communities.

Flood · Jun 27, 2024. Well above average rainfall throughout June in conjunction with late-month heavy rainfall contributed to additional rises into flood stage along the Mississippi River. The river gauge at Lake City reached minor flood stage before the end of the month and remained in flood stage into July.

Flood · Jun 21, 2024. Above normal rainfall over the course of June, combined with a robust rainfall event between June 20th and 22nd, led to widespread river flooding across portions of southeast Minnesota. Rainfall amounts upwards of 7 inches between the 20th and 22nd allowed the Mississippi River, Cedar River and many other river basins in southeast Minnesota to enter flood stage towards the end of June. Flooding along the Mississip…

Flood · Jul 1, 2024. Heavy rainfall throughout June led to many locations along the Mississippi River in Southeast Minnesota to enter flood stage which persisted into July. During the first week of July many points along the Mississippi River south of Wabasha observed their maximum river stage in minor to moderate flooding. As relatively drier conditions took hold over the first half of July, river stages fell below flood stage into t…

National Weather Service narratives, lightly trimmed. Source: NOAA Storm Events Database.

The zones you’ll see on the map

Every colour on the map above is a place on this drawing: where the ground sits relative to the flood FEMA plans for.

Cross-section of a river floodplainDiagram: a river valley. The floodway is the channel and the land beside it; the 1%-annual-chance flood surface (the base flood elevation) covers the valley floor as zone A or AE; a narrow band higher up is shaded X, the 0.2% floodplain; higher ground is X.0.2% CHANCE A YEAR (500-YEAR)BASE FLOOD ELEVATION · 1% A YEARXAEFloodwayAEX
  1. A / AE Inside the 1%-a-year floodplain: about a 26% chance of flooding over a 30-year mortgage. AE has a mapped base flood elevation; plain A does not.
  2. Floodway The channel and the land beside it that has to be kept clear enough to carry the flood. Building here is tightly limited.
  3. X shaded The 0.2% (500-year) floodplain, plus some levee-protected and very shallow flood areas.
  4. X Outside both lines. No federal requirement to insure, which is not the same as no risk.

Every flood zone code explained →

Flood insurance in Wabasha County

If a building in Wabasha County is in a high-risk zone (A or V) and its mortgage comes from a federally regulated or insured lender, or is federally backed, flood insurance is required.

Outside those zones it is optional, and often worth having: from 2014 to 2024 nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area. Since Risk Rating 2.0, NFIP premiums are set for each building, so the only reliable price is a quote: FloodSmart.gov or a local agent.