Stream ME

Halfmoon Stream

Maine • 44.5499, -69.2651

Reviewed mapped path Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

12 mi

20 km

Elevation

612′ → 203′

409 ft drop

Stream Order

Medium River

Slope

0.63%

33.3 ft/mi

Drainage

38 mi²

98 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

109 mi

175 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

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Data from USGS & NOAA for informational purposes only. Read source and safety notes

Rain Radar