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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.

USGS 15303600 KUSKOKWIM R AT MCGRATH AK

Yukon-Koyukuk Census Area County, Alaska
Hydrologic Unit Code 19030405
Latitude  62°57'10", Longitude 155°35'11" NAD27
Drainage area 11,560  square miles
Gage datum 300 feet above NGVD29

Period of record
Begin Date End Date Count
1963-07-13 2025-09-29 82

 
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