HILLSBORO-CHERRY GROVE
Oregon - Community Water System - PWSID: OR4100985
System Information
| PWSID | OR4100985 |
| System Name | HILLSBORO-CHERRY GROVE |
| 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 | HILLSBORO |
| ZIP Code | 97123 |
| Address | 150 E MAIN ST |
| Organization | HILLSBORO-CHERRY GROVE |
| Phone | 503-615-6579 |
Population & Service
| Population Served | 1,628 |
| Service Connections | 577 |
Drinking Water Violations (57)
This water system has 57 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, 2025 | - | Other | No | No | - | - | - | Resolved | Jul 8, 2025 | - | |
| 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 | - | |
| Aug 1, 2019 | Aug 31, 2019 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2019 | - | |
| Aug 1, 2019 | Aug 31, 2019 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2019 | - | |
| Aug 1, 2019 | Aug 31, 2019 | MR | No | Yes | - | - | - | Resolved | Aug 31, 2019 | - | |
| Oct 1, 2014 | Oct 31, 2014 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2014 | - | |
| Oct 1, 2014 | Oct 31, 2014 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2014 | - | |
| Oct 1, 2014 | Oct 31, 2014 | MR | No | Yes | - | - | - | Resolved | Oct 31, 2014 | - | |
| Dec 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2009 | - | |
| Dec 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2009 | - | |
| Dec 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2009 | - | |
| Dec 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2009 | Jan 31, 2009 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jan 31, 2009 | - | |
| Jan 1, 2009 | Jan 31, 2009 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jan 31, 2009 | - | |
| Jan 1, 2009 | Jan 31, 2009 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jan 31, 2009 | - | |
| Jan 1, 2009 | Jan 31, 2009 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jan 31, 2009 | - | |
| Jul 1, 2008 | - | MR | No | No | - | - | - | Resolved | Aug 28, 2008 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.6 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 2, 2002 | - | TT | Yes | No | - | TT | - | Resolved | Dec 11, 2000 | - | |
| Jan 2, 2002 | - | TT | Yes | No | - | TT | - | Resolved | Dec 11, 2000 | - | |
| Mar 1, 2000 | Mar 31, 2000 | MR | No | Yes | - | - | - | Resolved | Mar 31, 2000 | - | |
| Jul 1, 1998 | - | TT | Yes | No | - | TT | - | Resolved | Oct 27, 2000 | - | |
| Jul 1, 1998 | - | TT | Yes | No | - | TT | - | Resolved | Oct 27, 2000 | - | |
| Jan 1, 1992 | Oct 1, 1993 | TT | Yes | No | - | - | - | Resolved | Oct 1, 1993 | - | |
| Jan 1, 1992 | Oct 1, 1993 | TT | Yes | No | - | - | - | Resolved | Oct 1, 1993 | - | |
| Nov 1, 1991 | Nov 30, 1991 | MR | No | Yes | - | 5% of samples | - | Archived | Nov 30, 1991 | - |
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.