KNOLL TERRACE SUBDIVISION
Oregon — Community Water System — PWSID: OR4101560
System Information
| PWSID | OR4101560 |
| System Name | KNOLL TERRACE SUBDIVISION |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | May 22, 2023 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | CANYONVILLE |
| ZIP Code | 97417 |
| Address | PO BOX 1133 |
| Organization | KNOLL TERRACE SUBDIVISION |
| Phone | 541-839-2140 |
Population & Service
| Population Served | 221 |
| Service Connections | 134 |
Drinking Water Violations (3)
This water system has 3 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 | — | — | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2023 | — | |
| May 1, 2023 | May 31, 2023 | MON | No | Yes | — | — | — | Resolved | May 31, 2023 | — |
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.