Black River at Black Rock
Arkansas — Water Level & Flood Stage
Located in Lawrence County, Arkansas on the Black River. Live water level data from USGS gauge 07072500, 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
28 ft
Moderate Flood
25 ft
Minor Flood
14 ft
Action Stage
12 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
32 ft
The crest of record is 31.9 feet which occurred on August 21, 1915. Heavy rainfall was due to a hurricane which made landfall near Galveston Texas, and moved across Arkansas.
31.5 ft
This is an extremely serious situation, residential areas of Black Rock, Portia, and Powhatan may be flooded. Flood crest of December 1982 was 31.51 feet, the second highest crest of record. Major flood damages to roads, bridges, and homes along the river in Lawrence, Jackson, and Independence counties. River is very dangerous at this level. State Highways 25, 37, and 69 will be flooded. Stay away from the edges of high banks along the river, bank caving is possible.
28.5 ft
Highway 412 between Highway 63 and Walnut Ridge becomes inundated by flood waters.
28 ft
Major flooding occurring at or above 28 feet. Portions of Black Rock and Powhatan Courthouse State Park floods. Jacksonport State Park Riverside of levee floods. State Highways 25, 37, and 69 will flood. 40 thousand acres of cropland flooded in Lawrence, Jackson, and Independence counties. Flood crests at Black Rock, 28.6 feet in April 2008, 29.7 feet in March 2008, and 30.45 feet in April 2011.
25 ft
State Highway 37 will probably flood on west side of Black River. State Highway 25 south of Black Rock and State Highway 69 near Jacksonport may be partially flooded. Water will be in portions of Powhatan State Park. Extensive cropland flooding, flooding classified as moderate.
24 ft
Thousands of acres of cropland and pastures flooded. State Highway 37 in Independence County east of Cord may be flooded. Water rises into low lying streets in Powhatan. Ball Park and Boat Ramp Area in Black Rock floods.
20 ft
Agricultural land is flooding along both banks of the river in Lawrence, Independence, and Jackson counties. Minor flooding in Powhatan Community and Courthouse State Park.
17 ft
Low lying cultivated land and pastures in Lawrence, Jackson, and Independence counties flood.
14 ft
Minor flooding begins. Farm ground along east bank begins to flood.
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 |
|---|---|---|
| Aug 20, 1915 | 31.9 ft | 160,000 cfs |
| Aug 20, 1915 | 31.9 ft | 160,000 cfs |
| Dec 3, 1982 | 31.51 ft | 190,000 cfs |
| Dec 3, 1982 | 31.51 ft | 190,000 cfs |
| Apr 26, 2011 | 30.45 ft | 155,597 cfs |
About This Gauge
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Frequently Asked Questions
What is the current water level of Black River at Black Rock?
The Black River at Black Rock gauge is maintained by USGS (site 07072500) 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 Black River at Black Rock?
The NWS-defined flood stage for Black River at Black Rock is 14 feet. Action stage begins at 12 feet. Moderate flooding starts at 25 feet, and major flooding at 28 feet.
How do I get alerts when Black River rises?
Download StormCast free on Google Play, go to River Gauges, and add Black River at Black Rock 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 Black River at Black Rock gauge located?
The gauge is located in Lawrence County, Arkansas at coordinates 36.1025°N, 91.0978°W. USGS site number: 07072500. 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, Observations courtesy of U.S. Army Corps of Engineers
- 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.