USGS Current Conditions for the Nation -- Water Quality

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Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024
with a full decommission expected 6 months later. Learn more about the upcoming change and where to find the new samples data in our blog.

Station Number	Station name	Specif- ic conduc- tance, wat unf uS/cm @ 25 degC	Temper- ature, water, deg C	Dis- solved oxygen, mg/L	pH, water, unfltrd field, std units	Date/Time
Ogle County, Illinois
05440700	ROCK RIVER AT BYRON, IL	--	27.0	--	--	07/08 18:15 CST
Rock Island County, Illinois
05446500	ROCK RIVER NEAR JOSLIN, IL	--	1.1	--	--	12/18 11:30 CST

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U.S. Department of the Interior | U.S. Geological Survey
Title: USGS Current Conditions for the Nation
URL: https://waterdata.usgs.gov/nwis/current?
huc_cd=07090005&sort_key=site_no&group_key=county_cd&
sitefile_output_format=station_list&PARAmeter_cd=STATION_NM,00095,00010,00300,00400,DATETIME
Page Contact Information: USGS Water Data Support Team
Page Last Modified: 2025-07-08 20:42:20 EDT
1.88 1.72 vaww02

Current Conditions for the Nation -- Water Quality -- 2 site(s) found