Liberte Environmental Associates

NPDES Permits Potentially Affecting Water Quality


Final NPDES Wastewater Permit Documents -
Issued by Oregon Department of Environmental Quality (DEQ)

This alphabetized list consists of permit documents made available by Oregon DEQ and is not all inclusive.
All documents are PDF except where indicated. STP indicates sewage treatment plant.

Albany STP

Ashland STP

Astoria STP
Mixing Zone (MZ) dimensions and discussion provided.

NPDES Permit Renewed for the Astoria Sewage Treatment Plant (STP) through October 2016.

Aurora STP

Bandon STP

Bonneville STP

Brookings STP
Mixing Zone (MZ) dimensions and discussion provided.

NPDES Permit Renewed for the Brookings Sewage Treatment Plant (STP) through October 2016.

Brownsville STP

Canby STP
Mixing Zone (MZ) dimensions and discussion provided. Links to Willamette River Subbasins Total Maximum Daily Loads (TMDL)

Cannon Beach STP
Mixing Zone (MZ) dimensions and discussion provided.

Carlton STP

Cascade Locks STP

Clatskanie STP

Coos Bay STP

Coquille STP

Corvallis STP

Cottage Grove STP

Creswell STP

Dallas STP

Dayton STP

Depoe Bay STP

Drain STP

Dundee STP

Durham STP
Mixing Zone (MZ) dimensions and discussion provided. Links to Tualatin River Subbasins Total Maximum Daily Loads (TMDL)

Eugene-Springfield STP (MWMC)

Florence STP

Forest Grove STP
Mixing Zone (MZ) dimensions and discussion provided. Links to Tualatin River Subbasins Total Maximum Daily Loads (TMDL)

Garibaldi STP
Mixing Zone (MZ) dimensions and discussion provided.

Gold Beach STP

Grants Pass STP

Gresham STP

Harrisburg STP

Hebo STP

Hillsboro STP
Mixing Zone (MZ) dimensions and discussion provided. Links to Tualatin River Subbasins Total Maximum Daily Loads (TMDL)

Hood River STP

Independence STP

Jefferson STP

Junction City STP

Kellogg STP

Lafayette STP

Lakeside STP

Lincoln City STP

McMinnville STP

Medford STP

Molalla STP

Monmouth STP

Mosier STP

Mt. Angel STP

Myrtle Point STP

Nehalem STP

Newberg STP
Mixing Zone (MZ) dimensions and discussion provided.

Newport STP

North Bend STP

Oak Lodge SD STP

Pacific City STP
Mixing Zone (MZ) dimensions and discussion provided.

NPDES Permit Renewed for the Pacific City STP, a.k.a., Pacific City Joint Water-Sanitary Authority (PCJWSA), through October 2016.

Portland STP (CBWTP)

Port Orford STP

Powers STP

Rainier STP

Reedsport STP

Rock Creek STP
Mixing Zone (MZ) dimensions and discussion provided. Links to Tualatin River Subbasins Total Maximum Daily Loads (TMDL)

Roseburg STP

Salem STP
Mixing Zone (MZ) dimensions and discussion provided.

Scappoose STP

Seaside STP

Silverton STP

St. Helens STP

The Dalles STP

Tillamook STP

Tri-City STP

Troutdale STP

Tryon Creek STP
Mixing Zone (MZ) dimensions and discussion provided. Links to Willamette River Subbasins Total Maximum Daily Loads (TMDL)

Waldport STP

Warrenton STP

Westport STP

Wilsonville STP
Mixing Zone (MZ) dimensions and discussion provided.

Woodburn STP

Yachats STP

Yamhill STP


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