Major Flood
32 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
29 ft
Minor Flood
23 ft
Action Stage
21 ft
What Floods at Each Level
43.6 ft
The house at the corner of Main and Ferry begins flooding near this height.
43.3 ft
The Sisters Teahouse on Main Street begins flooding near this height.
42.8 ft
Denny Dennis Sporting Goods begins flooding at this height.
42.7 ft
Water reaches the front door of the American Legion Hall.
41.4 ft
The levee protecting the MSD sewage plant is overtopped.
39.4 ft
The lower storage level of the American Legion Hall begins flooding.
37.7 ft
Opps Lane residence downstream of gage begins flooding.
36.8 ft
Opps Lane and Tosti's Transmission on Gravois Road begin flooding at this height.
34.5 ft
An auto glass shop on Gravois begins flooding near this height.
32.7 ft
Joe Clark's Restaurant begins flooding at this height.
32.5 ft
White building on Gravois across from Joe Clark's begins flooding at this height.
32 ft
Brannan's Marine and Motorsports begin flooding at this height.
30.8 ft
Old 141 begins flooding east of the Gravois intersection.
30.7 ft
Heating and cooling store begins flooding at this height.
30.5 ft
Gravois Road begins flooding in Fenton southwest of the new bridge.
29.5 ft
The Fenton Feed Mill begins flooding near this height.
25.4 ft
Water begins backing onto Water Street at the riverside drain at the Ferry Street intersection.
25.3 ft
Restrooms and playground at Minnie Ha Ha Park and the gazebo at Fenton Park begin flooding near this height.
25.2 ft
Minnie Ha Ha Park gazebo begins flooding.
22.9 ft
At this height, the entire boat ramp path at Minnie Ha Ha Park will be submerged.
22.6 ft
The pedestrian walkway along the Meramec Greenway begins flooding near this height about halfway between the Highway 30 bridge and the Greenway gazebo.
22.2 ft
Pedestrain trail along Opps Lane begins flooding near the MSD treatment plant.
19.9 ft
Near this height, the top of the boat ramp at Minnie Ha Ha Park will be submerged.
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 |
|---|---|---|
| Dec 31, 2015 | 42.86 ft | -9,999 cfs |
| May 3, 2017 | 41.88 ft | — |
| Jun 9, 2019 | 32.56 ft | — |
About This Gauge
USGS Site
NWS LID
FNNM7
River
Meramec River
County
St. Louis, MO
Coordinates
38.5122°N, 90.4314°W
Get Flood Alerts for Meramec 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 Meramec River at Fenton?
The Meramec River at Fenton gauge is maintained by USGS (site 07019210) 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 Meramec River at Fenton?
The NWS-defined flood stage for Meramec River at Fenton is 23 feet. Action stage begins at 21 feet. Moderate flooding starts at 29 feet, and major flooding at 32 feet.
How do I get alerts when Meramec River rises?
Download StormCast free on Google Play, go to River Gauges, and add Meramec River at Fenton to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Meramec River at Fenton gauge located?
The gauge is located in St. Louis County, Missouri at coordinates 38.5122°N, 90.4314°W. USGS site number: 07019210. 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
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.