Adventures Unbound: Fletcher's Cove Boathouse
Northeast Branch Anacostia River in Maryland
Around here
Around Northeast Branch Anacostia River
Data Source: Recreation.gov · Source: USGS GNIS · Source: National Park Service. No claim to original U.S. Government works. · Public land: USGS PAD-US
About this river
Northeast Branch Anacostia River is a 3.1 mile river near Adventures Unbound: Fletcher's Cove Boathouse. Streamflow is measured at the USGS gauge Northeast Branch Anacostia River at Riverdale, MD (site 01649500). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1938 to 2025
Northeast Branch Anacostia River typically runs highest in March, at a median 73 cfs, and lowest in September, at 21 cfs. The highest flow on record for any single day is 6,830 cfs, in 1975.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 57 | 39 to 93 |
| February | 66 | 45 to 113 |
| March | 73 | 48 to 119 |
| April | 65 | 46 to 104 |
| May | 51 | 34 to 88 |
| June | 35 | 23 to 62 |
| July | 26 | 16 to 50 |
| August | 25 | 14 to 51 |
| September | 21 | 13 to 38 |
| October | 22 | 17 to 42 |
| November | 35 | 24 to 60 |
| December | 49 | 32 to 86 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 87 years of record. Statistics published by the US Geological Survey for Northeast Branch Anacostia River at Riverdale, MD (site 01649500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Northeast Branch Anacostia River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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