Design & Construction Standards
Clean Water Services Design and Construction Standards describe the administrative and technical requirements for the design and construction of sanitary and surface water management systems that are built as part of residential or commercial development.
Chapter 4 Updates on July 28, 2009 for Low Impact Development Approaches
On July 28, 2009 minor updates were made to Chapter 4 of the Design and Construction Standards relating to Low Impact Development Approaches.
To request a CD of the complete Design and Construction Standards for $10.00, please call (503) 681-5100.
- These Standards are in effect for all development and construction permit applications received on or after June 1, 2007.