STEWARTS ADDITION
Oregon - Community Water System - PWSID: OR4100619
System Information
| PWSID | OR4100619 |
| System Name | STEWARTS ADDITION |
| 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 | PENDLETON |
| ZIP Code | 97801 |
| Address | 71065 SW DOUGLAS DR |
| Organization | STEWARTS ADDITION |
| Phone | 541-215-3116 |
Population & Service
| Population Served | 50 |
| Service Connections | 16 |
Drinking Water Violations (30)
This water system has 30 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Oct 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Sep 1, 2025 | Sep 30, 2025 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2023 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jan 1, 2017 | Dec 31, 2025 | MR | No | Yes | - | 15 pCi/L | - | Archived | Dec 31, 2025 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2008 | Sep 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Oct 19, 2004 | - | Other | No | No | - | - | - | Resolved | Nov 24, 2006 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Nov 24, 2006 | - | |
| Jan 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jul 7, 2004 | - | |
| Jan 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jul 7, 2004 | - | |
| Oct 19, 2003 | - | Other | No | No | - | - | - | Resolved | Nov 24, 2006 | - | |
| Jul 1, 2003 | - | Other | No | No | - | - | - | Resolved | Nov 24, 2006 | - | |
| Jan 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Jul 7, 2004 | - | |
| Jan 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Jul 7, 2004 | - | |
| Oct 19, 2002 | - | Other | No | No | - | - | - | Resolved | Nov 24, 2006 | - | |
| Jul 1, 2002 | - | Other | No | No | - | - | - | Resolved | Nov 24, 2006 | - | |
| Oct 19, 2001 | - | Other | No | No | - | - | - | Resolved | Nov 24, 2006 | - | |
| Jul 1, 2001 | - | Other | No | No | - | - | - | Resolved | Nov 24, 2006 | - | |
| Jul 1, 2001 | - | Other | No | No | - | - | - | Resolved | Nov 24, 2006 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2000 | - | |
| Sep 23, 1997 | - | MR | No | No | - | TT | - | Resolved | Jul 7, 2004 | - | |
| Jun 1, 1976 | May 31, 1980 | MR | No | No | - | 5 pCi/L | - | Archived | May 31, 1980 | - | |
| Jun 1, 1976 | May 31, 1980 | MR | No | No | - | 15 pCi/L | - | Archived | May 31, 1980 | - |
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.