Evaluation of Alternative Effluent Limits for Consistency with the Spokane River TMDL and Compliance with Washington Water Quality Standards

Issued May 31, 2011

“Ecology and EPA have evaluated modeling performed by LimnoTech on behalf of the Spokane River Stewardship Partners (SRSP) to determine whether it is equivalent with dissolved oxygen impacts contemplated by the Spokane River DO TMDL, specifically Table 7. … As described in the May 18th report, the new scenario is equivalent to the scenario used to develop the Spokane TMDL…”

Final EPA-Ecology Basis for Equivalence, May 2011