Is MONTE DEL ESTADO required to publish a Consumer Confidence Report?

Yes. MONTE DEL ESTADO 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 MONTE DEL ESTADO’s next Consumer Confidence Report due?

MONTE DEL ESTADO’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

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.

MARICAO, PR · Maricao Municipio County

MONTE DEL ESTADO Water System

Consumer Confidence Report status

MONTE DEL ESTADO 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 MONTE DEL ESTADO.

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 Puerto Rico’s official records. Always confirm current status with Puerto Rico before making decisions based on this information.

System facts

System ID (PWSID): PR0003523
System type: Community Water System
Population served: 708
Service connections: 265
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

MONTE DEL ESTADO is one of 231 community water systems in Puerto Rico in the 501 to 3,300 people size category, serving 708 people from surface water.

As of August 1, 2026, its federal record holds 108 entries between 1983 and 2022, all of which EPA lists as closed. Nothing has been added since 2022.

Of the 108, 81 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, the Stage 1 Disinfectants and Disinfection Byproducts Rule, and the Surface Water Treatment Rules.

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2022 – July 4, 2022
Resolved
Monitoring, Regular
—
Chlordane
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Pentachlorophenol
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
2,4,5-TP
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
2,4-D
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Heptachlor epoxide
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Heptachlor
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
LASSO
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Atrazine
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Carbofuran
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Dinoseb
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Picloram
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Simazine
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
OXAMYL
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Glyphosate
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Endothall
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Diquat
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Dalapon
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Toxaphene
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Methoxychlor
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
Endrin
July 1, 2021 – September 30, 2021
Resolved
Monitoring, Regular
—
BHC-GAMMA
July 1, 2021 – September 30, 2021
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2020 – July 1, 2021
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2018 – August 13, 2019
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2018 – March 31, 2018
Resolved
Monitoring, Source Water (LT2)
—
E. COLI
January 1, 2018 – January 31, 2018
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
January 1, 2016 – December 31, 2018
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – August 20, 2014
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Endrin
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Diquat
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Endothall
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Simazine
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Picloram
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
LASSO
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2014 – March 31, 2014
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2014 – March 31, 2014
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
July 1, 2012 – December 31, 2018
Resolved
Monitoring, Source Water (LT2)
—
Cryptosporidium
November 1, 2011 – November 30, 2011
Archived
Monitoring, Source Water (LT2)
—
Cryptosporidium
October 1, 2011 – October 31, 2011
Archived
Monitoring, Source Water (LT2)
—
Cryptosporidium
August 1, 2011 – August 31, 2011
Archived
Monitoring, Source Water (LT2)
—
Cryptosporidium
June 1, 2011 – June 30, 2011
Archived
Monitoring, Source Water (LT2)
—
E. COLI
October 1, 2010 – October 31, 2010
Archived
Monitoring, Source Water (LT2)
—
Cryptosporidium
October 1, 2010 – October 31, 2010
Archived
Monitoring, Source Water (LT2)
—
Cryptosporidium
July 1, 2010 – July 31, 2010
Archived
Monitoring, Source Water (LT2)
—
Cryptosporidium
August 1, 2009 – August 31, 2009
Resolved
Monitoring, Source Water (LT2)
—
Cryptosporidium
May 1, 2009 – May 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2008 – June 30, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2008 – March 31, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2008 – March 31, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2007 – December 31, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2007 – December 31, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2007 – September 30, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2007 – September 30, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2007 – June 30, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2007 – June 30, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2007 – March 31, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2007 – March 31, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2006 – December 31, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2006 – September 30, 2006
Resolved
Monitoring and Reporting (DBP)
—
CARBON, TOTAL
July 1, 2006 – September 30, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2005 – September 30, 2005
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2005 – June 30, 2005
Archived
Monitoring, Regular
—
Asbestos
January 1, 2005 – December 31, 2005
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2005 – March 31, 2005
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 2004 – December 31, 2004
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 2004 – November 30, 2004
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2004 – December 31, 2004
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
October 1, 2004 – October 31, 2004
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 1998 – October 31, 1998
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
January 1, 1994 – January 31, 1994
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
December 1, 1993 – December 31, 1993
