Big Black River near Depot Mtn, Maine

Aroostook County, Maine · USGS gauge 01010070 · NWS BBRM1 · Maine river levels

Is Big Black River near Depot Mtn, Maine flooding right now?

Big Black River near Depot Mtn, Maine measured 3.35 ft on 2026-09-11 01:00:00 UTC. That observation was 10.2 ft below its 13.5 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height

3.35 ft

as of 2 hours ago

Streamflow

47 cfs

data refreshed 14 min ago

Minor flooding here begins at 13.5 ft. The highest crest on record was 15.62 ft on Wed, Apr 1, 1987.

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	12.5 ft	9.2 ft below
Minor flood	13.5 ft	10.2 ft below
Moderate flood	15 ft	11.7 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
15.62 ft	1987-04-01
14.59 ft	1994-04-17
14.17 ft	1986-04-02
14.03 ft	2019-04-21
13.88 ft	2008-04-30

Nearby gauges

Gauge	Distance	County
St. John River at Ninemile Bridge, Maine	13.4 mi	Aroostook County
Allagash River near Allagash, Maine	33.9 mi	Aroostook County
St. John River at Dickey, Maine	34.8 mi	Aroostook County
Fish River at Soldier Pond, Maine	58.4 mi	Aroostook County
Fish River near Fort Kent, Maine	60.0 mi	Aroostook 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