Public Works

According to Oregon drinking water regulations, the City of West Linn must require annual testing of the backflow prevention assemblies the community is relying on to protect the public water system. These tests must be performed no later than July 1st of each year. Certified Backflow Assembly Testers can be found at https://yourwater.oregon.gov/backflow.php

The Sanitary Sewer Master Plan was authorized by the City to address the needs of the sanitary sewer system over the next 20 years. It is designed to help in establishing a capital improvement and capital maintenance plan for the sanitary sewer system. The report provides descriptions of the recommended improvements and an opinion of probable project cost for each item. The most current plan update was completed in September 2019.

The Water Master Plan is designed to address the needs of the Water system over the next 20 years. It is designed to help in establishing a capital improvement and capital maintenance plan for the water system. The report provides descriptions of the recommended improvements and an opinion of probable project cost for each item.
 

The Water System Master Plan was last updated in the summer of 2024 and is linked below.

The third component of the City's Public Works Standards, the Standard Drawings, provide illustration and visual details for all design and construction professionals who are working with infrastructure within city limits.

The second component of the City's Public Works Standards, the Standard Construction Specifications, provide material specifications, testing techniques, and information about construction techniques  for contractors, builders, and other construction professionals who are installing infrastructure within city limits.

The first component of the City's Public Works Standards, the Design Standards, provide design  criteria and instructions for engineers, consultants, and other design professionals who are designing infrastructure within city limits.

Update: As of January 1st, 2025 we will be amending our water meter sizing standards to more closely align with the 2023 Oregon Plumbing Specialty Code.  Fixture unit loading values will not change from previous evaluation methods, but the determination of minimum size requirements will now be based off of the full scope of Table 610.4.   Meter and Building supply sizing will be based directly off of the respective columns, as written in table 610.4.

Most street lights in West Linn are owned and operated by PGE. The City of West Linn pays for electricity for the street lights. To report an outage or problem with a street light in your neighborhood, use the link below to report it online to PGE.

If you need to speak with someone with the City of West Linn, please contact Public Works at 503-656-6081.

For sites less than 1 acre, submit your erosion control plan with your building permit application.

For sites greater than 1 acre download and complete an erosion control permit below.

For site greater than 5 acres, in addition to the City erosion control permit below, please apply for a 1200C permit with the Oregon Department of Environmental Quality.  For more information about that program, please go to: DEQ 1200C program.

Please direct questions to 503-722-5500.