TidalMapNorthwest Branch Anacostia River at Brentwood, 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 01651003 sits on the Northwest Branch Anacostia River and reads everything draining 51 square miles of the Middle Potomac-Anacostia-Occoquan basin. Its datum sits 4 feet above sea level NAVD88. Daily flow has been on record here since 2023, 3 years of it.
Where this gauge sits in the drainage
One gauged site sits upstream of here. The closest is Northwest Branch Anacostia River near Colesville, MD, reading 21 square miles. This gauge adds the 30 square miles that drain in between.
Normal flows here
The Northwest Branch Anacostia River runs a median of 22 cfs at this gauge across 3 years of record. May is the fullest month at a median 51 cfs, and September the leanest at 8.9 cfs. The highest daily mean on record is 1,040 cfs in 2024, and the lowest is 3.9 cfs in 2024.
| Month | Median flow | Share of annual median |
|---|---|---|
| Jan | 21 cfs | 95% |
| Feb | 32 cfs | 145% |
| Mar | 31 cfs | 141% |
| Apr | 30 cfs | 134% |
| May | 51 cfs | 232% |
| Jun | 19 cfs | 86% |
| Jul | 23 cfs | 105% |
| Aug | 15 cfs | 68% |
| Sep | 8.9 cfs | 41% |
| Oct | 9.2 cfs | 42% |
| Nov | 12 cfs | 52% |
| Dec | 20 cfs | 91% |
Medians from the USGS daily-statistics record, 2023 to 2026. A month at 100% is running at its own long-term median.
Nearby river gauges
- Northeast Branch Anacostia River at Riverdale, MD
- Beaverdam Creek near Cheverly, MD
- Sligo Creek near Takoma Park, MD
- Paint Branch near College Park, MD
- Northwest Branch Anacostia River near Colesville, MD
- Paint Branch Tributary near Colesville, MD
- Fourmile Run at Alexandria, VA
- Potomac River near Wash, Dc Little Falls Pump Sta
- Turkey Branch near Rockville, MD
- Patuxent River near Laurel, MD
- Cameron Run at Alexandria, VA
- Four Mile Run at Hwy 29 at Falls Church, VA
Live streamflow and gage height: USGS gauge 01651003. Percentile context computed against the gauge's period of record. Not for navigation.
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