USGS 05437645 ROCK RIVER ABOVE DAM AT ROCKFORD, IL

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Available data for this site

DESCRIPTION:: Latitude 42°15'59.5", Longitude 89°05'45.7" NAD83; Winnebago County, Illinois, Hydrologic Unit 07090005; Drainage area: 6,535 square miles; Datum of gage: 700.19 feet above NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations (availability statement)	2015-04-09	2026-01-22
Daily Data
Gage height, feet	2015-04-09	2026-01-20	3797
Daily Statistics
Gage height, feet	2015-04-09	2025-11-24	3740
Monthly Statistics
Gage height, feet	2015-04	2025-11
Annual Statistics
Gage height, feet	2015	2026
Field measurements	2015-04-27	2015-04-27	1
Water-Year Summary	2015	2025	11
Revisions	Loading...

OPERATION:: Record for this site is maintained by the USGS Illinois Water Science Center; Email questions about this site to Illinois Water Science Center Water-Data Inquiries

U.S. Department of the Interior | U.S. Geological Survey
Title: NWIS Site Information for USA: Site Inventory
URL: https://waterdata.usgs.gov/nwis/inventory?

Page Contact Information: Illinois Water Data Support Team
Page Last Modified: 2026-01-22 03:08:53 EST
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