RIVER GAUGE · PATUXENT RIVER
Patuxent River near Unity
Montgomery County, Maryland
Water level1.91 ft
Flow7 cfs
Last readingSep 16, 2026, 4:55 PM UTC (last recorded)
Action7 ft
Minor flood8 ft
Moderate flood11 ft
Major flood18 ft
The past week
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What floods at each level
- 11 ft
Howard Chapel Road is flooded at the Patuxent River.
- 8 ft
The parking lot for the Patuxent River State Park at Maryland Route 97 begins to flood.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Sep 10, 1971 | 18.6 ft | 21,800 cfs |
| Jun 21, 1972 | 16.1 ft | 14,500 cfs |
| Jul 20, 1956 | 14.35 ft | 10,700 cfs |
More on Patuxent River
DownstreamPatuxent River below Brighton Dam
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