Active USGS

St. John River At Ninemile Bridge, Maine

Updated August 2, 2026 at 09:00:00 AM · Provisional · Site 01010000

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Active 13.5 mi

Big Black River Near Depot Mtn, Maine

ID: 01010070

Flow: 69 ft³/s
Active 39.4 mi

Allagash River Near Allagash, Maine

ID: 01011000

Flow: 402 ft³/s
Active 41.1 mi

St. John River At Dickey, Maine

ID: 01010500

Flow: 687 ft³/s

Official USGS page: https://waterdata.usgs.gov/monitoring-location/USGS-01010000/ (may include cooperator information)