River MD

Tarnans Branch

Maryland • 38.9770, -76.6222
Hydrography profile Updated Dec 30, 2025
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USGS and NOAA data is for informational purposes. Source notes
Length
3 mi
4 km
Elevation
84′ → 0′
84 ft drop
Stream Order
2
Stream
Slope
0.58%
30.4 ft/mi
Drainage
2 mi²
6 km²
Avg Flow
-- cfs
0.6 mph velocity
Path to Mouth
222 mi
358 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