MONMOUTH, CITY OF
Oregon - Community Water System - PWSID: OR4100537
System Information
| PWSID | OR4100537 |
| System Name | MONMOUTH, CITY OF |
| System Type | Community Water System |
| Water Source | Ground Water Under Influence |
| 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 | MONMOUTH |
| ZIP Code | 97361 |
| Address | 151 W MAIN ST |
| Organization | MONMOUTH, CITY OF |
| Phone | 503-838-2173 |
Population & Service
| Population Served | 11,651 |
| Service Connections | 3,027 |
Drinking Water Violations (33)
This water system has 33 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, 2023 | Mar 31, 2023 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Mar 31, 2023 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | No | - | - | - | Resolved | Aug 31, 2021 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2021 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2021 | - | |
| Jul 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Oct 7, 2021 | - | |
| Apr 1, 2020 | Apr 30, 2020 | MR | No | Yes | - | - | - | Resolved | Apr 30, 2020 | - | |
| Apr 1, 2020 | Apr 30, 2020 | MR | No | Yes | - | - | - | Resolved | Apr 30, 2020 | - | |
| Jan 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Jun 1, 2020 | - | |
| Nov 2, 2015 | - | TT | Yes | No | - | - | - | Resolved | Feb 22, 2019 | - | |
| Nov 2, 2015 | - | TT | Yes | No | - | - | - | Resolved | Feb 22, 2019 | - | |
| Feb 1, 2014 | Feb 28, 2014 | MR | No | Yes | - | - | - | Resolved | Feb 28, 2014 | - | |
| Jan 1, 2014 | Sep 30, 2014 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2014 | - | |
| Jan 1, 2014 | Sep 30, 2014 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2014 | - | |
| Jan 1, 2013 | Jan 31, 2013 | MR | No | Yes | - | - | - | Resolved | Jan 31, 2013 | - | |
| Jan 1, 2013 | Jan 31, 2013 | MR | No | Yes | - | - | - | Resolved | Jan 31, 2013 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2008 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MCL | Yes | No | 12.1 MG/L | 10 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 2000 | Dec 31, 2000 | MCL | Yes | No | 12.1 MG/L | 10 mg/L | - | Resolved | Dec 31, 2000 | - | |
| Dec 1, 1998 | Dec 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1998 | - | |
| Dec 1, 1998 | Dec 31, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1998 | - | |
| Dec 1, 1998 | Dec 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1998 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1995 | - | |
| 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 | - | |
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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.