BLANDING, UT · San Juan County

MEXICAN HAT SSD 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): UTAH19008
System type: Community Water System
Population served: 40
Service connections: 40
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Nitrate
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Simazine
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Endrin
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Styrene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Toluene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2020 – December 31, 2022
Resolved
Treatment Technique, Level 1 Assessment (RTCR)
Health-based
Revised Total Coliform Rule
November 25, 2017 – June 1, 2020
Resolved
OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
August 16, 2015 – February 4, 2016
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2010 – August 31, 2010
Archived
Monitoring, Regular
—
Radium-228
October 1, 2009 – November 16, 2009
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2009 – August 31, 2009
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2003 – August 31, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2003 – July 31, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2002 – September 30, 2002
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2002 – June 30, 2002
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 2002 – April 30, 2002
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2002 – December 31, 2004
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2001 – December 31, 2003
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2001 – December 31, 2003
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2001 – December 31, 2003
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2001 – December 31, 2003
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2001 – December 31, 2003
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2001 – December 31, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2000 – September 30, 2000
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1997 – August 31, 1997
Archived
Notification, Public
—
Coliform (TCR)
July 1, 1997 – July 31, 1997
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1995 – November 30, 1995
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 1994 – November 30, 1994
Archived
Notification, Public
—
Coliform (TCR)
May 1, 1993 – May 31, 1993
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 1993 – May 31, 1993
Archived
Notification, Public
—
Coliform (TCR)
October 1, 1992 – October 31, 1992
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 1992 – October 31, 1992
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 1992 – July 31, 1992
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 1992 – February 29, 1992
Resolved
Notification, Public
—
Coliform (TCR)
February 1, 1992 – February 29, 1992
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 1991 – September 30, 1991
Archived
Monitoring, Regular
—
Nitrate
January 1, 1988 – January 31, 1988
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
January 1, 2022 – December 31, 2022	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Simazine	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Endrin	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Styrene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Toluene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Xylenes, Total	—	Resolved
November 25, 2017 – June 1, 2020	Treatment Technique, Level 1 Assessment (RTCR)	Revised Total Coliform Rule	Health-based	Resolved
August 16, 2015 – February 4, 2016	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Resolved
August 1, 2010 – August 31, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
October 1, 2009 – November 16, 2009	Monitoring, Regular	Radium-228	—	Resolved
August 1, 2009 – August 31, 2009	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 2003 – August 31, 2003	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2003 – July 31, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 2002 – September 30, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
June 1, 2002 – June 30, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2002 – April 30, 2002	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2002 – December 31, 2004	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2001 – December 31, 2003	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2001 – December 31, 2003	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2001 – December 31, 2003	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2001 – December 31, 2003	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2001 – December 31, 2003	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2001 – December 31, 2003	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
September 1, 2000 – September 30, 2000	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
August 1, 1997 – August 31, 1997	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
July 1, 1997 – July 31, 1997	Notification, Public	Coliform (TCR)	—	Archived
November 1, 1995 – November 30, 1995	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
November 1, 1994 – November 30, 1994	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
May 1, 1993 – May 31, 1993	Notification, Public	Coliform (TCR)	—	Archived
May 1, 1993 – May 31, 1993	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
October 1, 1992 – October 31, 1992	Notification, Public	Coliform (TCR)	—	Archived
October 1, 1992 – October 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
July 1, 1992 – July 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
February 1, 1992 – February 29, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
February 1, 1992 – February 29, 1992	Notification, Public	Coliform (TCR)	—	Archived
September 1, 1991 – September 30, 1991	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
January 1, 1988 – January 31, 1988	Monitoring, Regular	Nitrate	—	Archived

