South Sulphur River near Cooper, TX
River level and flood forecast · Delta County
Normal1.5 ftas of Mon 3:15 PM
The river is 14.5 ft below flood stage (16 ft).
Forecast to hold near 1.5 ft through Sat, Oct 17, 7 AM.
Flow: 3 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 10:13 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 25 ft |
| Moderate flood stage | 20 ft |
| Flood stage | 16 ft |
| Action stage | 14 ft |
| Record crest (May 13, 1982) | 27.21 ft |
What floods at each level
From the National Weather Service, highest first.
- 25 ftMajor out of banks flooding is occurring along the river reach. Several rural roads are underwater. Farm and ranch land near the river is flooded.
- 20 ftModerate out of bank flooding will occur along the river reach. A few rural roads will be flooded. Moderate flooding will occur on farm and ranch land adjacent to the river.
- 16 ftMinor out of bank flooding will occur. A few rural roads will begin to flood. Minor flooding will occur to farm and ranch land adjacent to the river.
Highest crests on record
- 27.21 ft — May 13, 1982
- 26.15 ft — December 10, 1971
- 26.02 ft — April 30, 1966
- 26 ft — April 29, 1953
- 25.77 ft — May 7, 1969
Recent crests: 16.52 ft (June 20, 2025) · 20.38 ft (June 12, 2025) · 19.45 ft (May 7, 2025) · 16.89 ft (April 11, 2025) · 21.79 ft (April 5, 2025)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (COPT2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.