TILLAMOOK WATER DEPT, CITY OF
Oregon - Community Water System - PWSID: OR4100893
System Information
| PWSID | OR4100893 |
| System Name | TILLAMOOK WATER DEPT, CITY OF |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 12, 1979 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | TILLAMOOK |
| ZIP Code | 97141 |
| Address | 210 LAUREL AVE |
| Organization | TILLAMOOK WATER DEPT, CITY OF |
| Phone | 503-842-2343 |
Population & Service
| Population Served | 5,265 |
| Service Connections | 1,773 |
Drinking Water Violations (98)
This water system has 98 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, 2025 | - | Other | No | No | - | - | - | Resolved | Sep 4, 2025 | - | |
| Oct 29, 2023 | - | MR | No | Yes | - | - | - | Resolved | Jul 31, 2024 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Aug 24, 2023 | - | |
| Jan 1, 2023 | - | MR | No | No | - | TT | - | Resolved | May 3, 2023 | - | |
| Jan 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Apr 10, 2023 | - | |
| Jul 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Feb 8, 2023 | - | |
| Jul 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Nov 2, 2022 | - | |
| Jul 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Oct 4, 2022 | - | |
| Jul 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Sep 1, 2022 | - | |
| Jan 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Jun 9, 2022 | - | |
| Jan 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Jun 9, 2022 | - | |
| Jan 1, 2022 | - | MR | No | No | - | TT | - | Resolved | May 9, 2022 | - | |
| Jan 1, 2019 | Jan 31, 2019 | MR | No | Yes | - | - | - | Resolved | Jan 31, 2019 | - | |
| Jan 1, 2019 | Jan 31, 2019 | MR | No | Yes | - | - | - | Resolved | Jan 31, 2019 | - | |
| Jan 1, 2019 | Jan 31, 2019 | MR | No | Yes | - | - | - | Resolved | Jan 31, 2019 | - | |
| Oct 1, 2009 | Oct 31, 2009 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2009 | - | |
| Oct 1, 2009 | Oct 31, 2009 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2009 | - | |
| Oct 1, 2009 | Oct 31, 2009 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2009 | - | |
| Oct 1, 2009 | Oct 31, 2009 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.6 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 2009 | - |
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.