Major Flood
29 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
20 ft
Minor Flood
11 ft
Action Stage
9 ft
What Floods at Each Level
34 ft
Near the entrance to Meramec State Park off Highway 185 west of the Meramec River bridge, this park access road near the visitor's center will begin flooding near this height.
29 ft
The main office at the Arapaho Campground begins flooding.
28 ft
Springer Road off of Sappington Bridge Road begins flooding near this height.
27 ft
Near this height, rooms at the Do Drift Inn at Ozark Outdoors Resort will begin flooding.
25 ft
Sappington Bridge boat access parking area and restroom begins flooding near this height.
22 ft
Near this height, Missouri Route W will be closed in both directions beyond Route JJ.
21 ft
Sappington Bridge Road just north of the Meramec River bridge begins flooding near this height.
18.5 ft
Near this height, Missouri Route N will be closed in both directions.
17.3 ft
The Onondaga Cave State Park picnic shelter begins flooding near this height.
17 ft
At this height the entire Arapaho campground will be under water.
15.6 ft
The basic loop of the Onondaga Cave State Park campground begins flooding near this height.
14.5 ft
At this height the Arapaho Campground will evacuate campers. This campground is about 8.5 river miles downstream from the gage. About 14.3 miles upstream of the gage...Cave Road access to Ozark Outdoors begins flooding near this height.
14 ft
The main entrance road to the Meramec State Park campground begins flooding...blocking acess to cabins 1-8...the picnic and playground areas, and the Wilderness Trailhead parking lot. At Onondaga Cave State Park...the primary entrance to the campground is closed and the secondary entrance is used near this height.
13.5 ft
Cave Road begins flooding at Onondaga Cave State Park near this height.
12 ft
The main entrance gate at Onondaga Cave State Park begins flooding near this height. This may eventually force the park to use the rear entrance as the primary entrance to the park.
11.5 ft
A small bridge in the back of Meramec State Park park is flooded, cutting the park in two. If the river continues to rise...park officials will evacuate the campgrounds at this point.
11 ft
Right Bank begins to overflow flooding wooded areas.
6 ft
When the river is rising above this height, canoe outfitters will generally not rent out canoes or rafts.
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 |
|---|---|---|
| May 1, 2017 | 36.52 ft | 95,300 cfs |
| Jul 31, 1915 | 33.5 ft | 90,000 cfs |
| Dec 3, 1982 | 32.22 ft | 67,700 cfs |
About This Gauge
USGS Site
NWS LID
SLLM7
River
Meramec River
County
Crawford, MO
Coordinates
38.1585°N, 91.1085°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 near Sullivan?
The Meramec River near Sullivan gauge is maintained by USGS (site 07014500) 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 Sullivan?
The NWS-defined flood stage for Meramec River near Sullivan is 11 feet. Action stage begins at 9 feet. Moderate flooding starts at 20 feet, and major flooding at 29 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 Sullivan 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 near Sullivan gauge located?
The gauge is located in Crawford County, Missouri at coordinates 38.1585°N, 91.1085°W. USGS site number: 07014500. 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.