LONE OAK ESTATES
Oregon — Community Water System — PWSID: OR4101470
System Information
| PWSID | OR4101470 |
| System Name | LONE OAK ESTATES |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | May 20, 1996 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Oregon |
| City | TANGENT |
| ZIP Code | 97389 |
| Address | 31840 MEADOWLARK LOOP |
| Organization | LONE OAK ESTATES |
| Phone | 541-231-3812 |
Population & Service
| Population Served | 258 |
| Service Connections | 101 |
Drinking Water Violations (72)
This water system has 72 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2025 | Nov 30, 2025 | MON | No | Yes | — | — | — | Archived | Nov 30, 2025 | — | |
| Sep 1, 2025 | Sep 30, 2025 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2025 | — | |
| Jul 1, 2025 | Jul 31, 2025 | MON | No | Yes | — | — | — | Resolved | Jul 31, 2025 | — | |
| Jan 1, 2017 | Dec 31, 2025 | MR | No | Yes | — | 15 pCi/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2017 | Dec 31, 2025 | MR | No | Yes | — | 5 pCi/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2005 | — | |
| Jan 1, 2005 | — | MR | No | No | — | TT | — | Resolved | Jan 23, 2006 | — | |
| Jan 1, 2005 | Dec 31, 2007 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Oct 19, 2004 | — | Other | No | No | — | — | — | Resolved | Jul 7, 2010 | — | |
| Jul 1, 2004 | — | Other | No | No | — | — | — | Resolved | Nov 21, 2006 | — | |
| Oct 19, 2003 | — | Other | No | No | — | — | — | Resolved | Nov 21, 2006 | — | |
| Oct 19, 2003 | — | Other | No | No | — | — | — | Resolved | Nov 21, 2006 | — | |
| Jul 1, 2003 | — | Other | No | No | — | — | — | Resolved | Apr 2, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.5 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.0004 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2002 | Dec 31, 2004 | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2004 | — |
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.