Liberte Environmental Associates

Total Maximum Daily Loads (TMDLs)
Affecting Water Quality


Selected Final TMDLs - Issued by Oregon Department of Environmental Quality

This list is based on final TMDLs permits as they are made available to us by regulatory agencies and is not all inclusive.


Tualatin River Subbasin Final 2012 TMDL, DEQ August 28, 2012. This TMDL is provisional because EPA has not provided its final approval.

Previous Tualatin River Subbasin Final 2001 TMDL.

Upper Klamath and Lost River Subbasin Final 2010 TMDL, DEQ December 21, 2010. This TMDL is provisional because EPA has not provided its final approval.

Willamette River Subbasin Final TMDL finalized September 2006.



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