Creek SD

LaRoche Creek

South Dakota • 44.2334, -99.9863

Reviewed mapped path Updated Feb 1, 2026

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USGS and NOAA data is for informational purposes. Source notes

Length

12 mi

19 km

Elevation

1,837′ → 1,429′

408 ft drop

Stream Order

Stream

Slope

0.64%

33.9 ft/mi

Drainage

11 mi²

27 km²

Avg Flow

-- cfs

0.7 mph velocity

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