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Unnamed Tributary near Middle River

Highest listed crest 13.06 ftFlood stage 10.8 ft3 crests since 2018

The Unnamed Tributary near Middle River crested above flood stage 3 times among the 3 crests the National Weather Service lists from 2018 to 2025. The highest, 13.06 ft on August 7, 2018, was moderate flooding, 2.31 feet above flood stage.

The gauge

Highest listed crest
13.06 ft
August 7, 2018
Flood stage
10.8 ft
No major stage set
Crests at major
0
3 above flood stage
Most recent flood crest
June 29, 2025
11.20 ft, minor flooding
Location
Baltimore County
Near Baltimore (10.0 mi), Bel Air (14.7 mi)

Flood stages

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

Flood categories, Unnamed Tributary near Middle River
Action stage10.00—The level at which the NWS or its partners begin to take action
Flood stage (minor)10.82Jun 29, 2025Minimal or no property damage, but possibly some public threat
Moderate flood stage13.01Aug 7, 2018Some inundation of structures and roads near the stream

Every listed crest

3 crests from 2018 to 2025. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the Unnamed Tributary near Middle River, 2018 to 2025 1011121314ft Flood stage 10.8 ft Aug 7, 2018: 13.06 ft, moderate floodingSep 13, 2023: 10.87 ft, minor floodingJun 29, 2025: 11.20 ft, minor flooding Highest, 13.06 ft, Aug 7, 2018 20202025

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, Unnamed Tributary near Middle River 2010s: 1 2020s: 2 2 2010s2020s
  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.

Highest crests

Highest listed crests, Unnamed Tributary near Middle River
1Aug 7, 201813.06+2.31Moderate—
2Jun 29, 202511.20+0.45Minor—
3Sep 13, 202310.87+0.12Minor—

Gauges on the Unnamed Tributary

Flood gauges sharing the river's name, linked within 80 miles of one another.

Flood gauges on the Unnamed Tributary
New Alexandria Storm Water Pumping Station - DownstreamVA5.57.51 ft, Jul 8, 20191
New Alexandria Tide GateVA5.56.19 ft, Oct 29, 20210
Middle River this gaugeMD10.813.06 ft, Aug 7, 20180

Other gauges in Baltimore County

Flood gauges in Baltimore County
Broadmoor4.06.08 ft, Jun 22, 19720
Cockeysville9.012.10 ft, Jul 1, 19847
Bentley Springs5.57.30 ft, Jul 25, 20180
Woodlawn10.012.24 ft, Jul 30, 20160
Franklintown10.012.50 ft, Jun 22, 19720
Woodlawn9.012.16 ft, Jul 30, 20160
Catonsville9.011.29 ft, Jul 30, 20160
Arbutus7.013.25 ft, Aug 26, 19991
Beckleysville7.07.27 ft, Jul 24, 20180
Beckleysville6.07.85 ft, Jul 23, 20180
Glencoe7.016.50 ft, Sep 8, 20119
Hoffmanville6.010.02 ft, Aug 28, 20091
Parkton10.011.62 ft, Sep 8, 20110
Villa Nova11.021.50 ft, Jun 22, 19721
White Marsh6.013.51 ft, Oct 19, 20240
Sorrento17.018.11 ft, Jun 22, 19720
Blue Mount8.518.54 ft, Jun 22, 19724
Laurel Brook7.511.40 ft, Jul 1, 19840
Glen Arm10.011.15 ft, Jul 14, 20150
Ellicott City122.5124.78 ft, May 27, 20180
Hollofield11.031.30 ft, Jun 22, 19721
Catonsville20.027.15 ft, May 27, 20180
Dover8.510.86 ft, Jul 24, 20180
Rockdale7.07.83 ft, Jul 31, 20160
Woodlawn7.08.15 ft, Jul 30, 20160
Idlewylde9.010.87 ft, Aug 14, 20120
Western Run8.026.00 ft, Jun 22, 19723
White Marsh11.018.49 ft, Aug 1, 19711

Baltimore County: every hazard · River floods across the country · Maryland

NOAA National Water Prediction Service, gauge WPRM2, 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.