Save the Illinois River, Inc.
24369 E 757 Rd.
Tahlequah, OK 74464-1949
(918) 284-9440

Oklahoma 2018 Integrated Water Quality Report to EPA Showing Impaired Water Bodies

States are required to report water quality data to the U.S. EPA.  The Oklahoma Department of Environmental Quality submitted the 2018 report showing impaired water bodies including those in the Illinois River watershed.


At this time, Oklahoma has prepared an updated report for 2022 and it is awaiting approval.  It will be posted in Resources when available.






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