Little Patuxent River at Guilford, MD

Howard County, Maryland · USGS gauge 01593500 · NWS LPGM2 · Little Patuxent River flood status · Maryland river levels

Is Little Patuxent River at Guilford, MD flooding right now?

Little Patuxent River at Guilford, MD measured 1.94 ft on 2026-10-27 20:00:00 UTC. That observation was 10.1 ft below its 12 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height

1.94 ft

as of 58 min ago

Streamflow

14 cfs

data refreshed 11 min ago

Minor flooding here begins at 12 ft, with major flooding at 20 ft. The highest crest on record was 18.38 ft on Thu, Jun 22, 1972.

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

Category	Stage	Current distance
Action	8 ft	6.1 ft below
Minor flood	12 ft	10.1 ft below
Moderate flood	16 ft	14.1 ft below
Major flood	20 ft	18.1 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

Stage	Date
18.38 ft	1972-06-22
15.23 ft	2018-05-28
15.09 ft	2006-06-25
14.97 ft	2016-07-31
14.06 ft	2011-09-07

Last 7 days

Past 7 days · 1.81–2.07 ft

Nearby gauges

Gauge	Distance	County
L Pax Riv Tributary above Lake Elkhorn near Guilford, MD	1.8 mi	Howard County
Little Patuxent River at Savage, MD	3.0 mi	Howard County
Middle Patuxent River near Simpsonville, MD	3.3 mi	Howard County
Patuxent River near Laurel, MD	3.8 mi	Howard County
L Pax Riv Tributary above Wilde Lake at Columbia, MD	4.1 mi	Howard 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