CORVALLIS WALDORF ASSOCIATION
Oregon — Non-Transient Non-Community — PWSID: OR4193711
System Information
| PWSID | OR4193711 |
| System Name | CORVALLIS WALDORF ASSOCIATION |
| 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 | CORVALLIS |
| ZIP Code | 97330 |
| Address | 3855 NE HWY 20 |
| Organization | CORVALLIS WALDORF ASSOCIATION |
| Phone | 541-758-4674 |
Population & Service
| Population Served | 180 |
| Service Connections | 1 |
Drinking Water Violations (41)
This water system has 41 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 | — | MR | No | No | — | TT | — | Resolved | Sep 8, 2025 | — | |
| Jul 1, 2025 | — | MR | No | No | — | TT | — | Resolved | Sep 3, 2025 | — | |
| Jan 1, 2025 | — | MR | No | No | — | TT | — | Resolved | Jul 11, 2025 | — | |
| Jan 1, 2025 | — | MR | No | No | — | TT | — | Resolved | Jul 8, 2025 | — | |
| Jul 1, 2024 | Dec 31, 2024 | TT | Yes | No | — | TT | — | Archived | Dec 31, 2024 | — | |
| Jul 1, 2024 | Dec 31, 2024 | TT | Yes | No | — | TT | — | Archived | Dec 31, 2024 | — | |
| Jul 1, 2024 | Dec 31, 2024 | TT | Yes | No | — | TT | — | Archived | Dec 31, 2024 | — | |
| Jul 1, 2024 | — | MR | No | No | — | TT | — | Resolved | Jul 11, 2025 | — | |
| Jul 1, 2024 | — | MR | No | No | — | TT | — | Resolved | Jul 11, 2025 | — | |
| Jul 1, 2024 | — | MR | No | No | — | TT | — | Resolved | Oct 3, 2024 | — | |
| Jan 1, 2024 | Jun 30, 2024 | TT | Yes | No | — | TT | — | Archived | Jun 30, 2024 | — | |
| Jan 1, 2024 | Jun 30, 2024 | TT | Yes | No | — | TT | — | Archived | Jun 30, 2024 | — | |
| Jan 1, 2024 | Jun 30, 2024 | TT | Yes | No | — | TT | — | Archived | Jun 30, 2024 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MON | No | Yes | — | — | — | Resolved | Dec 31, 2023 | — | |
| Jul 1, 2023 | Dec 31, 2023 | TT | Yes | No | — | TT | — | Archived | Dec 31, 2023 | — | |
| Jul 1, 2023 | Dec 31, 2023 | TT | Yes | No | — | TT | — | Archived | Dec 31, 2023 | — | |
| Jul 1, 2023 | Dec 31, 2023 | TT | Yes | No | — | TT | — | Archived | Dec 31, 2023 | — | |
| Mar 24, 2013 | — | Other | No | No | — | — | — | Resolved | Jul 30, 2013 | — | |
| Jan 1, 2013 | Mar 31, 2013 | MCL | Yes | No | 10.6 MG/L | 10 mg/L | 10.49 | Resolved | Mar 31, 2013 | — | |
| Jan 1, 2013 | Mar 31, 2013 | MCL | Yes | No | 10.6 MG/L | 10 mg/L | 10.49 | Resolved | Mar 31, 2013 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MCL | Yes | No | 11.3 MG/L | 10 mg/L | 10.49 | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MCL | Yes | No | 11.3 MG/L | 10 mg/L | 10.49 | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MCL | Yes | No | 11.3 MG/L | 10 mg/L | 10.49 | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MCL | Yes | No | 11.3 MG/L | 10 mg/L | 10.49 | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MCL | Yes | No | 11.3 MG/L | 10 mg/L | 10.49 | Resolved | Dec 31, 2012 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MCL | Yes | No | 11.2 MG/L | 10 mg/L | 10.49 | Resolved | Sep 30, 2012 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MCL | Yes | No | 11.2 MG/L | 10 mg/L | 10.49 | Resolved | Sep 30, 2012 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MCL | Yes | No | 11.2 MG/L | 10 mg/L | 10.49 | Resolved | Sep 30, 2012 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MCL | Yes | No | 11.2 MG/L | 10 mg/L | 10.49 | Resolved | Sep 30, 2012 | — | |
| Jan 1, 2012 | — | MR | No | No | — | TT | — | Resolved | Mar 23, 2012 | — | |
| Jan 1, 2012 | — | MR | No | No | — | TT | — | Resolved | Mar 23, 2012 | — | |
| Jan 1, 2011 | — | MR | No | No | — | TT | — | Resolved | Feb 9, 2011 | — | |
| Jan 1, 2011 | — | MR | No | No | — | TT | — | Resolved | Feb 9, 2011 | — | |
| Oct 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | — | MR | No | No | — | TT | — | Resolved | Feb 9, 2011 | — | |
| Jan 1, 2005 | — | MR | No | No | — | TT | — | Resolved | Feb 9, 2011 | — | |
| Oct 1, 1999 | Dec 31, 1999 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1999 | — | |
| Oct 1, 1993 | Dec 31, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1993 | — | |
| — | — | — | 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.