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Mille Lacs County, Minnesota Flood Zones

Check an Address in Mille Lacs County

Enter any address in Mille Lacs County, Minnesota to see its FEMA flood zone

Read First-Hand Flood Stories from Mille Lacs County

4 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.

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Flood Risk Data for Mille Lacs County

Mille Lacs County, Minnesota has recorded 13 flood-related events since 1996 according to NOAA's Storm Events Database, including 9 flash floods and 4 river or area floods. The county has received 10 federal disaster declarations, 5 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Mille Lacs County Disaster History

FEMA Disaster Declarations (1965–2023)

Disaster Declarations
10
Flood/Coastal Disasters
5
Latest Disaster
Severe Storms And Flooding (2023-04-11)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Mille Lacs County

DeclarationTypeDate
Severe Storms And FloodingFloodApr 11, 2023
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Severe Storms, Flooding, And TornadoesSevere StormJul 1, 2011
Hurricane Katrina EvacuationHurricaneAug 29, 2005
Severe Winter Storms, Flooding, And TornadoesFloodMar 23, 2001
DroughtDroughtJun 17, 1976
Severe Storms & FloodingFloodAug 1, 1972
FloodingFloodApr 18, 1969
FloodingFloodApr 11, 1965

Recorded Flood Events in Mille Lacs County

NOAA Storm Events Database (1996–2025)

Total Flood Events
13
River/Area Floods
4
Flash Floods
9
Total Property Damage
$340,100

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Mille Lacs County

TypeDateDamage
Flash FloodAug 29, 20160.00K
Flash FloodJul 11, 20160.00K
Flash FloodAug 16, 20115.00K
Flash FloodJun 29, 2005.1K
FloodOct 4, 2005
Flash FloodOct 4, 2005
Flash FloodJul 10, 200225K
Flash FloodJul 8, 2002
Flash FloodApr 22, 2001300K
Flash FloodJun 13, 200110K

Mille Lacs County Flood History

Flash Flood — Aug 29, 2016

The late afternoon of Monday, August 29th, a line of thunderstorms developed in central Minnesota, north of Mora. These storms slowly moved southward across Mille Lacs County and trained from west to east during the evening. Rainfall rates were nearly 1-2 inches per hour, which total around 4-6 inches across portions of Benton and Mille Lacs counties by the late evening. The worst area was near...

Flash Flood — Jul 11, 2016

The morning of Monday, July 11th, two waves of thunderstorms moved across west central and central Minnesota. Very heavy rainfall and isolated hail occurred with the main area of storms. But these storms also produced a wide area of one half to two inches of rain by sunrise. ||The morning two events set the stage for flooding in central Minnesota as several additional waves of thunderstorms dev...

Flash Flood — Aug 16, 2011

Thunderstorms developed across western Minnesota the afternoon of Tuesday, August 16th. These thunderstorms continued to develop eastward across central Minnesota, and into east central Minnesota, and west central Wisconsin. A few of the thunderstorms began to train across central and east central Minnesota, mainly between St. Cloud and the northern suburbs of the Twin Cities during the late a...

Flash Flood — Apr 22, 2001

Two to four inches rain fell on saturated ground. The most severe damage occured in Santiago (Sherburne County), where a dike along County Road 11 gave way and allowed water to come crashing into town. About one dozen homes and businesses were flooded and evacuations were necessary. Other damage included flooded basements in Foley (Benton County) and Milaca (Mille Lacs County). County offic...

Flood — Apr 1, 2001

Heavy snowfall during winter remained on the ground through the end of March and then rapidly melted, resulting in river stages close to record levels. Water began to gush through drainage ditches, streams and into the mainstem rivers during midday April 1. Heavy rain April 7-8 over much of central Minnesota (see corresponding flood entry) prolonged the high water and also added one or two fee...

Source: NOAA National Weather Service Storm Events Database.

Mille Lacs County NFIP Flood Insurance Claims

Total Claims Filed
18
Total Paid Out
$77,611
Avg Claim
$5,543
Avg Water Depth
2.1 ft

Claims by Flood Zone

A Zones (High Risk)
8
X Unshaded (Low)
2

Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).

Flood Zone Types in Mille Lacs County

FEMA assigns flood zone designations to areas in Mille Lacs County, Minnesota:

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.

View all flood zone types →

Flood Insurance in Mille Lacs County

Properties in Mille Lacs County, Minnesota 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.