River ID

Isham Drain

Idaho • 43.5914, -116.8373

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

2,280′ → 2,218′

62 ft drop

Stream Order

Stream

Slope

0.74%

39.1 ft/mi

Drainage

3,089 mi²

8,001 km²

Avg Flow

-- cfs

0.6 mph velocity

Path to Mouth

747 mi

1,202 km to ocean

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