The Black River near Annapolis crested at major flood stage 3 times among the 117 crests the National Weather Service lists from 1939 to 2026. The highest, 28.73 ft on July 10, 2026, was major flooding, 20.73 feet above flood stage.
The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.
Flood categories, Black River near Annapolis
Action stage
6.0
2
Apr 26, 2003
The level at which the NWS or its partners begin to take action
Flood stage (minor)
8.0
85
Apr 19, 2026
Minimal or no property damage, but possibly some public threat
Moderate flood stage
15.0
27
Apr 5, 2025
Some inundation of structures and roads near the stream
Major flood stage
25.0
3
Jul 10, 2026
Extensive inundation of structures and roads
03
Every listed crest
117 crests from 1939 to 2026. Filled: at or above flood stage. Hover a crest for its date and stage.
Crests at or above flood stage, by decade
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.
Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.
04
Highest crests
The 50 highest of 117 listed crests.
Highest listed crests, Black River near Annapolis
1
Jul 10, 2026
28.73
+20.73
Major
122,000
2
Nov 14, 1993
27.38
+19.38
Major
109,000
3
Nov 19, 1985
25.81
+17.81
Major
98,500
4
Apr 30, 2017
23.23
+15.23
Moderate
70,600
5
Nov 5, 2024
22.12
+14.12
Moderate
62,200
6
Nov 2, 1972
21.55
+13.55
Moderate
49,700
7
Oct 30, 2009
21.54
+13.54
Moderate
58,000
8
May 13, 2002
21.40
+13.40
Moderate
60,200
9
Apr 5, 2025
20.29
+12.29
Moderate
49,600
10
Jun 8, 1945
20.10
+12.10
Moderate
45,400
11
Mar 28, 1977
20.06
+12.06
Moderate
43,100
12
Mar 19, 2008
20.03
+12.03
Moderate
40,000
13
Dec 29, 2015
19.80
+11.80
Moderate
46,500
14
Feb 24, 1985
19.63
+11.63
Moderate
49,700
15
Apr 12, 1979
19.31
+11.31
Moderate
40,000
16
Apr 4, 1957
19.30
+11.30
Moderate
42,100
17
May 11, 1943
18.90
+10.90
Moderate
37,900
18
Feb 10, 1966
18.90
+10.90
Moderate
40,400
19
Apr 11, 2008
18.84
+10.84
Moderate
32,100
20
Apr 30, 1983
18.65
+10.65
Moderate
47,600
21
Jan 30, 1969
18.43
+10.43
Moderate
37,100
22
Apr 22, 1996
18.00
+10.00
Moderate
37,300
23
Dec 3, 1982
17.64
+9.64
Moderate
40,800
24
Jan 4, 1950
17.63
+9.63
Moderate
35,200
25
Dec 17, 1957
17.45
+9.45
Moderate
34,400
26
Apr 17, 1939
17.40
+9.40
Moderate
32,500
27
Apr 26, 2011
16.85
+8.85
Moderate
30,200
28
Apr 12, 1994
16.76
+8.76
Moderate
31,400
29
Mar 25, 2023
15.72
+7.72
Moderate
25,000
30
Feb 18, 2022
15.37
+7.37
Moderate
—
31
Nov 18, 2015
14.59
+6.59
Minor
20,600
32
Jan 12, 2020
14.58
+6.58
Minor
—
33
Mar 4, 2023
14.32
+6.32
Minor
19,700
34
Mar 20, 2020
13.70
+5.70
Minor
17,700
35
Sep 26, 1993
13.67
+5.67
Minor
20,300
36
Feb 25, 2018
13.67
+5.67
Minor
17,500
37
Feb 27, 1997
13.55
+5.55
Minor
19,100
38
Feb 18, 2008
13.46
+5.46
Minor
12,000
39
Dec 1, 2006
13.42
+5.42
Minor
17,000
40
Mar 31, 2022
13.17
+5.17
Minor
—
41
Apr 19, 2013
13.16
+5.16
Minor
16,100
42
May 16, 2023
12.84
+4.84
Minor
15,100
43
Jul 11, 2015
12.78
+4.78
Minor
15,000
44
Apr 30, 1994
12.70
+4.70
Minor
16,300
45
Mar 13, 2021
12.60
+4.60
Minor
14,500
46
May 4, 2013
12.41
+4.41
Minor
13,900
47
Mar 9, 2002
12.40
+4.40
Minor
15,100
48
May 28, 2016
12.40
+4.40
Minor
13,900
49
Mar 18, 2013
12.13
+4.13
Minor
13,200
50
Nov 18, 2003
12.06
+4.06
Minor
13,000
05
The worst floods along the Black River
For this gauge's highest crests, the other gauges on the Black River that crested above flood stage within a week.
NOAA National Water Prediction Service, gauge ANNM7, 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.