Creek SD

Lone Well Creek

South Dakota • 43.1837, -103.3252

Reviewed mapped path Updated Feb 1, 2026

Checking mapped path coverage…

USGS and NOAA data is for informational purposes. Source notes

Length

18 mi

29 km

Elevation

3,546′ → 3,312′

234 ft drop

Stream Order

Medium River

Slope

0.25%

13.0 ft/mi

Drainage

28 mi²

73 km²

Avg Flow

-- cfs

1.1 mph velocity

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

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

Detailed hydrology

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