SOUTH HILLS WATER SYSTEM
Oregon - Community Water System - PWSID: OR4100306
System Information
| PWSID | OR4100306 |
| System Name | SOUTH HILLS WATER SYSTEM |
| 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 | Jun 26, 2026 |
Location & Contact
| State | Oregon |
| City | HILLSBORO |
| ZIP Code | 97123 |
| Address | 31485 SW UNGER RD |
| Organization | SOUTH HILLS WATER SYSTEM |
| Phone | 503-318-4587 |
Population & Service
| Population Served | 250 |
| Service Connections | 105 |
Drinking Water Violations (17)
This water system has 17 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, 2016 | Sep 30, 2019 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2019 | - | |
| Oct 1, 2016 | Sep 30, 2019 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2019 | - | |
| Jan 1, 2014 | Sep 30, 2016 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Sep 30, 2016 | - | |
| Jan 1, 2014 | Sep 30, 2016 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Sep 30, 2016 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 1999 | Jan 31, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 1999 | - | |
| Jun 1, 1996 | Jun 30, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1996 | - | |
| Aug 1, 1992 | Aug 31, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1992 | - | |
| Jul 1, 1991 | Jul 31, 1991 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 1991 | - | |
| Apr 1, 1991 | Apr 30, 1991 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1991 | - | |
| 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 | - | |
| - | - | - | 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.