Maine Browser Public data for Maine

Maine / Rivers / Machias River

Machias River

Washington County woods → Machias Bay

Length

60

miles · published figure, not every bend

Drainage

500

square miles of land that feed this river

Live flow

388 cubic feet per second

instant · St. Croix River at Vanceboro, Maine · 2026-10-05

Daily mean at the gage

St. Croix River at Vanceboro, Maine · site 01018500. One gage, not the whole river. 370 published days, Sep 30, 2025 – Oct 4, 2026. Cubic feet per second.

05001,000Sep 30, 2025Oct 4, 2026

Counties along the run

Washington