USGS 05558300 ILLINOIS RIVER AT HENRY, 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

This station managed by the Urbana Field Office.

Available Parameters Available Period
  
2018-06-06  2026-03-10
1990-08-30  2026-03-10
2007-10-01  2026-03-10
2018-06-06  2026-03-10
2018-06-06  2026-03-10
2025-11-10  2026-03-10
2018-06-06  2026-03-10
2018-06-06  2026-03-10
2020-10-28  2026-03-10
2022-08-03  2026-03-10
2007-10-01  2026-03-10
2022-03-23  2026-03-10







 (7)
 

  -- or --

 


 

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


Temperature, water, degrees Celsius, YSI

Most recent instantaneous value: 12.3 03-10-2026   16:45 CST
Graph of  Temperature, water, degrees Celsius

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, YSI

Most recent instantaneous value: 1220 03-10-2026   16:45 CST
Graph of  Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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Dissolved oxygen, water, unfiltered, milligrams per liter, YSI

Most recent instantaneous value: Eqp 03-10-2026   16:45 CST
Graph of  Dissolved oxygen, water, unfiltered, milligrams per liter

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pH, water, unfiltered, field, standard units, YSI

Most recent instantaneous value: 8.3 03-10-2026   16:45 CST
Graph of  pH, water, unfiltered, field, standard units

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