River ID

Simpson Lateral

Idaho • 43.6592, -116.4173

Hydrography profile Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

2 mi

3 km

Elevation

2,575′ → 2,558′

17 ft drop

Stream Order

Major River

Slope

0.18%

9.7 ft/mi

Drainage

2,656 mi²

6,880 km²

Avg Flow

-- cfs

2.8 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