Services Departments Government

Tri-City Water Pollution Control Plant

Water Environment Services

Water Environment Services provides wastewater collection & treatment and water quality enhancement services for Clackamas County communities.

Report A SpillSewer ServiceSurface waterSeptic systemsPay your utility bill onlineDevelopment Services

Septic and Onsite Wastewater program has moved

Our program that reviews septic and onsite wastewater systems has moved to the Clackamas County Department of Transportation & Development. You shouldn't notice much of a difference, as we are still available on the second floor of the county Development Services building. Phone numbers and email remain the same.

Latest news

Wastewater Treatment Capacity Shortage

A Solid Plan for the Future

It's a problem that threatens economic growth, quality of life, and river health in Clackamas County. County Commissioners and Water Environment Services (WES) are working on a plan with their partner cities and unincorporated North Clackamas County to overcome a wastewater treatment capacity shortage. The goal is to reach a timely and affordable solution for North Clackamas County's pressing need.

Read Chair Ludlow’s letter to local city councilors

Read "Shared sewer costs benefit everyone" by County Administrator Don Krupp.

Press releases and public notices

Get involved

Public meeting packets and archives

Regional Wastewater Treatment Capacity Advisory Committee Meeting – Aug. 25, 2016 (video)

Read the recent WES Newsletter


Bids and requests for proposals

Open county bids & RFPs

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Water Environment Services

Development Services Building

Contact Us

Water Environment Services
150 Beavercreek Rd. Oregon City, OR 97045


Monday - Thursday
7:30 a.m. to 5:30 p.m.