Services Departments Government

Development Services

We administer sanitary sewer, surface water management, and erosion control programs in urban areas of Clackamas County.

Erosion controlFees

Plan review and permitting

Plan review and permitting are part of the broader land use and permitting process in unincorporated Clackamas County, City of Happy Valley and Rivergrove. We review and approve all public and private sanitary, storm, and erosion control plans for development activities such as:

Planning process and resources

Pre-Application meeting

We coordinate development activities with Clackamas County Planning and the cities of Happy Valley and Rivergrove. We can assist property owners and the development community with:

For additional information about the Pre-Application meeting, please contact the appropriate planning department.

Planning departments

Clackamas County, Happy Valley and Rivergrove Planning departments offer assistance to property owners, developers and contractors to gather information about site development requirements, land use, and permitting processes.


We oversee the construction standards for sanitary and stormwater systems. The standards outline the requirements to get the necessary permits for development activities.

Erosion control

You'll need the following erosion control permits based on location and area to be disturbed:

More information about erosion control.

Rules and regulations

Fees and forms

Design tools


Don Kemp, Development Review Supervisor

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.