TANGENT, OR · Linn County
LONE OAK ESTATES Water System
Consumer Confidence Report status
LONE OAK ESTATES must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for LONE OAK ESTATES.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Oregon’s official records. Always confirm current status with Oregon before making decisions based on this information.
System facts
- System ID (PWSID)
- OR4101470
- System type
- Community Water System
- Population served
- 258
- Service connections
- 101
- Ownership
- privately owned
- Water source
- groundwater (wells)
LONE OAK ESTATES is one of 1,168 community water systems in Oregon in the 500 or fewer people size category, serving 258 people from groundwater.
As of August 1, 2026, its federal record holds 23 entries between 2001 and 2025, all of which EPA lists as closed.
Of the 23, 19 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves synthetic organic chemicals, volatile organic chemicals, and the Consumer Confidence Rule.
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
November 1, 2025 – November 30, 2025
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
September 1, 2025 – September 30, 2025
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
July 1, 2025 – July 31, 2025
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 2017 – December 31, 2025
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
January 1, 2017 – December 31, 2025
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2005 – December 31, 2007
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2005 – December 31, 2007
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 19, 2004 – July 7, 2010
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 19, 2003 – November 21, 2006
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2003 – April 2, 2004
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—ETHYLENE DIBROMIDE
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Arsenic
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Styrene
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Endrin
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) phthalate
January 1, 2002 – December 31, 2004
ResolvedMonitoring, Regular
—Picloram
January 1, 2002 – December 31, 2004
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2001 – June 25, 2002
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| November 1, 2025 – November 30, 2025 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| September 1, 2025 – September 30, 2025 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2025 – July 31, 2025 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| January 1, 2017 – December 31, 2025 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| January 1, 2017 – December 31, 2025 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| October 19, 2004 – July 7, 2010 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| October 19, 2003 – November 21, 2006 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2003 – April 2, 2004 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | ETHYLENE DIBROMIDE | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Styrene | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Di(2-ethylhexyl) phthalate | — | Resolved |
| January 1, 2002 – December 31, 2004 | Monitoring, Regular | Picloram | — | Resolved |
| July 1, 2001 – June 25, 2002 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- September 26, 1996State Public Notification received1 linked violation
Common questions
Is LONE OAK ESTATES required to publish a Consumer Confidence Report?
- Yes. LONE OAK ESTATES is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is LONE OAK ESTATES’s next Consumer Confidence Report due?
- LONE OAK ESTATES’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does LONE OAK ESTATES have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for LONE OAK ESTATES.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
LONE OAK ESTATES
541-231-3812
TANGENT, OR 97389