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SWMACC Development Services

Rules & Specifications | Administrative Procedures | Stormwater Management | Erosion Control | General Resources | WES Home

**If you are looking for Development Services for Clackamas County Service District No. 1 click here.**

Design Specification:
Water Environment Services (WES), on behalf of the Surface Water Agency of Clackamas County, oversees stormwater and erosion control plan review and permitting services for development activity within the service district.  WES plan review and permitting process is integrated as part of the Clackamas County and Rivergrove land-use and permitting processes.  WES reviews and approves storm and erosion control plans for development activities such as:

Below are WES resource links to assist the design professional with the design of stormwater management and erosion control plans.

Stormwater Management (SWM)

Erosion Control

General Resources

If you have any question regarding WES Development Services please email Don Kemp, Development Review Supervisor at or phone (503) 742-4577.


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Water Environment Services

Development Services Building

Contact Us

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

(503) 742-4567

Monday - Thursday 7:30 am - 5:30 pm