OREGON TRAIL SD - KELSO ELEM
Oregon - Non-Transient Non-Community - PWSID: OR4193720
System Information
| PWSID | OR4193720 |
| System Name | OREGON TRAIL SD - KELSO ELEM |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Jan 12, 1983 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | SANDY |
| ZIP Code | 97055 |
| Address | PO BOX 547 |
| Organization | OREGON TRAIL SD - KELSO ELEM |
| Phone | 503-668-6442 |
Population & Service
| Population Served | 450 |
| Service Connections | 1 |
Drinking Water Violations (35)
This water system has 35 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.0002 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.7 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.2 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.00005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.04 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2022 | - | |
| Nov 21, 2015 | - | Other | No | No | - | - | - | Resolved | Oct 5, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2015 | - | |
| Jan 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Sep 6, 2011 | - | |
| Jan 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Sep 6, 2011 | - | |
| Apr 1, 2010 | Jun 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| Apr 1, 2010 | Jun 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2009 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2009 | - | |
| Oct 1, 2000 | - | MR | No | No | - | TT | - | Resolved | Sep 6, 2011 | - | |
| Oct 1, 2000 | - | MR | No | No | - | TT | - | Resolved | Sep 6, 2011 | - | |
| Oct 1, 1995 | Dec 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | - | MR | No | No | - | TT | - | Resolved | Sep 6, 2011 | - | |
| Jan 1, 1995 | - | MR | No | No | - | TT | - | Resolved | Sep 6, 2011 | - | |
| Jan 1, 1995 | - | MR | No | No | - | TT | - | Resolved | Sep 6, 2011 | - | |
| Jan 1, 1995 | - | MR | No | No | - | TT | - | Resolved | Sep 6, 2011 | - | |
| Jan 1, 1995 | - | MR | No | No | - | TT | - | Resolved | Sep 6, 2011 | - | |
| Jul 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Sep 6, 2011 | - | |
| Jul 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Sep 6, 2011 | - | |
| Jul 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Sep 6, 2011 | - | |
| Jul 1, 1994 | - | MR | No | No | - | TT | - | Resolved | Sep 6, 2011 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Oct 1, 1992 | Dec 31, 1992 | MR | No | Yes | - | 5% of samples | - | Archived | Dec 31, 1992 | - | |
| Oct 1, 1992 | Dec 31, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1992 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.