USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

USGS 12305000 KOOTENAI RIVER AT LEONIA, ID

Boundary County, Idaho

Hydrologic Unit Code 170101040203

Latitude 48°37'00.78", Longitude 116°02'57.10" NAD83

Drainage area 11,740.0 square miles

Gage datum 1,794.75 feet above NAVD88

U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Peak Streamflow
URL: https://staging.waterdata.usgs.gov/nwis/peak?

Page Contact Information: USGS Water Data Support Team
Page Last Modified: 2026-01-19 16:45:41 EST
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