HIDDEN VALLEY ESTATES
Oregon - Non-Transient Non-Community - PWSID: OR4101303
System Information
| PWSID | OR4101303 |
| System Name | HIDDEN VALLEY ESTATES |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Non-Inventory |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Sep 6, 1984 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | CORVALLIS |
| ZIP Code | 97330 |
| Address | 180 NW FIFTH STREET |
| Organization | - |
| Phone | 503-757-6841 |
Population & Service
| Population Served | 24 |
| Service Connections | 12 |
Drinking Water Violations (12)
This water system has 12 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, 2002 | Dec 31, 2002 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 14, 2001 | - | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 14, 2001 | - | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1998 | - | |
| May 1, 1994 | May 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 1994 | - | |
| Jan 1, 1992 | Jan 31, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 1992 | - | |
| Nov 1, 1991 | Nov 30, 1991 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1991 | - | |
| Nov 1, 1991 | Nov 30, 1991 | MR | No | Yes | - | 5% of samples | - | Archived | Nov 30, 1991 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.