TidalMapPiscataway Creek at Piscataway, MD Water Level Today
NWS river forecast
| When | Stage | Flow |
|---|
Forecast from the NOAA National Water Prediction Service. Issued a few times a day and only while a forecast is active. Not for navigation.
Last 30 days
About this gauge
USGS gauge 01653600 sits on Piscataway Creek and reads everything draining 40 square miles of the Middle Potomac-Anacostia-Occoquan basin. Its datum sits 8 feet above sea level NAVD88. Daily flow has been on record here since 1966, 58 years of it.
Normal flows here
Piscataway Creek runs a median of 22 cfs at this gauge across 58 years of record. March is the fullest month at a median 50 cfs, and September the leanest at 3.9 cfs. The highest daily mean on record is 4,500 cfs in 1979, and the lowest is 0.0 cfs in 1986.
| Month | Median flow | Share of annual median |
|---|---|---|
| Jan | 39 cfs | 173% |
| Feb | 43 cfs | 191% |
| Mar | 50 cfs | 222% |
| Apr | 44 cfs | 193% |
| May | 30 cfs | 133% |
| Jun | 14 cfs | 62% |
| Jul | 7.3 cfs | 32% |
| Aug | 6.1 cfs | 27% |
| Sep | 3.9 cfs | 17% |
| Oct | 7.0 cfs | 31% |
| Nov | 15 cfs | 67% |
| Dec | 30 cfs | 133% |
Medians from the USGS daily-statistics record, 1966 to 2025. A month at 100% is running at its own long-term median.
Flood stages and record crests
Piscataway Creek reaches flood stage at this gauge at 11.5 feet. NWS starts watching it at 10 feet. The highest crest on record is 15.4 feet, in July 2020.
| Category | Gage height |
|---|---|
| Action | 10 ft |
| Minor flooding | 11.5 ft |
| Moderate flooding | 15 ft |
| Major flooding | 18 ft |
| When | Crest |
|---|---|
| July 2020 | 15.4 ft |
| August 2014 | 13.2 ft |
| September 2011 | 12.3 ft |
| May 2008 | 11.8 ft |
| September 1979 | 11.2 ft |
Flood categories and crest history from the NOAA National Water Prediction Service, gauge PSCM2. Stages are gage height, not depth. Not for navigation.
Nearby river gauges
- Mattawoman Creek near Pomonkey, MD
- Cameron Run at Alexandria, VA
- Fourmile Run at Alexandria, VA
- Beaverdam Creek near Cheverly, MD
- Zekiah Swamp Run near Newtown, MD
- Western Branch at Upper Marlboro, MD
- Northwest Branch Anacostia River at Brentwood, MD
- Accotink Creek at Keene Mill Rd at Springfield, VA
- Northeast Branch Anacostia River at Riverdale, MD
- Four Mile Run at Hwy 29 at Falls Church, VA
- Tripps Run at Falls Church, VA
- Sligo Creek near Takoma Park, MD
Live streamflow and gage height: USGS gauge 01653600. Percentile context computed against the gauge's period of record. Not for navigation.
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