USGS Current Conditions for USGS 05446500 ROCK RIVER NEAR JOSLIN, IL x

USGS 05446500 ROCK RIVER NEAR JOSLIN, IL

PROVISIONAL DATA SUBJECT TO REVISION

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This site is operated in cooperation with the

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

and

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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
All 11 Available Parameters for this site
00010 Temperature, water	2015-06-26	2020-12-18
00060 Discharge	1986-09-01	2026-01-19
00065 Gage height	2007-10-01	2026-01-19
00095 Specific cond at 25C [Discontinued 12/18/20]	2015-06-26	2020-12-18
00300 Dissolved oxygen [Discontinued 12/18/20]	2015-06-26	2020-12-18
00400 pH [Discontinued 12/18/20]	2015-06-26	2020-12-18
51289 OrthoPO4, in situ	2015-06-26	2017-04-21
63680 Turbidity, Form Neph, (YSI) [Discontinued 12/18/20]	2015-06-26	2020-12-18
63680 Turbidity, Form Neph	2015-06-26	2026-01-19
91049 NO3+NO2, wu	2015-06-26	2026-01-19
99133 NO3+NO2,water,insitu	2015-06-26	2026-01-19

Days (7)

-- or --
Begin date

End date

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

Temperature, water, degrees Celsius

-- Data temporarily unavailable for the time period specified --

Discharge, cubic feet per second

Most recent instantaneous value: 8590 01-19-2026 04:45 CST

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**Daily discharge, cubic feet per second -- statistics for Jan 19 based on 86 water years of record more**
Min (1940)	25th percen- tile	Median	Mean	75th percen- tile	Most Recent Instantaneous Value Jan 19	Max (1960)
1150	3100	4450	5610	6770	8590	23200

Gage height, feet

Most recent instantaneous value: 7.78 01-19-2026 04:45 CST

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, [Discontinued 12/18/20]

-- Data temporarily unavailable for the time period specified --

Dissolved oxygen, water, unfiltered, milligrams per liter, [Discontinued 12/18/20]

-- Data temporarily unavailable for the time period specified --

pH, water, unfiltered, field, standard units, [Discontinued 12/18/20]

-- Data temporarily unavailable for the time period specified --

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)

-- 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), (YSI), [Discontinued 12/18/20]

-- Data temporarily unavailable for the time period specified --

Nitrate plus nitrite, water, unfiltered, pounds of nitrogen per day

-- 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 --