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Northeast Branch Anacostia River at Riverdale

Highest listed crest 13.37 ftFlood stage 8.0 ft30 crests since 1940

The Northeast Branch Anacostia River at Riverdale crested above flood stage 25 times among the 30 crests the National Weather Service lists from 1940 to 2025. The highest, 13.37 ft on July 3, 2022, was moderate flooding, 5.37 feet above flood stage.

The gauge

Highest listed crest
13.37 ft
July 3, 2022; 23,710 cubic feet per second
Flood stage
8.0 ft
Major flooding from 16.0 ft
Crests at major
0
25 above flood stage
Most recent flood crest
July 19, 2025
8.93 ft, minor flooding
Location
Prince George's County
Near Hyattsville (1.5 mi), College Park (2.5 mi), New Carrollton (2.6 mi)

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Northeast Branch Anacostia River at Riverdale
Action stage7.05Aug 28, 2011The level at which the NWS or its partners begin to take action
Flood stage (minor)8.024Jul 19, 2025Minimal or no property damage, but possibly some public threat
Moderate flood stage13.01Jul 3, 2022Some inundation of structures and roads near the stream
Major flood stage16.00—Extensive inundation of structures and roads

Every listed crest

30 crests from 1940 to 2025. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the Northeast Branch Anacostia River at Riverdale, 1940 to 2025 6810121416ft Flood stage 8.0 ftMajor 16.0 ft Apr 20, 1940: 7.92 ft, action stage; 2,350 cubic feet per secondAug 9, 1942: 9.39 ft, minor flooding; 2,980 cubic feet per secondOct 16, 1942: 10.85 ft, minor flooding; 3,660 cubic feet per secondNov 9, 1943: 7.76 ft, action stage; 2,280 cubic feet per secondJul 18, 1945: 10.64 ft, minor flooding; 3,680 cubic feet per secondSep 11, 1950: 7.55 ft, action stage; 2,060 cubic feet per secondJun 13, 1951: 7.31 ft, action stage; 1,980 cubic feet per secondSep 1, 1952: 8.56 ft, minor flooding; 2,770 cubic feet per secondNov 22, 1952: 9.03 ft, minor flooding; 3,000 cubic feet per secondJun 22, 1972: 9.52 ft, minor flooding; 12,000 cubic feet per secondSep 26, 1975: 10.57 ft, minor flooding; 10,800 cubic feet per secondSep 5, 1979: 10.16 ft, minor flooding; 9,410 cubic feet per secondMay 6, 1989: 9.56 ft, minor flooding; 8,100 cubic feet per secondNov 28, 1993: 9.45 ft, minor flooding; 7,880 cubic feet per secondJan 19, 1996: 9.28 ft, minor flooding; 7,540 cubic feet per secondNov 8, 1996: 9.05 ft, minor flooding; 7,090 cubic feet per secondSep 16, 1999: 9.23 ft, minor flooding; 7,440 cubic feet per secondJul 4, 2004: 11.19 ft, minor flooding; 8,000 cubic feet per secondJun 26, 2006: 10.83 ft, minor flooding; 12,000 cubic feet per secondJun 10, 2009: 9.55 ft, minor flooding; 8,080 cubic feet per secondAug 28, 2011: 7.53 ft, action stageSep 7, 2011: 8.50 ft, minor floodingApr 30, 2014: 8.00 ft, minor flooding; 5,410 cubic feet per secondJun 3, 2018: 10.20 ft, minor flooding; 9,500 cubic feet per secondDec 16, 2018: 8.10 ft, minor flooding; 5,560 cubic feet per secondAug 9, 2021: 8.04 ft, minor flooding; 5,470 cubic feet per secondJul 3, 2022: 13.37 ft, moderate flooding; 23,710 cubic feet per secondAug 10, 2022: 9.97 ft, minor flooding; 8,930 cubic feet per secondJan 10, 2024: 8.86 ft, minor flooding; 6,772 cubic feet per secondJul 19, 2025: 8.93 ft, minor flooding; 6,896 cubic feet per second Highest, 13.37 ft, Jul 3, 2022 19401960198020002020

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, Northeast Branch Anacostia River at Riverdale 1940s: 3 1950s: 2 1960s: 0 1970s: 3 1980s: 1 1990s: 4 2000s: 3 2010s: 4 2020s: 5 5 1940s1950s1960s1970s1980s1990s2000s2010s2020s
  1. These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
  2. Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.
  3. 1 crest measured on an earlier gauge datum is left out: 13.42 ft on Aug 23, 1933.

Highest crests

Highest listed crests, Northeast Branch Anacostia River at Riverdale
1Jul 3, 202213.37+5.37Moderate23,710
2Jul 4, 200411.19+3.19Minor8,000
3Oct 16, 194210.85+2.85Minor3,660
4Jun 26, 200610.83+2.83Minor12,000
5Jul 18, 194510.64+2.64Minor3,680
6Sep 26, 197510.57+2.57Minor10,800
7Jun 3, 201810.20+2.20Minor9,500
8Sep 5, 197910.16+2.16Minor9,410
9Aug 10, 20229.97+1.97Minor8,930
10May 6, 19899.56+1.56Minor8,100
11Jun 10, 20099.55+1.55Minor8,080
12Jun 22, 19729.52+1.52Minor12,000
13Nov 28, 19939.45+1.45Minor7,880
14Aug 9, 19429.39+1.39Minor2,980
15Jan 19, 19969.28+1.28Minor7,540
16Sep 16, 19999.23+1.23Minor7,440
17Nov 8, 19969.05+1.05Minor7,090
18Nov 22, 19529.03+1.03Minor3,000
19Jul 19, 20258.93+0.93Minor6,896
20Jan 10, 20248.86+0.86Minor6,772
21Sep 1, 19528.56+0.56Minor2,770
22Sep 7, 20118.50+0.50Minor—
23Dec 16, 20188.10+0.10Minor5,560
24Aug 9, 20218.04+0.04Minor5,470
25Apr 30, 20148.000.00Minor5,410
26Apr 20, 19407.92−0.08Action2,350
27Nov 9, 19437.76−0.24Action2,280
28Sep 11, 19507.55−0.45Action2,060
29Aug 28, 20117.53−0.47Action—
30Jun 13, 19517.31−0.69Action1,980

Other gauges in Prince George's County

Flood gauges in Prince George's County
Mitchellville9.09.20 ft, Jun 4, 20180
Upper Marlboro / Leeland Road12.014.84 ft, Jun 28, 20150
Piscataway11.515.42 ft, Jul 7, 20200
Upper Marlboro11.021.18 ft, Sep 8, 20111

Prince George's County: every hazard · River floods across the country · Maryland

NOAA National Water Prediction Service, gauge RVDM2, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.