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
November 1, 1993 – November 30, 1993
Archived
Monitoring, Regular
—
Nitrate
September 30, 1983 – September 29, 1984
Archived
Monitoring, Regular
—
Mercury
September 30, 1983 – September 29, 1984
Archived
Monitoring, Regular
—
Barium
September 30, 1983 – September 29, 1984
Archived
Monitoring, Regular
—
Cadmium
September 30, 1983 – September 29, 1984
Archived
Monitoring, Regular
—
Chromium
September 30, 1983 – September 29, 1984
Archived
Monitoring, Regular
—
Fluoride
September 30, 1983 – September 29, 1984
Archived
Monitoring, Regular
—
Arsenic
September 30, 1983 – September 29, 1984
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
July 1, 2022 – July 4, 2022	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	Chlordane	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	Pentachlorophenol	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	2,4,5-TP	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	2,4-D	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	Heptachlor epoxide	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	Heptachlor	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	LASSO	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	Atrazine	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	Carbofuran	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	Dinoseb	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	Picloram	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	Simazine	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	OXAMYL	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	Glyphosate	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	Endothall	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	Diquat	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	Dalapon	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	Toxaphene	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	Methoxychlor	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	Endrin	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring, Regular	BHC-GAMMA	—	Resolved
July 1, 2020 – July 1, 2021	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2018 – August 13, 2019	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
January 1, 2018 – March 31, 2018	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2018 – January 31, 2018	Monitoring, Source Water (LT2)	E. COLI	—	Resolved
January 1, 2016 – December 31, 2018	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
July 1, 2014 – August 20, 2014	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Endrin	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Diquat	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Endothall	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Simazine	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Picloram	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	LASSO	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2014 – March 31, 2014	Monitoring, Regular	Chlordane	—	Resolved
July 1, 2012 – December 31, 2018	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
November 1, 2011 – November 30, 2011	Monitoring, Source Water (LT2)	Cryptosporidium	—	Archived
October 1, 2011 – October 31, 2011	Monitoring, Source Water (LT2)	Cryptosporidium	—	Archived
August 1, 2011 – August 31, 2011	Monitoring, Source Water (LT2)	Cryptosporidium	—	Archived
June 1, 2011 – June 30, 2011	Monitoring, Source Water (LT2)	Cryptosporidium	—	Archived
October 1, 2010 – October 31, 2010	Monitoring, Source Water (LT2)	E. COLI	—	Archived
October 1, 2010 – October 31, 2010	Monitoring, Source Water (LT2)	Cryptosporidium	—	Archived
July 1, 2010 – July 31, 2010	Monitoring, Source Water (LT2)	Cryptosporidium	—	Archived
August 1, 2009 – August 31, 2009	Monitoring, Source Water (LT2)	Cryptosporidium	—	Resolved
May 1, 2009 – May 31, 2009	Monitoring, Source Water (LT2)	Cryptosporidium	—	Resolved
April 1, 2008 – June 30, 2008	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2008 – March 31, 2008	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2008 – March 31, 2008	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2007 – December 31, 2007	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2007 – December 31, 2007	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2007 – September 30, 2007	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2007 – September 30, 2007	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2007 – June 30, 2007	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2007 – June 30, 2007	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2007 – March 31, 2007	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2007 – March 31, 2007	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
October 1, 2006 – December 31, 2006	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2006 – September 30, 2006	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2006 – September 30, 2006	Monitoring and Reporting (DBP)	CARBON, TOTAL	—	Resolved
July 1, 2005 – September 30, 2005	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
April 1, 2005 – June 30, 2005	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
January 1, 2005 – December 31, 2005	Monitoring, Regular	Asbestos	—	Archived
January 1, 2005 – March 31, 2005	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
December 1, 2004 – December 31, 2004	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
November 1, 2004 – November 30, 2004	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
October 1, 2004 – December 31, 2004	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
October 1, 2004 – October 31, 2004	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
October 1, 1998 – October 31, 1998	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
January 1, 1994 – January 31, 1994	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
December 1, 1993 – December 31, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
November 1, 1993 – November 30, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
September 30, 1983 – September 29, 1984	Monitoring, Regular	Nitrate	—	Archived
September 30, 1983 – September 29, 1984	Monitoring, Regular	Mercury	—	Archived
September 30, 1983 – September 29, 1984	Monitoring, Regular	Barium	—	Archived
September 30, 1983 – September 29, 1984	Monitoring, Regular	Cadmium	—	Archived
September 30, 1983 – September 29, 1984	Monitoring, Regular	Chromium	—	Archived
September 30, 1983 – September 29, 1984	Monitoring, Regular	Fluoride	—	Archived
September 30, 1983 – September 29, 1984	Monitoring, Regular	Arsenic	—	Archived

