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Hydrograph River at a Glance Download
Northeast Branch Anacostia River at Riverdale Stage (ft)Flow (cfs)Observed: 0.72 ft at 10:30AM Oct 12, 2019Observed: 0.84 ft at 4:30PM Oct 12, 2019Observed: 0.8 ft at 10:30PM Oct 12, 2019Observed: 0.76 ft at 4:30AM Oct 13, 2019Observed: 0.76 ft at 10:30AM Oct 13, 2019Observed: 0.76 ft at 4:30PM Oct 13, 2019Observed: 0.69 ft at 10:30PM Oct 13, 2019Observed: 0.69 ft at 4:30AM Oct 14, 2019Observed: 0.76 ft at 10:30AM Oct 14, 2019Observed: 0.76 ft at 4:30PM Oct 14, 2019Observed: 0.8 ft at 10:30PM Oct 14, 2019Observed: 0.65 ft at 4:30AM Oct 15, 2019Observed: 0.72 ft at 10:30AM Oct 15, 2019Observed: 0.8 ft at 4:30PM Oct 15, 2019Observed: 0.72 ft at 10:30PM Oct 15, 2019Observed: 0.65 ft at 4:30AM Oct 16, 2019Observed: 0.69 ft at 10:30AM Oct 16, 2019Observed: 0.88 ft at 12:00PM Oct 16, 2019Observed: 1.26 ft at 12:45PM Oct 16, 2019Observed: 1.45 ft at 1:00PM Oct 16, 2019Observed: 1.64 ft at 1:05PM Oct 16, 2019Observed: 1.83 ft at 1:25PM Oct 16, 2019Observed: 2.02 ft at 1:40PM Oct 16, 2019Observed: 2.21 ft at 1:45PM Oct 16, 2019Observed: 2.41 ft at 1:50PM Oct 16, 2019Observed: 2.6 ft at 1:55PM Oct 16, 2019Observed: 2.79 ft at 2:05PM Oct 16, 2019Highest Observation: 2.98 ft at 3:20PM Oct 16, 2019Observed: 2.9 ft at 4:30PM Oct 16, 2019Observed: 2.71 ft at 5:15PM Oct 16, 2019Observed: 2.52 ft at 5:45PM Oct 16, 2019Observed: 2.33 ft at 6:10PM Oct 16, 2019Observed: 2.14 ft at 6:50PM Oct 16, 2019Observed: 1.95 ft at 7:45PM Oct 16, 2019Observed: 1.76 ft at 8:40PM Oct 16, 2019Observed: 1.56 ft at 9:45PM Oct 16, 2019Observed: 1.49 ft at 10:30PM Oct 16, 2019Observed: 1.3 ft at 12:25AM Oct 17, 2019RVDM2(plotting HGIRR) Graph Created (4:39AM Oct 17, 2019)ObservedLatest observed value: 1.3 ft at 12:25 AM EDT 17-Oct-2019. Flood Stage is 8 ft
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Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
NOTE: Forecasts are not available for the Northeast Branch Anacostia River at Riverdale. Only observed stages are available for this point.
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Flood Categories (in feet)
Major Flood Stage: 16
Moderate Flood Stage: 13
Flood Stage: 8
Action Stage: 7
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:16
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Gauge LocationGauge Map Marker
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
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16 Numerous roads and structures are flooded.
14 Much of Tanglewood Drive is flooded, along with some structures.
13 Water approaches homes and businesses.
12 Water reaches Tanglewood Drive in spots, as well as a parking lot near Riverdale.
11 Athletic fields off Tanglewood Drive are fully flooded.
8 The Northeast Branch Trail begins to flood in spots.
7 Water leaves the banks and begins to cover an athletic field off Tanglewood Drive. No other impacts are noted.
About This Location Collapse

Latitude: 38.960278° N, Longitude: 76.926111° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 8 ft  
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available  
NGVD 29 Not Available Not Available  
MSL Not Available Not Available  
Other Not Available Not Available  

Current/Historical Observations:

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NWS Information
National Weather Service
(Baltimore/Washington) Sterling Weather Forecast Office
43858 Weather Service Rd.
Sterling, VA 20166
(703) 996-2200
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Page last modified: 1-Mar-2019 12:35 AM
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