USGS 05486000 North River near Norwalk, IA

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DESCRIPTION:: Latitude 41°27'29.2", Longitude 93°39'17.9" NAD83; Warren County, Iowa, Hydrologic Unit 07100008; Drainage area: 349 square miles; Datum of gage: 788.07 feet above NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations (availability statement)	1990-10-01	2025-12-15
Daily Data
Discharge, cubic feet per second	1940-02-28	2025-12-14	31337
Daily Statistics
Discharge, cubic feet per second	1940-02-28	2025-08-18	31219
Monthly Statistics
Discharge, cubic feet per second	1940-02	2025-08
Annual Statistics
Discharge, cubic feet per second	1940	2025
Peak streamflow	1940-08-01	2024-07-03	85
Field measurements	1940-03-02	2025-08-19	997
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1945-04-17	2007-04-02	142
Water-Year Summary	2006	2024	19
Revisions	Loading...

OPERATION:: Record for this site is maintained by the USGS Iowa Water Science Center; Email questions about this site to Iowa 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: Iowa Water Data Support Team
Page Last Modified: 2025-12-15 23:29:44 EST
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