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  2025-11-19
2022-07-19  2025-08-06
1986-09-03  2026-02-01
2007-10-01  2026-02-01
2022-04-08  2025-11-19
2022-04-08  2025-11-19
2022-04-08  2025-11-19
2022-04-08  2025-11-19
2022-05-12  2025-11-19







 (7)
 
  -- or --

 

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

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

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

Discharge, cubic feet per second
Most recent instantaneous value: Eqp 02-01-2026   07:45 CST
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Feb 1 based on 81 water years of record more
Most Recent
Instantaneous
Value Feb 1		 Min
(1963)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2002)
-- unavailable -- 5.40 68 230 465 490 4170

Gage height, feet
Most recent instantaneous value: Eqp 02-01-2026   07:45 CST
Graph of Gage height, feet

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Dissolved oxygen, water, unfiltered, milligrams per liter
 
-- Data temporarily unavailable for the time period specified --

pH, water, unfiltered, field, standard units
 
-- Data temporarily unavailable for the time period specified --

Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)
 
-- Data temporarily unavailable for the time period specified --

Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen
 
-- Data temporarily unavailable for the time period specified --