River SD

Mustinka River

South Dakota • 45.8168, -96.5130

Hydrography profile Updated Dec 30, 2025

Checking mapped path coverage…

USGS and NOAA data is for informational purposes. Source notes

Length

69 mi

111 km

Elevation

1,126′ → 975′

151 ft drop

Stream Order

Large River

Slope

0.04%

2.2 ft/mi

Drainage

853 mi²

2,208 km²

Avg Flow

-- cfs

1.4 mph velocity

Path to Mouth

626 mi

1,008 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

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

Data from USGS & NOAA for informational purposes only. More

Access Sites on Mustinka River

There are 1 boat ramps, launches, and public access points on Mustinka River.