West Linn water and sewer rates
Who supplies water to West Linn houses, what it costs, and how the sewer charge works.
City of West Linn
City of West Linn, monthly, effective January 1, 2026: $33.30 base for a 5/8" x 3/4" meter, which includes the first 7 CCF (700 cubic feet), plus $3.83 per CCF over 7
| Use a month | Price per unit (CCF, 748 gallons) |
|---|---|
| Fixed charge | $33.30 a month |
| 0 to 7 units | $0.00 |
| 7 to more | $3.83 |
- Source
- Lower Clackamas River water, treated by South Fork Water Board
- Hardness
- 24 ppm total hardness, sampled February 11, 2025
- Lead
- Lead was not detected (ND) in the 2024 90th-percentile sampling; 0 of 30 sites were above the 15 ppb action level
- Disinfection byproducts
- 2025: total trihalomethanes 26 ppb (limit 80) and haloacetic acids 22 ppb (limit 60), no violation
Sewer
City of West Linn sewer collection is $29.20 a month from January 1, 2026, plus the Tri-City Service District pass-through of $32.30 a month from July 1, 2026.
Other charges on the utility bill
- Surface water management: $10.01 a month
- Single-family street maintenance (roadway) fee: $19.46 a month
- Single-family park maintenance fee: $30.03 a month
Sources
Checked October 22, 2026. Every number here comes from the public sources listed, matched by our checker.
Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.