USGS 05567500 MACKINAW RIVER NEAR CONGERVILLE, 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

NWS River Forecasts
This station managed by the Urbana Field Office.

Available Parameters Available Period
  
2022-04-08  2025-06-30
2022-07-19  2025-01-07
1986-09-03  2025-06-30
2007-10-01  2025-06-30
2022-04-08  2025-06-30
2022-04-08  2025-06-30
2022-04-08  2025-06-30
2022-04-08  2025-06-30
2022-05-12  2025-06-30







 (40)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 27.2 06-30-2025   22:00 CST
Graph of Temperature, water, degrees Celsius

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Temperature, air, degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Discharge, cubic feet per second
Most recent instantaneous value: 223 06-30-2025   22:45 CST
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jul 1 based on 80 water years of record more
Most Recent
Instantaneous
Value Jul 1		 Min
(1963)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1990)
-- unavailable -- 4.60 122 291 580 766 4990

Gage height, feet
Most recent instantaneous value: 1.75 06-30-2025   22:45 CST
Graph of Gage height, feet

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 700 06-30-2025   22:00 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
Most recent instantaneous value: 6.8 06-30-2025   22:00 CST
Graph of Dissolved oxygen, water, unfiltered, milligrams per liter

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pH, water, unfiltered, field, standard units
Most recent instantaneous value: 8.2 06-30-2025   22:00 CST
Graph of pH, water, unfiltered, field, standard units

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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)
Most recent instantaneous value: 12.4 06-30-2025   22:00 CST
Graph of Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)

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Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen
Most recent instantaneous value: 9.1 06-30-2025   22:00 CST
Graph of Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen

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