USGS 05446500 ROCK RIVER NEAR JOSLIN, IL

PROVISIONAL DATA SUBJECT TO REVISION

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This site is operated in cooperation with the

Cooperator logo U.S. Army Corps of Engineers
Rock Island District - Rock Island, Illinois

and

Cooperator logo Illinois Environmental Protection Agency





NWS River Forecasts

Note: Provisional nitrate plus nitrite load values might not reflect updated discharge and/or nitrate plus nitrite concentration data.
This station managed by the De Kalb Field Office.

Available Parameters Available Period
  
2015-06-26  2020-12-18
1986-09-01  2025-10-28
2007-10-01  2025-10-28
2015-06-26  2020-12-18
2015-06-26  2020-12-18
2015-06-26  2020-12-18
2015-06-26  2017-04-21
2015-06-26  2020-12-18
2015-06-26  2025-10-28
2015-06-26  2025-10-28
2015-06-26  2025-10-28







 (7)
 
  -- or --

 

 
Summary of all available data for this site
Instantaneous-data availability statement

Discharge, cubic feet per second
Most recent instantaneous value: 3680 10-28-2025   07:45 CST
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Oct 28 based on 86 water years of record more
Min
(1957)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Oct 28		 Median Mean 75th
percen-
tile		 Max
(2019)
1370 2530 3680 4240 5350 7130 19400