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

2019 CY Illinois River Water Quality Report to the Arkansas-Oklahoma Arkansas River Compact Commission

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Illinois River watershed in Arkansas and Oklahoma



Oklahoma delivered its Illinois River Water Quality Monitoring Report to the Arkansas-Oklahoma Arkansas River Compact Commission on September 24, 2020 in a virtual meeting dur to the coronavirus.


 
The report shows that phosphorus loading of the Illinois River and its tributaries, Barren Fork Creek and Flint Creek, has increased dramatically (by 63-percent at Tahlequah, Oklahoma).


 
Oklahoma's phosphorus limit of 0.037 mg/L, adopted in 2020, was exceeded greatly at the state border at Watts, Oklahoma and downstream at Tahlequah.


 
Read Oklahoma's 2020 Illinois River report here.



Read Arkansas' 2020 Illinois River report here.






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