Protecting Oregon's Environment
Oregon State Seal
 Oregon Department of Environmental Quality

Water Quality

Onsite Wastewater Management Program (Septic Systems)

Oregon County Map:  Onsite Offices by County

Click on a county to display information on the Onsite Sewage Treatment and disposal Program office for that county.

Clatsop County Douglas County Coos County Josephine County Lake County Harney County Gilliam County Morrow County Umatilla County Wallowa County Union County Baker County Grant County Wheeler County Columbia County Tillamook County Washington County Malheur County Curry County Jackson County Klamath County Crook County Deschutes County Lane County Yamhill County Multnomah County Hood River County Wasco County Sherman County Jefferson County Clackamas County Marion County Linn County Polk County Benton County Lincoln County

 
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Oregon Department of Environmental Quality
Headquarters: 811 SW Sixth Ave., Portland, OR 97204-1390
Phone: 503-229-5696 or toll free in Oregon 1-800-452-4011
Oregon Telecommunications Relay Service: 1-800-735-2900  FAX: 503-229-6124

The Oregon Department of Environmental Quality is a regulatory agency authorized to protect Oregon's environment by
the State of Oregon and the Environmental Protection Agency.

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