Ditch ID

North Alkali Drain

Idaho • 43.7734, -117.0111

Hydrography profile Updated Dec 30, 2025

Checking mapped path coverage…

USGS and NOAA data is for informational purposes. Source notes

Length

2 mi

3 km

Elevation

2,205′ → 2,192′

13 ft drop

Stream Order

Headwater

Slope

0.16%

8.3 ft/mi

Drainage

2 mi²

4 km²

Avg Flow

-- cfs

0.5 mph velocity

Path to Mouth

723 mi

1,163 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

Data from USGS & NOAA for informational purposes only. More