Hawlings River near Sandy Spring, MD

Montgomery County, Maryland · USGS gauge 01591700 · NWS SANM2 · Maryland river levels

Nearby: river levels near Guilford · river levels near Rockville

Is Hawlings River near Sandy Spring, MD flooding right now?

Hawlings River near Sandy Spring, MD measured 0.50 ft on 2026-10-27 18:45:00 UTC. That observation was 6.0 ft below its 6.5 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
0.50 ft
as of 63 min ago
Streamflow
11 cfs
data refreshed 2 min ago

Minor flooding here begins at 6.5 ft. The highest crest on record was 9.24 ft on Fri, Jan 19, 1996.

Streamflow outlook

NOAA National Water Model forecast, issued 14 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
Action5 ft4.5 ft below
Minor flood6.5 ft6.0 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
9.24 ft1996-01-19
8.8 ft1979-09-06
8.79 ft2001-06-22
8.55 ft1998-06-23
8.35 ft1989-05-06

Last 7 days

Past 7 days · 0.44–0.57 ft

Nearby gauges

GaugeDistanceCounty
Patuxent River below Brighton Dam near Brighton MD1.5 miMontgomery County
Patuxent River near Unity, MD4.8 miMontgomery County
Cattail Creek near Glenwood, MD5.8 miHoward County
Paint Branch Tributary near Colesville, MD6.2 miMontgomery County
Middle Patuxent River near Simpsonville, MD6.7 miHoward 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