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.

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Jo Daviess County, Illinois

Hydrologic Unit Code 07060005

Latitude 42°28'05", Longitude 90°20'20" NAD27

Drainage area 20.1 square miles

Gage datum 686.59 feet above NGVD29

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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: Wisconsin Water Data Support Team
Page Last Modified: 2026-01-03 16:51:20 EST
0.7 0.59 vaww01

05415500 EAST FORK GALENA RIVER AT COUNCIL HILL, IL