PORT OF TILLAMOOK BAY
Oregon — Community Water System — PWSID: OR4101329
System Information
| PWSID | OR4101329 |
| System Name | PORT OF TILLAMOOK BAY |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jun 26, 1985 |
| Last Reported | Dec 23, 2025 |
Location & Contact
| State | Oregon |
| City | TILLAMOOK |
| ZIP Code | 97141 |
| Address | 4000 BLIMP BLVD STE 100 |
| Organization | PORT OF TILLAMOOK BAY |
| Phone | 503-842-2413 |
Population & Service
| Population Served | 250 |
| Service Connections | 55 |
Drinking Water Violations (21)
This water system has 21 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 1, 2025 | Feb 28, 2025 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Feb 28, 2025 | Revised Total Coliform Rule |
| Mar 1, 2024 | Mar 31, 2024 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Mar 31, 2024 | Revised Total Coliform Rule |
| Jan 1, 2015 | Dec 31, 2015 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2015 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2015 | Dec 31, 2015 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2015 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Mar 1, 2010 | Mar 31, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2010 | Total Coliform Rule |
| Mar 1, 2010 | Mar 31, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2010 | Total Coliform Rule |
| Jan 1, 2007 | Dec 31, 2007 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2007 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2007 | Dec 31, 2007 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2007 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Dec 1, 2004 | Dec 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2004 | Total Coliform Rule |
| Nov 1, 2003 | Nov 30, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2003 | Total Coliform Rule |
| Mar 1, 2002 | Mar 31, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2002 | Total Coliform Rule |
| Jun 1, 1995 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | May 4, 2000 | Lead and Copper Rule |
| Jun 1, 1995 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | May 4, 2000 | Lead and Copper Rule |
| Oct 1, 1994 | Oct 31, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1994 | Total Coliform Rule |
| Aug 1, 1994 | Aug 31, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1994 | Total Coliform Rule |
| Jul 1, 1994 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 4, 1995 | Lead and Copper Rule |
| Jul 1, 1994 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 4, 1995 | Lead and Copper Rule |
| Jul 1, 1994 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 4, 1995 | Lead and Copper Rule |
| Jan 1, 1994 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Mar 6, 1995 | Lead and Copper Rule |
| Jan 1, 1994 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Mar 6, 1995 | Lead and Copper Rule |
| Aug 1, 1993 | Aug 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1993 | 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.