Creek MD

Folly Mills Creek

Maryland • 38.0809, -79.1481

Reviewed mapped path Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

12 mi

19 km

Elevation

1,976′ → 1,301′

675 ft drop

Stream Order

Stream

Slope

1.08%

56.9 ft/mi

Drainage

18 mi²

48 km²

Avg Flow

-- cfs

0.7 mph velocity

Path to Mouth

468 mi

754 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