Grand Lake Stream at Grand Lake Stream, Maine

Washington County, Maine · USGS gauge 01019000 · NWS GLSM1 · Maine river levels

Is Grand Lake Stream at Grand Lake Stream, Maine flooding right now?

Grand Lake Stream at Grand Lake Stream, Maine measured 1.80 ft on 2026-09-11 02:00:00 UTC. That observation was 5.2 ft below its 7 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height

1.80 ft

as of 33 min ago

Streamflow

123 cfs

data refreshed 1 min ago

Minor flooding here begins at 7 ft. The highest crest on record was 7.75 ft on Fri, Dec 2, 2005.

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	6 ft	4.2 ft below
Minor flood	7 ft	5.2 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
7.75 ft	2005-12-02
6.69 ft	1983-04-25
6.35 ft	1952-06-12
6.17 ft	1989-05-14
5.78 ft	1961-05-29

Nearby gauges

Gauge	Distance	County
Old Stream near Wesley, Maine	16.3 mi	Washington County
St. Croix River at Baring, Maine	22.1 mi	Washington County
Mopang Stream near Beddington ME	22.4 mi	Washington County
Libby Brook near Northfield, Maine	25.7 mi	Washington County
East Br Bear Brook near Beddington, Maine	27.1 mi	Hancock 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