StormCast — Weather & Emergency Alerts

Tennessee River at Johnsonville
Tennessee — Water Level & Flood Stage

Located in Benton County, Tennessee on the Tennessee River. Live water level data from USGS gauge 03605000, 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

370 ft

Moderate Flood

366 ft

Minor Flood

361.5 ft

Action Stage

360 ft

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

What Floods at Each Level

375 ft

The Battle of Johnsonville Park in the Johnsonville State Historic Park is completely flooded.

370 ft

Flood waters are impacting many areas along the river, including areas near the Cuba Landing Marina, New Johnsonville Harbor Campground and Marina, Pebble Isle Marina, Eagle Bay Marina, and Cane Creek Marina.

368 ft

Most of the parking and camping areas at Mason's Boat Dock are flooded, and portions of the Battle of Johnsonville Park in the Johnsonville State Historic Park begin to be impacted. Water approaches the Cuba Landing Marina parking lot, and most of the boat launch area is inundated.

366 ft

Many access roads along and near the river are impacted, including portions of Clydeton Road, Lakefront Drive, Paint Rock Road, and Turkey Creek Road in Humphreys County, Lower Standing Rock Road, Short Creek Road, Bobcat Trail, and Tanasi Trail in Stewart County.

365 ft

Water begins to impact areas near the Cuba Landing Marina, New Johnsonville Harbor Campground and Marina, Pebble Isle Marina, Eagle Bay Marina, and Cane Creek Marina. The Tennessee National Wildlife Refuge near the Duck River is completely flooded.

364 ft

Water approaches the top of the levee at the Tennessee River Wildlife Refuge near the Duck River.

361.5 ft

Low-lying portions of Old Johnsonville Road near the Battle of Johnsonville Park begin to flood, and water approaches some of the parking areas and campgrounds at Mason's Boat Dock near Waverly.

360 ft

Low-lying and agricultural areas along the river from the Interstate 40 bridge to Land Between the Lakes, including boat launches, access points, and portions of the Tennessee River National Wildlife Refuge near the Duck River begin to inundate.

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 4, 2011372.64 ft
May 4, 2011372.64 ft
Mar 4, 2019369.5 ft
Mar 4, 2019369.5 ft
May 8, 2010369.24 ft

About This Gauge

USGS Site

03605000

NWS LID

NJNT1

River

Tennessee River

County

Benton, TN

Coordinates

36.0178°N, 88.0042°W

Get Flood Alerts for Tennessee 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 Tennessee River at Johnsonville?

The Tennessee River at Johnsonville gauge is maintained by USGS (site 03605000) 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 Tennessee River at Johnsonville?

The NWS-defined flood stage for Tennessee River at Johnsonville is 361.5 feet. Action stage begins at 360 feet. Moderate flooding starts at 366 feet, and major flooding at 370 feet.

How do I get alerts when Tennessee River rises?

Download StormCast free on Google Play, go to River Gauges, and add Tennessee River at Johnsonville 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 Tennessee River at Johnsonville gauge located?

The gauge is located in Benton County, Tennessee at coordinates 36.0178°N, 88.0042°W. USGS site number: 03605000. Data is provided by the U.S. Geological Survey and the National Weather Service.

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Source & Notes

Data provided by: Tennessee Valley Authority, Observations courtesy of U.S. Geological Survey