StormCast — Weather & Emergency Alerts

Meramec River near Eureka
Missouri — Water Level & Flood Stage

Located in St. Louis County, Missouri on the Meramec River. Live water level data from USGS gauge 07019000, 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

31 ft

Moderate Flood

26 ft

Minor Flood

19 ft

Action Stage

17 ft

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

What Floods at Each Level

46.5 ft

The Raineri Construction Products building on Truitt Drive begins flooding near this height.

46.3 ft

The Shell station between south Central Avenue and Highway 109 building and the Eureka Post Office building will both begin flooding near this height.

46 ft

Midwest Motors dealership's office building begins flooding at this height.

45.7 ft

Gershenson Construction on Truitt Drive begins flooding at this height.

45.3 ft

The Legion Park Community Center will begin flooding near this height.

45 ft

Three businesses along Truitt Drive, Earthbound Recycling Center, J.M. Mersheutz Construction, and Sellenriek Grading, begin flooding near this height.

44.5 ft

The intersection of Highway 109 with highways W and FF will begin flooding near this height.

44 ft

Cotton's Ace Hardware between South Central Avenue and Highway 109 begins flooding near this height.

43.5 ft

Near this height, floodwaters will reach the top of the rim around the wastewater treatment plant lagoon.

43 ft

Near this height, numerous businesses along Central Avenue in old town Eureka, Rockwood Bank, and the sewage treatment plant will begin flooding.

42.8 ft

Missouri State Route 109 in the older business section of Eureka is closed near this height.

42 ft

Missouri State Route 109 near Old State Road is flooded and closed near this height. Also, Lions Park ball fields will begin flooding near this height.

41.5 ft

Near this height, floodwaters will reach the floors of the utility buildings at the wastewater treatment plant, including the generator shelter.

40.2 ft

Highway 109 at Eureka Senior High School is closed.

40 ft

The right bank begins to overflow.

35 ft

Lighthouse Storage property begins to flood. Shelters and roads within Route 66 State Park are also flooded at this level.

34 ft

Numerous homes on West Spring River Ranch Road begin flooding at or slightly above this level.

32.9 ft

Near this height, the parking lot, restrooms, and smaller pavilion along Williams Road at Kircher Park in Eureka begin flooding.

32.5 ft

At this height, about 12 houses on Willman Road start flooding the main floors. On the river's north side, another 8 homes along West Spring River Ranch Road begin flooding.

29.7 ft

Near this height, the large pavilion floor and gazebo along Williams Road at Kircher Park in Eureka begin flooding.

28 ft

The lowest house on West Spring River Ranch Road begins flooding on the lower level. Also, at least one home on Willman Road begins flooding near this height.

27 ft

The Route 66 State Park road to the equestrian trailhead and to the boat ramp is flooded.

25.5 ft

Hornecker Road is closed near this height.

24.5 ft

The athletic fields at Eureka Senior High School begin flooding near this height.

23.8 ft

Spring River Ranch Road begins flooding near this height on the east end.

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
May 3, 201746.11 ft161,880 cfs
May 3, 201746.11 ft161,880 cfs
Dec 30, 201546.06 ft162,000 cfs
Dec 30, 201546.06 ft162,000 cfs
Dec 5, 198242.89 ft145,000 cfs

About This Gauge

USGS Site

07019000

NWS LID

ERKM7

River

Meramec River

County

St. Louis, MO

Coordinates

38.5047°N, 90.5909°W

Get Flood Alerts for Meramec River

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Frequently Asked Questions

What is the current water level of Meramec River near Eureka?

The Meramec River near Eureka gauge is maintained by USGS (site 07019000) 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 near Eureka?

The NWS-defined flood stage for Meramec River near Eureka is 19 feet. Action stage begins at 17 feet. Moderate flooding starts at 26 feet, and major flooding at 31 feet.

How do I get alerts when Meramec River rises?

Download StormCast free on Google Play, go to River Gauges, and add Meramec River near Eureka 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 Meramec River near Eureka gauge located?

The gauge is located in St. Louis County, Missouri at coordinates 38.5047°N, 90.5909°W. USGS site number: 07019000. 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