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

Enforcement actions

July 18, 2025State Compliance achieved2 linked violations
July 10, 2025State Formal Notice of Violation issued1 linked violation
July 23, 2024State Compliance achieved1 linked violation
February 22, 2023State Compliance achieved1 linked violation
February 13, 2023State Compliance achieved21 linked violations
February 13, 2023State Compliance achieved24 linked violations
February 3, 2023State Formal Notice of Violation issued21 linked violations
February 3, 2023State Public Notification requested24 linked violations
February 3, 2023State Formal Notice of Violation issued24 linked violations
February 3, 2023State Public Notification requested21 linked violations
January 28, 2023State Formal Notice of Violation issued1 linked violation
January 28, 2023State Public Notification requested1 linked violation
August 2, 2022State Compliance achieved1 linked violation
July 16, 2022State Public Notification requested1 linked violation
July 16, 2022State Formal Notice of Violation issued1 linked violation
November 18, 2021State Compliance achieved1 linked violation
November 18, 2021State Compliance achieved1 linked violation
November 1, 2021State Compliance achieved1 linked violation
September 27, 2021State Formal Notice of Violation issued1 linked violation
July 22, 2021State Public Notification requested1 linked violation
July 22, 2021State Formal Notice of Violation issued1 linked violation
February 8, 2021State Compliance achieved1 linked violation
February 8, 2021State Compliance achieved1 linked violation
February 8, 2021State Compliance achieved1 linked violation
June 1, 2020State Compliance achieved1 linked violation
February 13, 2019State Compliance achieved1 linked violation
January 25, 2019State Formal Notice of Violation issued1 linked violation
January 25, 2019State Public Notification requested1 linked violation
December 22, 2017State Public Notification requested1 linked violation
December 22, 2017State Formal Notice of Violation issued1 linked violation
December 22, 2017State Public Notification requested1 linked violation
December 22, 2017State Formal Notice of Violation issued1 linked violation
November 4, 2017State Public Notification requested1 linked violation
November 4, 2017State Formal Notice of Violation issued1 linked violation
November 4, 2017State Formal Notice of Violation issued1 linked violation
November 4, 2017State Public Notification requested1 linked violation
November 3, 2017State Formal Notice of Violation issued1 linked violation
November 3, 2017State Public Notification requested1 linked violation
October 15, 2017State Public Notification requested1 linked violation
October 15, 2017State Formal Notice of Violation issued1 linked violation
October 15, 2017State Compliance achieved1 linked violation
February 4, 2016State Formal Notice of Violation issued1 linked violation
February 4, 2016State Compliance achieved1 linked violation
February 4, 2016State Public Notification requested1 linked violation
September 25, 2015State Compliance achieved2 linked violations
April 22, 2015State Compliance achieved1 linked violation
April 22, 2015State Compliance achieved1 linked violation
January 16, 2015State Public Notification requested1 linked violation
January 16, 2015State Formal Notice of Violation issued1 linked violation
January 19, 2013State Public Notification requested1 linked violation
January 19, 2013State Formal Notice of Violation issued1 linked violation
February 16, 2011State Compliance achieved3 linked violations
September 22, 2010State Compliance achievedgeneral compliance action — not tied to a specific violation on record
December 31, 2009State Formal Notice of Violation issued1 linked violation
December 31, 2009State Public Notification requested1 linked violation
November 16, 2009State Compliance achieved1 linked violation
November 10, 2009State Compliance achieved3 linked violations
November 10, 2009State Compliance achieved1 linked violation
October 18, 2009State Public Notification requested2 linked violations
October 18, 2009State Formal Notice of Violation issued2 linked violations
October 2, 2009State Public Notification requested13 linked violations
June 5, 2006State Compliance achieved25 linked violations
September 29, 2003State Public Notification requested1 linked violation
September 20, 2003State Public Notification received1 linked violation
December 10, 2002State Compliance achieved1 linked violation
December 10, 2002State Compliance achieved1 linked violation
December 10, 2002State Compliance achieved1 linked violation
December 10, 2002State Compliance achieved1 linked violation
December 10, 2002State Compliance achieved1 linked violation
December 10, 2002State Compliance achieved1 linked violation
December 10, 2002State Compliance achieved1 linked violation
December 10, 2002State Compliance achieved1 linked violation
December 10, 2002State Compliance achieved1 linked violation
December 10, 2002State Compliance achieved1 linked violation
December 10, 2002State Compliance achieved1 linked violation
April 29, 2002State Formal Notice of Violation issued25 linked violations
October 31, 2000State Formal Notice of Violation issued1 linked violation
October 31, 2000State Public Notification requested1 linked violation
September 29, 1997State Formal Notice of Violation issued2 linked violations
September 29, 1997State Public Notification requested1 linked violation
August 29, 1997State Formal Notice of Violation issued1 linked violation
August 29, 1997State Public Notification requested1 linked violation
February 26, 1997State Formal Notice of Violation issued7 linked violations
June 29, 1993State Public Notification requested5 linked violations
June 3, 1993State Public Notification requested2 linked violations
December 8, 1992State Public Notification requested1 linked violation
December 8, 1992State Formal Notice of Violation issued2 linked violations
July 20, 1992Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record
January 10, 1991State Technical Assistance Visit2 linked violations
October 1, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 1, 1990State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
August 30, 1990State Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
May 16, 1990State Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
May 15, 1990State Technical Assistance Visitgeneral compliance action — not tied to a specific violation on record
March 1, 1990State Public Notification requested2 linked violations
January 30, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
January 30, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
December 27, 1989State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
December 27, 1989State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 29, 1989State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 29, 1989State Public Notification requestedgeneral compliance action — not tied to a specific violation on record

Contact

LYMAN, DAVID W

435-459-2791

BLANDING, UT 84511