StormCast — Weather & Emergency Alerts

Cass River at Frankenmuth
Michigan — Water Level & Flood Stage

Located in Saginaw County, Michigan on the Cass River. Live water level data from USGS gauge 04151500, updated every 15 minutes.

Current Water Level

Gage Height

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Streamflow

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Last Reading

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Flood Stages

Major Flood

25 ft

Moderate Flood

20 ft

Minor Flood

17 ft

Action Stage

15 ft

Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.

What Floods at Each Level

29 ft

Water will likely begin making its way around the levee and into downtown Frankenmuth.

23 ft

Softball fields and picnic areas by Bavarian Inn Resort will be under about 3 feet of water.

22.5 ft

At least three houses, by Dixie Highway and Knott Road in Bridgeport Township, become surrounded by water. Water flows on both sides of the Cass River bridge on Dixie Highway.

22 ft

Water floods driveways of several houses on Curtis Road near Frankenmuth.

21.5 ft

Water reaches Curtis Road and Dixie Highway by Green Acres Golf Course between Bridgeport and Frankenmuth. Widespread flooding of adjacent lowlands and agricutlural lands worsens.

20 ft

The recreation park by the Bavarian Inn Resort in Frankenmuth floods.

19.5 ft

Some backyards on Curtis Road near Frankenmuth flood.

19 ft

Flooding begins on Green Acres Golf Course located on the Bridgeport and Frankenmuth Township border.

17 ft

The river begins to overflow its banks in places, flooding adjacent low lands.

Impact statements from the National Weather Service, describing what typically happens at each water level.

7-Day Water Level Chart

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View Official NWS Hydrograph →

Historic Crests

Date Stage Flow
Sep 11, 198627.52 ft22,200 cfs
Sep 11, 198627.52 ft22,200 cfs
Feb 21, 199723.6 ft14,800 cfs
Feb 21, 199723.6 ft14,800 cfs
Mar 2, 196823.37 ft

About This Gauge

USGS Site

04151500

NWS LID

FRNM4

River

Cass River

County

Saginaw, MI

Coordinates

43.3278°N, 83.7481°W

Get Flood Alerts for Cass River

StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.

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Frequently Asked Questions

What is the current water level of Cass River at Frankenmuth?

The Cass River at Frankenmuth gauge is maintained by USGS (site 04151500) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.

What is flood stage for Cass River at Frankenmuth?

The NWS-defined flood stage for Cass River at Frankenmuth is 17 feet. Action stage begins at 15 feet. Moderate flooding starts at 20 feet, and major flooding at 25 feet.

How do I get alerts when Cass River rises?

Download StormCast free on Google Play, go to River Gauges, and add Cass River at Frankenmuth to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.

Where is the Cass River at Frankenmuth gauge located?

The gauge is located in Saginaw County, Michigan at coordinates 43.3278°N, 83.7481°W. USGS site number: 04151500. Data is provided by the U.S. Geological Survey and the National Weather Service.

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Source & Notes

Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey, Observations courtesy of U.S. Army Corps of Engineers