USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

Available data for this site

Copper River Census Area County, Alaska

Hydrologic Unit Code 190201040102

Latitude 61°27'56", Longitude 144°27'21" NAD27

Drainage area 20,770.0 square miles

Gage datum 428.0 feet above NAVD88

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

Page Contact Information: Alaska Water Data Support Team
Page Last Modified: 2025-12-14 08:15:29 EST
0.54 0.47 caww01

15212000 COPPER R NR CHITINA AK