Design & Construction Standards

Design & Construction Standards CoverClean Water Services Design and Construction Standards describe the administrative and technical requirements for the design and construction of residential or commercially developed sanitary and surface water management systems, erosion control methods and vegetated corridors.

Design & Construction Standards Update

On August 21, 2012 Clean Water Services' Board of Commissioners authorized staff to begin the revision process for the Design and Construction Standards and charged the Clean Water Advisory Commission (CWAC) to review and provide staff with comments on proposed changes to the Standards. To learn more about the update process, view proposed revisions (as they become available) and check up on the latest news, visit the Design and Construction Standards Update webpage.

Low Impact Development Approaches Handbook

Clean Water Services and its partners completed the Low Impact Development Approaches (LIDA) Handbook to promote sustainable development practices for the Tualatin River Watershed in 2009. The LIDA Handbook is a supplement to the Clean Water Services' Design and Construction Standards and is to be used in conjunction with the Standards, other applicable regulations and local codes. To learn more, click the link below.

Permits & Development

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