USGS Current Conditions for the Nation -- Water Quality

USGS Home
Contact USGS
Search USGS

National Water Information System: Web Interface

USGS Water Resources

Data Category:
Geographic Area:

Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our Next Generation Station Page here.

Click to hideNews Bulletins

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Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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
05587498	Mississippi River Pool Lock and Dam 26 at Alton,IL	416	20.3	6.2	7.9	05/24 08:00 CDT

Questions or Comments
Help

Data Tips
Explanation of terms
Subscribe for system changes

Accessibility FOIA Privacy Policies and Notices

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=07110009&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: 2025-05-24 09:18:44 EDT
0.93 0.81 sdww01

Current Conditions for the Nation -- Water Quality -- 1 site(s) found