Patuxent River below Brighton Dam near Brighton MD

Montgomery County, Maryland · USGS gauge 01591610 · NWS BGHM2 · Patuxent River flood status · Maryland river levels

Nearby: river levels near Guilford · river levels near Rockville

Is Patuxent River below Brighton Dam near Brighton MD flooding right now?

Patuxent River below Brighton Dam near Brighton MD measured 1.64 ft on 2026-09-11 01:45:00 UTC. That observation was 7.4 ft below its 9 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
1.64 ft
as of 49 min ago
Streamflow
42 cfs
data refreshed 2 min ago

Minor flooding here begins at 9 ft. The highest crest on record was 11.88 ft on Thu, Jan 31, 2013.

Streamflow outlook

NOAA National Water Model forecast, issued 15 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

Flood stages at this gauge

CategoryStageCurrent distance
Action8 ft6.4 ft below
Minor flood9 ft7.4 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

StageDate
11.88 ft2013-01-31
11.41 ft2014-05-01
11.03 ft2003-12-11
10.26 ft1989-05-06
9.22 ft2015-06-28

Nearby gauges

GaugeDistanceCounty
Hawlings River near Sandy Spring, MD1.5 miMontgomery County
Patuxent River near Unity, MD4.2 miMontgomery County
Cattail Creek near Glenwood, MD5.1 miHoward County
Middle Patuxent River near Simpsonville, MD5.6 miHoward County
Paint Branch Tributary near Colesville, MD7.2 miMontgomery County
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast