NORTH HILL WATER CORPORATION
Oregon - Community Water System - PWSID: OR4100374
System Information
| PWSID | OR4100374 |
| System Name | NORTH HILL WATER CORPORATION |
| 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 | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | HERMISTON |
| ZIP Code | 97838 |
| Address | 31066 CECIL ST |
| Organization | NORTH HILL WATER CORPORATION |
| Phone | 541-371-8030 |
Population & Service
| Population Served | 100 |
| Service Connections | 29 |
Drinking Water Violations (232)
This water system has 232 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, 2025 | - | Other | No | No | - | - | - | Resolved | Dec 15, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Dec 15, 2025 | - | |
| Dec 7, 2024 | - | Other | No | No | - | - | - | Resolved | Dec 17, 2024 | - | |
| Sep 7, 2024 | - | TT | Yes | No | - | - | - | Resolved | Dec 17, 2024 | - | |
| Sep 7, 2024 | - | TT | Yes | No | - | - | - | Resolved | Dec 17, 2024 | - | |
| Aug 4, 2024 | - | MR | No | Yes | - | - | - | Resolved | Dec 17, 2024 | - | |
| Oct 1, 2023 | - | Other | No | No | - | - | - | Resolved | May 20, 2024 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | May 20, 2024 | - | |
| Jul 25, 2022 | - | TT | Yes | No | - | - | - | Resolved | Jul 26, 2022 | - | |
| Jun 21, 2022 | - | MR | No | Yes | - | - | - | Resolved | Mar 2, 2023 | - | |
| May 1, 2022 | May 31, 2022 | MON | No | Yes | - | - | - | Resolved | May 31, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2021 | - | |
| Apr 1, 2020 | Apr 30, 2020 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2020 | - | |
| Nov 1, 2018 | Nov 30, 2018 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2018 | - | |
| Jun 1, 2018 | Jun 30, 2018 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2018 | - | |
| May 1, 2018 | May 31, 2018 | MON | No | Yes | - | - | - | Resolved | May 31, 2018 | - | |
| Oct 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Jul 16, 2020 | - | |
| Jan 1, 2014 | Dec 31, 2022 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2022 | - | |
| Feb 20, 2011 | - | Other | No | No | - | - | - | Resolved | Jul 14, 2011 | - | |
| Feb 20, 2011 | - | Other | No | No | - | - | - | Resolved | Jul 14, 2011 | - | |
| Jan 20, 2011 | - | Other | No | No | - | - | - | Resolved | Jul 14, 2011 | - | |
| Jan 20, 2011 | - | Other | No | No | - | - | - | Resolved | Jul 14, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Dec 1, 2010 | Dec 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2010 | - | |
| Dec 1, 2010 | Dec 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2010 | - | |
| Dec 1, 2010 | - | MR | No | Yes | - | - | - | Resolved | Jul 14, 2011 | - | |
| Dec 1, 2010 | Dec 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2010 | - | |
| Dec 1, 2010 | - | MR | No | Yes | - | - | - | Resolved | Jul 14, 2011 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2010 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2010 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2010 | - | |
| 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 | - | |
| Oct 1, 2009 | Oct 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2009 | - | |
| Oct 1, 2009 | Oct 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2009 | - | |
| Jul 1, 2008 | Jul 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2008 | - | |
| Dec 1, 2007 | Dec 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2007 | - | |
| Sep 1, 2006 | Sep 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2006 | - | |
| Sep 1, 2006 | Sep 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2006 | - | |
| Mar 1, 2006 | Mar 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2006 | - | |
| Mar 1, 2006 | Mar 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2006 | - | |
| Nov 1, 2005 | Nov 30, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2005 | - | |
| Oct 1, 2005 | Oct 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2005 | - | |
| Oct 1, 2005 | Oct 31, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2005 | - | |
| Oct 1, 2005 | Oct 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2005 | - |
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.