TERRACE MOBILE PLAZA
Oregon — Community Water System — PWSID: OR4100193
System Information
| PWSID | OR4100193 |
| System Name | TERRACE MOBILE PLAZA |
| 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 | PRINEVILLE |
| ZIP Code | 97754 |
| Address | 400 NW TERRACE LN #73 |
| Organization | TERRACE MOBILE PLAZA |
| Phone | 541-447-4464 |
Population & Service
| Population Served | 152 |
| Service Connections | 73 |
Drinking Water Violations (44)
This water system has 44 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 | — | — | — | Unaddressed | — | — | |
| Jul 1, 2024 | — | Other | No | No | — | — | — | Resolved | Sep 10, 2024 | — | |
| Jul 1, 2023 | — | Other | No | No | — | — | — | Resolved | Jan 3, 2024 | — | |
| Oct 1, 2017 | Sep 30, 2020 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2020 | — | |
| Oct 1, 2017 | Sep 30, 2020 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2020 | — | |
| Jan 1, 2012 | — | MR | No | No | — | TT | — | Resolved | Jul 13, 2012 | — | |
| Jan 1, 2012 | — | MR | No | No | — | TT | — | Resolved | Jul 13, 2012 | — | |
| Jan 1, 2012 | — | MR | No | No | — | TT | — | Resolved | Jul 13, 2012 | — | |
| May 1, 2004 | May 31, 2004 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2004 | — | |
| May 1, 2004 | May 31, 2004 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Aug 1, 1998 | Aug 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 1998 | — | |
| Jun 1, 1998 | Jun 30, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1998 | — | |
| Jun 1, 1998 | Jun 30, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1998 | — | |
| May 1, 1998 | May 31, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 1998 | — | |
| Oct 1, 1994 | Oct 31, 1994 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1994 | — | |
| Oct 1, 1994 | Oct 31, 1994 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1994 | — | |
| Jun 1, 1993 | Jun 30, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1993 | — | |
| Jun 1, 1993 | Jun 30, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1993 | — | |
| May 1, 1993 | May 31, 1993 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1993 | — | |
| 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 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | 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.