GLENMORRIE COOPERATIVE ASSN
Oregon - Community Water System - PWSID: OR4100459
System Information
| PWSID | OR4100459 |
| System Name | GLENMORRIE COOPERATIVE ASSN |
| 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 | LAKE OSWEGO |
| ZIP Code | 97034 |
| Address | P.O. BOX 327 |
| Organization | GLENMORRIE COOPERATIVE ASSN |
| Phone | 503-317-6176 |
Population & Service
| Population Served | 300 |
| Service Connections | 146 |
Drinking Water Violations (22)
This water system has 22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Archived | Dec 31, 2025 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Jul 24, 2024 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Feb 5, 2024 | - | |
| Oct 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Sep 16, 2020 | - | |
| Nov 1, 2010 | - | MR | No | Yes | - | - | - | Resolved | Jan 11, 2011 | - | |
| Nov 1, 2010 | - | MR | No | Yes | - | - | - | Resolved | Jan 11, 2011 | - | |
| Aug 1, 2006 | Aug 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2006 | - | |
| Jan 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Dec 25, 2010 | - | |
| Jan 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Dec 25, 2010 | - | |
| Jan 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Dec 25, 2010 | - | |
| Jan 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Dec 25, 2010 | - | |
| Oct 19, 1999 | - | Other | No | No | - | - | - | Resolved | Jul 3, 2000 | - | |
| Dec 1, 1992 | Dec 31, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1992 | - | |
| Dec 1, 1992 | Dec 31, 1992 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 1992 | - | |
| Dec 1, 1991 | Dec 31, 1991 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1991 | - | |
| Dec 1, 1991 | Dec 31, 1991 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 1991 | - | |
| Nov 1, 1991 | Nov 30, 1991 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1991 | - | |
| Nov 1, 1991 | Nov 30, 1991 | MR | No | Yes | - | 5% of samples | - | Archived | Nov 30, 1991 | - | |
| 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 | - | - | - | - | - | - |
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.