USGS 05599490 BIG MUDDY RIVER AT RTE 127 AT MURPHYSBORO, 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
St. Louis District - St. Louis, Missouri

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 Mt. Vernon Field Office.

Available Parameters Available Period
  
2015-10-24  2026-01-09
2007-10-01  2026-01-09
2007-10-01  2026-01-09
2015-11-06  2026-01-09
2015-10-24  2026-01-09
2015-10-24  2026-01-09
2015-10-23  2019-07-23
2015-10-24  2021-10-06
2015-10-22  2026-01-09
2007-10-01  2026-01-09
2015-10-22  2026-01-09
2015-10-22  2026-01-09







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 7.6 01-09-2026   18:00 CST
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Discharge, cubic feet per second
Most recent instantaneous value: 51.0 01-09-2026   18:30 CST
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jan 9 based on 54 water years of record more
Most Recent
Instantaneous
Value Jan 9		 Min
(1977)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2005)
51.0 77.0 354 1570 2700 3730 11800

Gage height, feet
Most recent instantaneous value: 3.55 01-09-2026   19:00 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: 1060 01-09-2026   18:00 CST
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Dissolved oxygen, water, unfiltered, milligrams per liter
Most recent instantaneous value: 13.7 01-09-2026   18:00 CST
Graph of Dissolved oxygen, water, unfiltered, milligrams per liter

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pH, water, unfiltered, field, standard units
Most recent instantaneous value: 7.9 01-09-2026   18:00 CST
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Orthophosphate, water, in situ, milligrams per liter as phosphorus
 
-- 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), (HACH)
Most recent instantaneous value: 24.8 01-09-2026   18:00 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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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), (YSI), [Discontinued 10/6/21]
 
-- Data temporarily unavailable for the time period specified --

Water velocity reading from field sensor, feet per second
Most recent instantaneous value: 0.12 01-09-2026   19:00 CST
Graph of Water velocity reading from field sensor, feet per second

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Nitrate plus nitrite, water, unfiltered, pounds of nitrogen per day
Most recent instantaneous value: 459 01-09-2026   18:00 CST
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Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen
Most recent instantaneous value: 0.9 01-09-2026   18:00 CST
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