CEDAR CITY, UT · Sanpete County
TWIN OAKS LOCAL DISTRICT Water System
Consumer Confidence Report status
TWIN OAKS LOCAL DISTRICT 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 TWIN OAKS LOCAL DISTRICT.
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 Utah’s official records. Always confirm current status with Utah before making decisions based on this information.
System facts
- System ID (PWSID)
- UTAH20014
- System type
- Community Water System
- Population served
- 270
- Service connections
- 82
- Ownership
- privately owned
- Water source
- groundwater (wells)
TWIN OAKS LOCAL DISTRICT is one of 338 community water systems in Utah in the 500 or fewer people size category, serving 270 people from groundwater.
As of August 1, 2026, its federal record holds 71 entries between 1994 and 2021, all of which EPA lists as closed. Nothing has been added since 2021.
Of the 71, 67 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 volatile organic chemicals, the Radionuclides and Revised Rad Rule, and the Total Coliform Rules.
Violation history
Monitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—Radium-226
October 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—Radium-228
October 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—Radium-228
October 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—Radium-226
October 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 2020 – December 31, 2020
ResolvedSample Siting Plan Errors (RTCR)
—Revised Total Coliform Rule
October 1, 2017 – December 22, 2017
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 2015 – October 31, 2015
ResolvedMonitoring, Regular
—Radium-226
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—Xylenes, Total
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—DICHLOROMETHANE
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—o-Dichlorobenzene
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—p-Dichlorobenzene
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—Vinyl chloride
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—1,2-Dichloroethane
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—Carbon tetrachloride
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—1,2-Dichloropropane
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—Trichloroethylene
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—Ethylbenzene
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—Toluene
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—Benzene
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—CHLOROBENZENE
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—Tetrachloroethylene
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—Styrene
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—Radium-228
April 1, 2013 – June 30, 2013
ResolvedMonitoring, Regular
—Styrene
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—1,2,4-Trichlorobenzene
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—Xylenes, Total
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—DICHLOROMETHANE
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—o-Dichlorobenzene
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—p-Dichlorobenzene
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—Vinyl chloride
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—1,2-Dichloroethane
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—Carbon tetrachloride
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—1,2-Dichloropropane
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—Trichloroethylene
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—Tetrachloroethylene
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—CHLOROBENZENE
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—Benzene
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—Toluene
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—Ethylbenzene
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—Radium-226
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—Radium-228
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—Radium-228
April 1, 2011 – May 26, 2011
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
November 1, 2010 – November 30, 2010
ArchivedMonitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 2010 – October 31, 2010
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 2010 – September 30, 2010
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
April 1, 2010 – June 27, 2010
ResolvedMonitoring, Regular
—Combined Uranium
April 1, 2010 – June 27, 2010
ResolvedMonitoring, Regular
—Radium-228
April 1, 2010 – June 27, 2010
ResolvedMonitoring, Regular
—Radium-226
April 1, 2010 – June 27, 2010
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
April 1, 2010 – June 27, 2010
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 2010 – March 31, 2010
ResolvedMonitoring, Regular
—Radium-228
January 1, 2010 – March 31, 2010
ResolvedMonitoring, Regular
—Radium-226
January 1, 2010 – March 31, 2010
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
January 1, 2010 – March 31, 2010
ResolvedMonitoring, Regular
—Combined Uranium
January 1, 2010 – March 31, 2010
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
April 1, 1994 – June 30, 1994
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2021 – December 31, 2021 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| October 1, 2021 – December 31, 2021 | Monitoring, Regular | Radium-226 | — | Resolved |
| October 1, 2021 – December 31, 2021 | Monitoring, Regular | Radium-228 | — | Resolved |
| October 1, 2020 – December 31, 2020 | Monitoring, Regular | Radium-228 | — | Resolved |
| October 1, 2020 – December 31, 2020 | Monitoring, Regular | Radium-226 | — | Resolved |
| October 1, 2020 – December 31, 2020 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| October 1, 2017 – December 22, 2017 | Sample Siting Plan Errors (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 1, 2015 – October 31, 2015 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | Radium-226 | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | Toluene | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | Benzene | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | Styrene | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| April 1, 2013 – June 30, 2013 | Monitoring, Regular | Radium-228 | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | Styrene | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | 1,2,4-Trichlorobenzene | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | p-Dichlorobenzene | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | Carbon tetrachloride | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | Trichloroethylene | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | Tetrachloroethylene | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | Benzene | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | Toluene | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | Radium-226 | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | Radium-228 | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| April 1, 2011 – May 26, 2011 | Monitoring, Regular | Radium-228 | — | Resolved |
| November 1, 2010 – November 30, 2010 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| October 1, 2010 – October 31, 2010 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| September 1, 2010 – September 30, 2010 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| April 1, 2010 – June 27, 2010 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| April 1, 2010 – June 27, 2010 | Monitoring, Regular | Combined Uranium | — | Resolved |
| April 1, 2010 – June 27, 2010 | Monitoring, Regular | Radium-228 | — | Resolved |
| April 1, 2010 – June 27, 2010 | Monitoring, Regular | Radium-226 | — | Resolved |
| April 1, 2010 – June 27, 2010 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| January 1, 2010 – March 31, 2010 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| January 1, 2010 – March 31, 2010 | Monitoring, Regular | Radium-228 | — | Resolved |
| January 1, 2010 – March 31, 2010 | Monitoring, Regular | Radium-226 | — | Resolved |
| January 1, 2010 – March 31, 2010 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| January 1, 2010 – March 31, 2010 | Monitoring, Regular | Combined Uranium | — | Resolved |
| April 1, 1994 – June 30, 1994 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- February 12, 2022State Public Notification requested5 linked violations
- February 6, 2021State Formal Notice of Violation issued4 linked violations
- February 3, 2021State Compliance achieved9 linked violations
- July 3, 2018State Compliance achieved21 linked violations
- December 22, 2017State Compliance achieved2 linked violations
- December 22, 2017State Formal Notice of Violation issued2 linked violations
- December 11, 2015State Public Notification requested2 linked violations
- November 11, 2013State Compliance achieved2 linked violations
- November 11, 2013State Compliance achieved2 linked violations
- November 11, 2013State Compliance achieved1 linked violation
- November 11, 2013State Compliance achieved2 linked violations
- August 15, 2013State Public Notification requested21 linked violations
- August 9, 2013State Formal Notice of Violation issued1 linked violation
- August 9, 2013State Public Notification requested1 linked violation
- August 9, 2013State Public Notification requested2 linked violations
- November 11, 2012State Compliance achieved2 linked violations
- November 9, 2012State Formal Notice of Violation issued2 linked violations
- November 9, 2012State Public Notification requested2 linked violations
- November 9, 2012State Public Notification requested22 linked violations
- November 9, 2012State Formal Notice of Violation issued2 linked violations
- August 6, 2011State Public Notification requested5 linked violations
- November 6, 2010State Public Notification requested3 linked violations
- August 7, 2010State Public Notification requested8 linked violations
- June 27, 2010State Compliance achieved7 linked violations
- July 27, 1994State Public Notification requested2 linked violations
- January 31, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- January 31, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
Common questions
Is TWIN OAKS LOCAL DISTRICT required to publish a Consumer Confidence Report?
- Yes. TWIN OAKS LOCAL DISTRICT 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 TWIN OAKS LOCAL DISTRICT’s next Consumer Confidence Report due?
- TWIN OAKS LOCAL DISTRICT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does TWIN OAKS LOCAL DISTRICT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for TWIN OAKS LOCAL DISTRICT.
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
ASAY, DAVID
435-463-3555
CEDAR CITY, UT 84721