JASPER KNOLLS WATER DISTRICT
Oregon — Transient Non-Community — PWSID: OR4100678
System Information
| PWSID | OR4100678 |
| System Name | JASPER KNOLLS WATER DISTRICT |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 12, 1979 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | PRINEVILLE |
| ZIP Code | 97754 |
| Address | 18438 S JASPER KNOLLS DR |
| Organization | JASPER KNOLLS WATER DISTRICT |
| Phone | 541-447-7970 |
Population & Service
| Population Served | 25 |
| Service Connections | 48 |
Drinking Water Violations (17)
This water system has 17 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2021 | Jun 30, 2021 | MON | No | Yes | — | — | — | Resolved | Jun 30, 2021 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2018 | — | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2015 | — | |
| Apr 1, 2007 | Jun 30, 2007 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2007 | — | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2006 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2006 | — | |
| Jul 1, 2005 | Sep 30, 2005 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2005 | — | |
| Jul 1, 2001 | Sep 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2001 | — | |
| Apr 1, 2001 | Jun 30, 2001 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2001 | — | |
| Oct 1, 1998 | Dec 31, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 1998 | — | |
| Jan 1, 1996 | Mar 31, 1996 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 1996 | — | |
| Jan 1, 1993 | Mar 31, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 1993 | — | |
| Jul 1, 1991 | Sep 30, 1991 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1991 | — | |
| Jun 1, 1976 | May 31, 1980 | MR | No | No | — | 5 pCi/L | — | Archived | May 31, 1980 | — | |
| Jun 1, 1976 | May 31, 1980 | MR | No | No | — | 15 pCi/L | — | Archived | May 31, 1980 | — | |
| — | — | — | 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.