MOLALLA, CITY OF
Oregon - Community Water System - PWSID: OR4100534
System Information
| PWSID | OR4100534 |
| System Name | MOLALLA, CITY OF |
| System Type | Community Water System |
| Water Source | Surface Water |
| 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 | MOLALLA |
| ZIP Code | 97038 |
| Address | PO BOX 248 |
| Organization | MOLALLA, CITY OF |
| Phone | 503-759-0241 |
Population & Service
| Population Served | 10,298 |
| Service Connections | 2,938 |
Drinking Water Violations (38)
This water system has 38 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 | Jan 31, 2025 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2025 | - | |
| Jan 1, 2025 | Jan 31, 2025 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2025 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Apr 1, 2023 | Apr 30, 2023 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2023 | - | |
| Dec 1, 2014 | Dec 31, 2014 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2014 | - | |
| Dec 1, 2014 | Dec 31, 2014 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2014 | - | |
| Dec 1, 2014 | Dec 31, 2014 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2014 | - | |
| Dec 1, 2014 | Dec 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2014 | - | |
| Oct 1, 2014 | Dec 31, 2014 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2014 | - | |
| Oct 1, 2014 | Dec 31, 2014 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2014 | - | |
| Jul 1, 2011 | Jul 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2011 | - | |
| Jul 1, 2011 | Jul 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2011 | - | |
| Jan 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Nov 6, 2012 | - | |
| Jan 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Nov 6, 2012 | - | |
| Jan 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Nov 6, 2012 | - | |
| Dec 1, 2009 | Dec 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2009 | - | |
| Dec 1, 2009 | Dec 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2009 | - | |
| Dec 1, 2009 | Dec 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2009 | - | |
| Jul 1, 2009 | Jul 31, 2009 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2009 | - | |
| Jul 1, 2009 | Jul 31, 2009 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2009 | - | |
| Jul 1, 2009 | Jul 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2009 | - | |
| Jul 1, 2009 | Jul 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2009 | - | |
| Jul 1, 2009 | Jul 31, 2009 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2009 | - | |
| Jul 1, 2009 | Jul 31, 2009 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2009 | - | |
| Nov 1, 1997 | Nov 30, 1997 | MR | No | Yes | - | - | - | Resolved | Nov 30, 1997 | - | |
| Feb 1, 1996 | Feb 29, 1996 | TT | Yes | No | - | - | - | Resolved | Feb 29, 1996 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Dec 1, 1995 | Dec 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1995 | - | |
| Jun 1, 1995 | Jun 30, 1995 | TT | Yes | No | - | - | - | Archived | Jun 30, 1995 | - | |
| Jul 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Sep 8, 1994 | - | |
| Jan 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Sep 8, 1994 | - | |
| Apr 1, 1993 | Apr 30, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1993 | - | |
| Aug 1, 1992 | Aug 31, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1992 | - | |
| Jul 1, 1992 | Jul 31, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1992 | - | |
| Aug 1, 1991 | Aug 31, 1991 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1991 | - | |
| Jul 1, 1991 | Jul 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 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 | - |
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.