Stream MD

Furnace Run

Maryland • 39.1946, -77.8202

Reviewed mapped path Updated Dec 30, 2025

Checking mapped path coverage…

USGS and NOAA data is for informational purposes. Source notes

Length

12 mi

20 km

Elevation

1,891′ → 333′

1,558 ft drop

Stream Order

Stream

Slope

2.40%

126.5 ft/mi

Drainage

11 mi²

30 km²

Avg Flow

-- cfs

0.7 mph velocity

Path to Mouth

347 mi

558 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

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

Loading the interactive map…

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

Rain Radar