Thompson River at Davis City
Iowa — Water Level & Flood Stage
Located in Decatur County, Iowa on the Thompson River. Live water level data from USGS gauge 06898000, 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
24 ft
Moderate Flood
20 ft
Minor Flood
12 ft
Action Stage
8 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
24 ft
Water affects both lanes of I-35 along with many area highways and county roads. Widespread flooding occurs along both the Thompson River and its tributaries.
19 ft
Water affects the Hwy R15 bridge crossings just north of Grand River. Flooding occurs in the low areas of Davis City.
13 ft
Flooding of agricultural land occurs north of Davis City near I-35.
12 ft
Widespread flooding occurs at the Davis City park including the campgrounds. Water affects Hwy R15 just north of the town of Grand River in northwest Decatur County.
11 ft
Water affects the Davis City park and campgrounds.
10 ft
Water affects gravel roads from Shewmaker Park to Oakhill cemetery near the town of Grand River in northwest Decatur County.
9 ft
Water affects the low areas of the Davis City park as well as some rural roads.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Sep 15, 1992 | 24.29 ft | 57,000 cfs |
| Sep 15, 1992 | 24.29 ft | 57,000 cfs |
| Aug 26, 1903 | 23 ft | — |
| Aug 26, 1903 | 23 ft | — |
| Aug 7, 1885 | 22.8 ft | 30,000 cfs |
About This Gauge
USGS Site
NWS LID
DVSI4
River
Thompson River
County
Decatur, IA
Coordinates
40.6403°N, 93.8081°W
Get Flood Alerts for Thompson 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.
Frequently Asked Questions
What is the current water level of Thompson River at Davis City?
The Thompson River at Davis City gauge is maintained by USGS (site 06898000) 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 Thompson River at Davis City?
The NWS-defined flood stage for Thompson River at Davis City is 12 feet. Action stage begins at 8 feet. Moderate flooding starts at 20 feet, and major flooding at 24 feet.
How do I get alerts when Thompson River rises?
Download StormCast free on Google Play, go to River Gauges, and add Thompson River at Davis City 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 Thompson River at Davis City gauge located?
The gauge is located in Decatur County, Iowa at coordinates 40.6403°N, 93.8081°W. USGS site number: 06898000. Data is provided by the U.S. Geological Survey and the National Weather Service.
On This River
More Resources
Source & Notes
Data provided by: Observations courtesy of U.S. Geological Survey