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

Enforcement actions

July 4, 2022State Compliance achieved1 linked violation
December 31, 2021State Compliance achieved29 linked violations
October 25, 2021State Formal Notice of Violation issued29 linked violations
July 1, 2021State Compliance achieved1 linked violation
July 1, 2021State Compliance achieved1 linked violation
August 10, 2020State Compliance achievedgeneral compliance action — not tied to a specific violation on record
March 31, 2020State Compliance achieved1 linked violation
August 13, 2019State Compliance achieved1 linked violation
July 10, 2019State Formal Notice of Violation issued1 linked violation
December 31, 2018State Compliance achieved2 linked violations
December 3, 2018State Compliance achieved1 linked violation
June 25, 2018State Formal Notice of Violation issued1 linked violation
May 4, 2018State Formal Notice of Violation issued1 linked violation
February 28, 2018State Compliance achieved1 linked violation
February 19, 2016State Formal Notice of Violation issued1 linked violation
June 30, 2015State Compliance achieved29 linked violations
August 20, 2014State Compliance achieved1 linked violation
April 30, 2014State Formal Notice of Violation issued29 linked violations
February 6, 2013State Formal Notice of Violation issued1 linked violation
June 21, 2012State Formal Notice of Violation issued4 linked violations
June 13, 2011State Formal Notice of Violation issued3 linked violations
June 30, 2010State Compliance achieved2 linked violations
September 30, 2009State Compliance achieved1 linked violation
June 30, 2009State Compliance achieved2 linked violations
June 30, 2009State Compliance achieved4 linked violations
June 30, 2009State Compliance achieved6 linked violations
March 31, 2009State Compliance achieved2 linked violations
September 30, 2007State Compliance achieved1 linked violation
August 23, 2006State Formal Notice of Violation issued2 linked violations
November 10, 2005State Administrative/Compliance Order without penalty issued2 linked violations
August 12, 2004State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
February 9, 1999State Public Notification requested1 linked violation
April 20, 1994State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
March 4, 1994State Administrative/Compliance Order without penalty issued1 linked violation
January 29, 1994State Public Notification received1 linked violation
January 28, 1994State Public Notification received1 linked violation
November 5, 1993State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
November 2, 1993State Violation/Reminder Notice1 linked violation
December 20, 1992State Public Notification received1 linked violation
October 23, 1991State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
October 19, 1990State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record

Common questions

Is MONTE DEL ESTADO required to publish a Consumer Confidence Report?: Yes. MONTE DEL ESTADO 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 MONTE DEL ESTADO’s next Consumer Confidence Report due?: MONTE DEL ESTADO’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MONTE DEL ESTADO have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for MONTE DEL ESTADO.
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

MONTE DEL ESTADO

787-620-2277

MARICAO, PR 00606