Land Use Statement
Certain plan review approvals for drinking water projects affect land use with city and county comprehensive plans and land use regulations.
Plan Review Exemption
Plan review exemption for water main extensions may be available for some community water systems.
Project Final Approval Request Form
To close out a project and request final approval from DWS, fill out the
request form and email it to the appropriate DWS plan review engineer.
Construction Standards (OAR-333-061-0050) and NSF/ANSI Certified Chemicals and Products
Oregon Administrative Rules 333-061-0050 specifies the standards for construction of new public water systems and major additions and modifications to existing public water systems. Also included here is a list of websites you can use to check whether products are certified to NSF/ANSI standards for drinking water applications.
Waiver from Construction Standards
As provided under
OAR 333-061-0055 (end of page 26), Drinking Water Services may grant waivers from construction standards under some conditions. The construction standards waiver application is available as a
fillable MS Word or
UV, Membrane, and Cartridge/Bag - Verified Models
Drinking Water Services reviews validation tests and challenge studies from vendors of UV, membrane and cartridge/bag technologies in order to determine if they are compliant with U.S. Environmental Protection Agency Long-Term 2 Enhanced Surface Water Treatment Rule (LT2) criteria. Lists of reviewed and verified models are provided below: