River ID

Melba Drain

Idaho • 43.4236, -116.5540

Reviewed mapped path Updated Dec 30, 2025

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USGS and NOAA data is for informational purposes. Source notes

Length

2 mi

4 km

Elevation

2,670′ → 2,643′

27 ft drop

Stream Order

Medium River

Slope

0.22%

11.8 ft/mi

Drainage

2,915 mi²

7,549 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

7 mi

11 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