ARBOR SCHOOL
Oregon - Non-Transient Non-Community - PWSID: OR4194894
System Information
| PWSID | OR4194894 |
| System Name | ARBOR SCHOOL |
| 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 | Jun 17, 1994 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | TUALATIN |
| ZIP Code | 97062 |
| Address | 4201 SW BORLAND RD |
| Organization | ARBOR SCHOOL |
| Phone | 503-638-6399 |
Population & Service
| Population Served | 215 |
| Service Connections | 1 |
Drinking Water Violations (151)
This water system has 151 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 10, 2020 | - | MR | No | Yes | - | - | - | Resolved | Mar 4, 2021 | - | |
| Mar 1, 2020 | Mar 31, 2020 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2020 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.004 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.001 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.0004 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.4 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Dec 13, 2019 | - | Other | No | No | - | - | - | Resolved | Mar 4, 2021 | - | |
| Nov 12, 2019 | - | TT | Yes | No | - | - | - | Resolved | Nov 12, 2019 | - | |
| Nov 12, 2019 | - | TT | Yes | No | - | - | - | Resolved | Nov 12, 2019 | - | |
| Oct 1, 2019 | Oct 31, 2019 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2019 | - | |
| Dec 1, 2018 | Dec 31, 2018 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2018 | - | |
| Nov 12, 2018 | - | MR | No | Yes | - | - | - | Resolved | Mar 4, 2021 | - | |
| Nov 1, 2018 | Nov 30, 2018 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2018 | - | |
| Sep 1, 2018 | Sep 30, 2018 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2018 | - | |
| Jul 1, 2018 | Jul 31, 2018 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2018 | - | |
| Jun 1, 2018 | Jun 30, 2018 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2018 | - | |
| Apr 1, 2018 | Apr 30, 2018 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2018 | - | |
| Mar 1, 2018 | Mar 31, 2018 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2018 | - | |
| Feb 1, 2018 | Feb 28, 2018 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2018 | - | |
| Jan 7, 2018 | - | Other | No | No | - | - | - | Resolved | Mar 4, 2021 | - | |
| Jan 1, 2018 | Jan 31, 2018 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2018 | - | |
| Dec 1, 2017 | Dec 31, 2017 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2017 | - | |
| Nov 1, 2017 | Nov 30, 2017 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2017 | - | |
| Oct 28, 2017 | - | TT | Yes | No | - | - | - | Resolved | Jul 18, 2018 | - | |
| Oct 28, 2017 | - | TT | Yes | No | - | - | - | Resolved | Jul 18, 2018 | - | |
| Oct 1, 2017 | Oct 31, 2017 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2017 | - | |
| Sep 24, 2017 | - | MR | No | Yes | - | - | - | Resolved | Mar 4, 2021 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2017 | - | |
| Oct 1, 2016 | Dec 31, 2016 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2016 | Mar 31, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2016 | - | |
| Oct 1, 2015 | Dec 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2015 | - | |
| Apr 1, 2014 | Jun 30, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2014 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2013 | - | |
| Jan 1, 2012 | Mar 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2012 | - | |
| Jan 1, 2012 | Mar 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2012 | - | |
| Jun 1, 2011 | - | MR | No | Yes | - | - | - | Resolved | Dec 30, 2011 | - | |
| Jun 1, 2011 | - | MR | No | Yes | - | - | - | Resolved | Dec 30, 2011 | - | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2011 | - | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2011 | - | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2011 | - |
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.