River WY

North Popo Agie River

Wyoming • 42.8137, -109.0122

Hydrography profile Updated Feb 1, 2026

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USGS and NOAA data is for informational purposes. Source notes

Length

39 mi

62 km

Elevation

10,142′ → 5,236′

4,906 ft drop

Stream Order

Medium River

Slope

2.40%

126.7 ft/mi

Drainage

140 mi²

362 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).

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

Rain Radar