WEST LINN, CITY OF
Oregon — Community Water System — PWSID: OR4100944
System Information
| PWSID | OR4100944 |
| System Name | WEST LINN, CITY OF |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 12, 1979 |
| Last Reported | Dec 23, 2025 |
Location & Contact
| State | Oregon |
| City | WEST LINN |
| ZIP Code | 97068 |
| Address | 4100 NORFOLK ST |
| Organization | WEST LINN, CITY OF |
| Phone | 503-742-6083 |
Population & Service
| Population Served | 28,000 |
| Service Connections | 9,400 |
Drinking Water Violations (4)
This water system has 4 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2016 | Sep 30, 2016 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2016 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2016 | Sep 30, 2016 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2016 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jun 1, 1995 | Jun 30, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1995 | Total Coliform Rule |
| May 1, 1995 | May 31, 1995 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1995 | Total Coliform Rule |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.