THURSTON OAKS MHP
Oregon - Community Water System - PWSID: OR4100841
System Information
| PWSID | OR4100841 |
| System Name | THURSTON OAKS MHP |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 12, 1979 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | PORTLAND |
| ZIP Code | 97224 |
| Address | 18150 SW BOONES FERRY RD |
| Organization | THURSTON OAKS MHP |
| Phone | 503-372-9748 |
Population & Service
| Population Served | 38 |
| Service Connections | 21 |
Drinking Water Violations (35)
This water system has 35 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2025 | Nov 30, 2025 | MR | No | Yes | - | - | - | Archived | Nov 30, 2025 | - | |
| Oct 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Oct 1, 2025 | Oct 31, 2025 | MR | No | Yes | - | - | - | Archived | Oct 31, 2025 | - | |
| Aug 1, 2025 | Aug 31, 2025 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2025 | Jul 31, 2025 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2025 | - | |
| Oct 1, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Aug 7, 2023 | - | |
| Oct 1, 2000 | - | Other | No | No | - | - | - | Resolved | Aug 9, 2004 | - | |
| Jul 1, 2000 | - | Other | No | No | - | - | - | Resolved | Aug 9, 2004 | - | |
| Jan 1, 1999 | Dec 31, 2001 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2001 | - | |
| Nov 1, 1996 | Nov 30, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1996 | - | |
| Nov 1, 1996 | Nov 30, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1996 | - | |
| Mar 1, 1996 | Mar 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Oct 1, 1995 | Oct 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1995 | - | |
| Sep 1, 1995 | Sep 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1995 | Jul 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1995 | - | |
| Jun 1, 1995 | Jun 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 1995 | - | |
| Mar 1, 1995 | Mar 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 1995 | - | |
| Mar 1, 1995 | Mar 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 1995 | - | |
| Dec 1, 1994 | Dec 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1994 | - | |
| Dec 1, 1994 | Dec 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1994 | - | |
| Sep 1, 1994 | Sep 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1994 | - | |
| Sep 1, 1994 | Sep 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1994 | - | |
| Jul 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Jul 10, 1995 | - | |
| Jul 1, 1993 | Jul 31, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1993 | - | |
| Jun 1, 1993 | Jun 30, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1993 | - | |
| Jun 1, 1976 | May 31, 1980 | MR | No | No | - | 15 pCi/L | - | Archived | May 31, 1980 | - | |
| Jun 1, 1976 | May 31, 1980 | MR | No | No | - | 5 pCi/L | - | Archived | May 31, 1980 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.