ST GEORGE, UT · Washington County

WINCHESTER HILLS WATER CO Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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): UTAH27049
System type: Community Water System
Population served: 950
Service connections: 365
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
April 1, 2017 – April 30, 2017
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2010 – March 31, 2010
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2010 – March 31, 2010
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2010 – March 31, 2010
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2010 – March 31, 2010
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2010 – March 31, 2010
Resolved
Monitoring, Regular
—
Dalapon
October 1, 2009 – October 12, 2009
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
October 1, 2009 – October 12, 2009
Resolved
Monitoring, Regular
—
2,4-D
October 1, 2009 – October 12, 2009
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
October 1, 2009 – October 12, 2009
Resolved
Monitoring, Regular
—
Pentachlorophenol
October 1, 2009 – October 12, 2009
Resolved
Monitoring, Regular
—
Carbofuran
October 1, 2009 – October 12, 2009
Resolved
Monitoring, Regular
—
Heptachlor epoxide
October 1, 2009 – October 12, 2009
Resolved
Monitoring, Regular
—
Picloram
October 1, 2009 – October 12, 2009
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 2005 – August 31, 2005
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2005 – July 31, 2005
Resolved
Notification, Public
—
Coliform (TCR)
December 1, 1998 – December 31, 1998
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 1994 – August 31, 1994
Archived
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
July 1, 1994 – July 31, 1994
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 1991 – March 31, 1991
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 1988 – January 31, 1988
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 1987 – January 31, 1987
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 1986 – January 31, 1986
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
April 1, 2017 – April 30, 2017	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2010 – March 31, 2010	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2010 – March 31, 2010	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2010 – March 31, 2010	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2010 – March 31, 2010	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2010 – March 31, 2010	Monitoring, Regular	Dinoseb	—	Resolved
October 1, 2009 – October 12, 2009	Monitoring, Regular	Dalapon	—	Resolved
October 1, 2009 – October 12, 2009	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
October 1, 2009 – October 12, 2009	Monitoring, Regular	2,4-D	—	Resolved
October 1, 2009 – October 12, 2009	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
October 1, 2009 – October 12, 2009	Monitoring, Regular	Pentachlorophenol	—	Resolved
October 1, 2009 – October 12, 2009	Monitoring, Regular	Carbofuran	—	Resolved
October 1, 2009 – October 12, 2009	Monitoring, Regular	Heptachlor epoxide	—	Resolved
October 1, 2009 – October 12, 2009	Monitoring, Regular	Picloram	—	Resolved
August 1, 2005 – August 31, 2005	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2005 – July 31, 2005	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
December 1, 1998 – December 31, 1998	Notification, Public	Coliform (TCR)	—	Archived
August 1, 1994 – August 31, 1994	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
July 1, 1994 – July 31, 1994	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
March 1, 1991 – March 31, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1988 – January 31, 1988	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
January 1, 1987 – January 31, 1987	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
January 1, 1986 – January 31, 1986	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

August 27, 2017State Compliance achieved2 linked violations
August 18, 2017State Compliance achieved1 linked violation
August 18, 2017State Compliance achieved2 linked violations
July 31, 2017State Formal Notice of Violation issued1 linked violation
July 31, 2017State Formal Notice of Violation issued2 linked violations
July 31, 2017State Formal Notice of Violation issued2 linked violations
July 31, 2017State Public Notification requested1 linked violation
February 22, 2017State Compliance achieved3 linked violations
January 26, 2017State Public Notification requested4 linked violations
January 26, 2017State Public Notification requested3 linked violations
December 17, 2012State Public Notification requested4 linked violations
April 1, 2012State Formal Notice of Violation issued2 linked violations
January 7, 2012State Compliance achieved4 linked violations
April 23, 2010State Public Notification requested28 linked violations
January 29, 2010State Public Notification requested63 linked violations
January 29, 2010State Public Notification requested28 linked violations
January 29, 2010State Public Notification requested28 linked violations
January 29, 2010State Formal Notice of Violation issued25 linked violations
January 29, 2010State Public Notification requested40 linked violations
October 12, 2009State Compliance achieved27 linked violations
October 2, 2009State Compliance achieved74 linked violations
November 10, 2005State Public Notification requested1 linked violation
November 10, 2005State Violation/Reminder Notice1 linked violation
November 10, 2005State Violation/Reminder Notice1 linked violation
January 14, 1992State Public Notification received3 linked violations
November 29, 1991State Public Notification requested2 linked violations
October 2, 1990State Hook-up/Extension Ban21 linked violations
December 18, 1989State Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
December 8, 1989State Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record

Contact

LISTON, DAL ROBERT

435-673-9403

ST GEORGE, UT 84770