Is ARROYO SECO MDWCA required to publish a Consumer Confidence Report?

Yes. ARROYO SECO MDWCA 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 ARROYO SECO MDWCA’s next Consumer Confidence Report due?

ARROYO SECO MDWCA’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.

ARROYO SECO, NM · Taos County

ARROYO SECO MDWCA Water System

Consumer Confidence Report status

ARROYO SECO MDWCA 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 1 item for ARROYO SECO MDWCA that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

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

System facts

System ID (PWSID): NM3505529
System type: Community Water System
Population served: 444
Service connections: 182
Ownership: local government
Water source: groundwater (wells)

ARROYO SECO MDWCA is one of 667 community water systems in New Mexico in the 500 or fewer people size category, serving 444 people from groundwater.

As of August 1, 2026, its federal record holds 38 entries between 1990 and 2025, of which 1 remains open; none are health-based.

Of the 38, 14 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 the Consumer Confidence Rule, the Stage 2 Disinfectants and Disinfection Byproducts Rule, and the Lead and Copper Rule.

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2025
Unaddressed
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2025 – July 18, 2025
Resolved
LSL Inventory
Health-based
LEAD AND COPPER RULE REVISIONS
October 17, 2024 – May 20, 2025
Resolved
LSL Reporting
—
LEAD AND COPPER RULE REVISIONS
October 17, 2024 – May 20, 2025
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2024 – August 10, 2025
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2024 – July 18, 2025
Resolved
Monitoring and Reporting (DBP)
—
TTHM
September 1, 2022 – August 31, 2023
Archived
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
September 1, 2022 – August 31, 2023
Archived
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
September 1, 2021 – August 31, 2022
Archived
Monitoring and Reporting (DBP)
—
TTHM
September 1, 2021 – August 31, 2022
Archived
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2021 – August 9, 2021
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2020 – October 22, 2024
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2020 – August 9, 2021
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2019 – October 9, 2019
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2019 – October 9, 2019
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2015 – January 13, 2017
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2014 – June 29, 2016
Resolved
Monitoring and Reporting (DBP)
—
TTHM
September 1, 2014 – August 31, 2015
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
September 1, 2014 – August 31, 2015
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – June 29, 2016
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2014 – July 31, 2014
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2014 – July 31, 2014
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2013 – August 20, 2015
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2009 – December 10, 2009
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2009 – December 10, 2009
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
November 2, 2007 – October 22, 2010
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 2, 2007 – February 6, 2008
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2007 – January 23, 2008
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
March 17, 2007 – October 22, 2010
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2006 – September 30, 2006
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2006 – January 23, 2008
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2005 – December 31, 2007
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2004 – January 23, 2008
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2003 – January 23, 2008
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
August 1, 1995 – August 31, 1995
Resolved
Notification, Public
—
Coliform (Pre-TCR)
November 1, 1990 – November 30, 1990
Archived
Notification, Public
—
Coliform (Pre-TCR)
April 1, 1990 – April 30, 1990
Archived

Unaddressed no corrective action on record yetResolved 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, 2025	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Unaddressed
July 1, 2025 – July 18, 2025	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 17, 2024 – May 20, 2025	LSL Inventory	LEAD AND COPPER RULE REVISIONS	Health-based	Resolved
October 17, 2024 – May 20, 2025	LSL Reporting	LEAD AND COPPER RULE REVISIONS	—	Resolved
October 1, 2024 – August 10, 2025	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2024 – July 18, 2025	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
September 1, 2022 – August 31, 2023	Monitoring and Reporting (DBP)	TTHM	—	Archived
September 1, 2022 – August 31, 2023	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Archived
September 1, 2021 – August 31, 2022	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Archived
September 1, 2021 – August 31, 2022	Monitoring and Reporting (DBP)	TTHM	—	Archived
July 1, 2021 – August 9, 2021	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2020 – October 22, 2024	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2020 – August 9, 2021	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2019 – October 9, 2019	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2019 – October 9, 2019	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2015 – January 13, 2017	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 2014 – June 29, 2016	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
September 1, 2014 – August 31, 2015	Monitoring and Reporting (DBP)	TTHM	—	Resolved
September 1, 2014 – August 31, 2015	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2014 – June 29, 2016	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2014 – July 31, 2014	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2014 – July 31, 2014	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2013 – August 20, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2009 – December 10, 2009	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2009 – December 10, 2009	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
November 2, 2007 – October 22, 2010	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 2, 2007 – February 6, 2008	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2007 – January 23, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
March 17, 2007 – October 22, 2010	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
September 1, 2006 – September 30, 2006	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2006 – January 23, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
July 1, 2004 – January 23, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2003 – January 23, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
August 1, 1995 – August 31, 1995	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
November 1, 1990 – November 30, 1990	Notification, Public	Coliform (Pre-TCR)	—	Archived
April 1, 1990 – April 30, 1990	Notification, Public	Coliform (Pre-TCR)	—	Archived

Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

May 9, 2013State Compliance achieved1 linked violation
December 10, 2009State Compliance achieved2 linked violations
October 13, 2009State Violation/Reminder Notice1 linked violation
July 13, 2009State Violation/Reminder Notice2 linked violations
July 1, 2008State Public Notification received1 linked violation
July 1, 2008State Public Notification received1 linked violation
February 6, 2008State Compliance achieved13 linked violations
January 23, 2008State Public Notification received1 linked violation
January 23, 2008State Compliance achieved6 linked violations
December 3, 2007State Public Notification requested3 linked violations
December 3, 2007State Violation/Reminder Notice1 linked violation
December 3, 2007State Violation/Reminder Notice3 linked violations
March 30, 2007State Compliance achieved1 linked violation
November 1, 2006State Violation/Reminder Notice3 linked violations
November 1, 2006State Compliance Meeting conducted1 linked violation
November 1, 2006State Public Notification requested3 linked violations
July 1, 2006State Compliance achieved1 linked violation
March 16, 2006State Violation/Reminder Notice1 linked violation
March 16, 2006State Compliance Meeting conducted1 linked violation
March 16, 2006State Public Notification requested1 linked violation
August 15, 1995State Public Notification requested17 linked violations
April 29, 1992State Violation/Reminder Notice1 linked violation

Common questions

Is ARROYO SECO MDWCA required to publish a Consumer Confidence Report?: Yes. ARROYO SECO MDWCA 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 ARROYO SECO MDWCA’s next Consumer Confidence Report due?: ARROYO SECO MDWCA’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ARROYO SECO MDWCA have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show 1 item for ARROYO SECO MDWCA that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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

CHACON, MAYA

575-770-6722

ARROYO SECO, NM 87514