Enter any address in Green Lake County, Wisconsin to see its FEMA flood zone
9 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Green Lake County, Wisconsin has recorded 14 flood-related events since 1996 according to NOAA's Storm Events Database, including 3 flash floods and 11 river or area floods. The county has received 9 federal disaster declarations, 2 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1973–2020)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms, Tornadoes, Straight-line Winds, Flooding, And Landslides | Flood | Aug 17, 2018 |
| Severe Storms, Tornadoes, And Flooding | Severe Storm | Jun 5, 2008 |
| Hurricane Katrina Evacuation | Hurricane | Aug 29, 2005 |
| Severe Storms And Flooding | Severe Storm | May 7, 2004 |
| Severe Storms, Tornadoes & Flooding | Severe Storm | Jun 7, 1993 |
| Drought | Drought | Jun 17, 1976 |
| Severe Storms & Flooding | Flood | Apr 27, 1973 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Mar 18, 2019 | 1.00K |
| Flood | Mar 14, 2019 | 5.00K |
| Flood | Apr 1, 2019 | 5.00K |
| Flood | Sep 5, 2018 | 1.00K |
| Flood | Sep 1, 2018 | 5.00K |
| Flood | Oct 1, 2018 | 1.00K |
| Flash Flood | Jun 7, 2008 | 0.00K |
| Flood | May 25, 2004 | 300K |
| Flash Flood | May 8, 2004 | 25K |
| Flood | Jun 1, 2004 | 2.72M |
Flood — Mar 18, 2019
A warm spell along with some rainfall led to the melting of 8-12 inches of snow on a frozen ground. Runoff led to long term river flooding on the Fox River of central WI.
Flood — Mar 14, 2019
Mild temperatures and some rainfall led to snow melt and excessive runoff on a frozen ground. Numerous rivers flooded including flooding in atypical areas due to ice jams. Evacuations were needed in some communities. The American Red Cross did respond in some cases to aid the flood victims.
Flood — Apr 1, 2019
Flooding from March continued into April although most rivers were declining during April.
Flood — Sep 5, 2018
River flooding was prevalent across southern WI during the month of September after receiving 12 to 20 inches of rain from August 16th to September 5th. Additional rains throughout the remainder of the month prolonged the flooding. Moderate to major flood stage was reached on the Baraboo and Fox Rivers of central WI, and the Rock River in Jefferson and Rock Counties. Flooding continued into ear...
Flood — Sep 1, 2018
River flooding was prevalent across southern WI during the month of September after receiving 12 to 20 inches of rain from August 16th to September 5th. Additional rains throughout the remainder of the month prolonged the flooding. Moderate to major flood stage was reached on the Baraboo and Fox Rivers of central WI, and the Rock River in Jefferson and Rock Counties. Flooding continued into ear...
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Green Lake County, Wisconsin:
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 Green Lake County, Wisconsin 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.