ST HELENS, CITY OF
Oregon — Community Water System — PWSID: OR4100724
System Information
| PWSID | OR4100724 |
| System Name | ST HELENS, 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 | ST HELENS |
| ZIP Code | 97051 |
| Address | 984 OREGON ST |
| Organization | ST HELENS, CITY OF |
| Phone | 503-397-3532 |
Population & Service
| Population Served | 13,410 |
| Service Connections | 5,500 |
Drinking Water Violations (69)
This water system has 69 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2023 | Jul 31, 2023 | MR | No | Yes | — | — | — | Resolved | Jul 31, 2023 | — | |
| Jul 1, 2023 | Jul 31, 2023 | MR | No | Yes | — | — | — | Resolved | Jul 31, 2023 | — | |
| Jul 1, 2023 | Jul 31, 2023 | MR | No | Yes | — | — | — | Resolved | Jul 31, 2023 | — | |
| Jul 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Sep 7, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Jun 30, 2023 | — | |
| Dec 1, 2010 | Dec 31, 2010 | MR | No | Yes | — | — | — | Archived | Dec 31, 2010 | — | |
| Dec 1, 2010 | Dec 31, 2010 | MR | No | Yes | — | — | — | Archived | Dec 31, 2010 | — | |
| May 1, 2010 | May 31, 2010 | MR | No | Yes | — | — | — | Resolved | May 31, 2010 | — | |
| May 1, 2010 | May 31, 2010 | MR | No | Yes | — | — | — | Resolved | May 31, 2010 | — | |
| May 1, 2010 | May 31, 2010 | MR | No | Yes | — | — | — | Resolved | May 31, 2010 | — | |
| Jan 1, 2008 | — | MR | No | No | — | — | — | Resolved | Jan 9, 2008 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Feb 2, 2004 | — | TT | Yes | No | — | — | — | Resolved | Jul 30, 2007 | — | |
| Feb 2, 2004 | — | TT | Yes | No | — | — | — | Resolved | Jul 30, 2007 | — | |
| Feb 2, 2004 | — | TT | Yes | No | — | — | — | Resolved | Jul 30, 2007 | — | |
| Feb 2, 2004 | — | TT | Yes | No | — | — | — | Resolved | Jul 30, 2007 | — | |
| Feb 2, 2004 | — | TT | Yes | No | — | — | — | Resolved | Jul 30, 2007 | — | |
| Feb 2, 2004 | — | TT | Yes | No | — | — | — | Resolved | Jul 30, 2007 | — | |
| Feb 2, 2004 | — | TT | Yes | No | — | — | — | Resolved | Jul 30, 2007 | — | |
| Feb 2, 2004 | — | TT | Yes | No | — | — | — | Resolved | Jul 30, 2007 | — | |
| Feb 2, 2004 | — | TT | Yes | No | — | — | — | Resolved | Jul 30, 2007 | — | |
| Feb 2, 2004 | — | TT | Yes | No | — | — | — | Resolved | Jul 30, 2007 | — | |
| Feb 2, 2004 | — | TT | Yes | No | — | — | — | Resolved | Jul 30, 2007 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.003 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.5 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.7 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.4 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.05 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2002 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.001 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.07 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.2 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.006 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.007 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.04 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | — | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.0004 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.001 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.0005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.00005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.004 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.2 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | No | — | 0.1 mg/L | — | Resolved | Dec 31, 2004 | — |
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.