USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

USGS 11511990 KLAMATH R AB FALL C NR COPCO CA

Siskiyou County, California

Hydrologic Unit Code 18010206

Latitude 41°58'22.80", Longitude 122°21'53.36" NAD83

Drainage area 8,000 square miles

Gage datum 2,343 feet above NAVD88

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
2024	2023-11-05

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

Page Contact Information: USGS Water Data Support Team
Page Last Modified: 2025-07-04 22:27:25 EDT
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