TIERRA AMARILLA, NM · Rio Arriba County
ENSENADA MDWCA Water System
Consumer Confidence Report status
ENSENADA 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 2 open health-based violations for ENSENADA MDWCA.
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)
- NM3501821
- System type
- Community Water System
- Population served
- 300
- Service connections
- 80
- Ownership
- local government
- Water source
- groundwater (wells)
ENSENADA MDWCA is one of 667 community water systems in New Mexico in the 500 or fewer people size category, serving 300 people from groundwater.
As of August 1, 2026, its federal record holds 18 entries between 1981 and 2026, of which 2 health-based items remain open.
Of the 18, 11 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 Stage 1 Disinfectants and Disinfection Byproducts Rule, the Consumer Confidence Rule, and the Stage 2 Disinfectants and Disinfection Byproducts Rule.
Violation history
Failure To Address Deficiency
Health-basedGroundwater Rule
January 3, 2026
UnaddressedFailure To Address Deficiency
Health-basedGroundwater Rule
January 3, 2026
UnaddressedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2020 – August 17, 2020
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2019 – July 4, 2019
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
July 19, 2018 – September 4, 2018
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2017 – March 31, 2017
ArchivedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2017 – March 31, 2017
ArchivedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
December 1, 2016 – December 31, 2016
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
September 1, 2016 – August 31, 2017
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2016 – September 30, 2016
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2016 – September 30, 2016
ArchivedMonitoring and Reporting (DBP)
—Chlorine
June 1, 2016 – June 30, 2016
ResolvedMonitoring and Reporting (DBP)
—TTHM
October 1, 2015 – September 30, 2016
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
September 1, 2015 – August 31, 2016
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2014 – August 17, 2016
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2014 – August 31, 2014
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2001 – September 25, 2002
ResolvedMonitoring, Regular
—Nitrate
July 1, 1981 – June 30, 1984
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 |
|---|---|---|---|---|
| January 3, 2026 | Failure To Address Deficiency | Groundwater Rule | Health-based | Unaddressed |
| January 3, 2026 | Failure To Address Deficiency | Groundwater Rule | Health-based | Unaddressed |
| July 1, 2020 – August 17, 2020 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2019 – July 4, 2019 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 19, 2018 – September 4, 2018 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| January 1, 2017 – March 31, 2017 | Monitoring and Reporting (DBP) | Chlorine | — | Archived |
| January 1, 2017 – March 31, 2017 | Monitoring and Reporting (DBP) | Chlorine | — | Archived |
| December 1, 2016 – December 31, 2016 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| September 1, 2016 – August 31, 2017 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring and Reporting (DBP) | Chlorine | — | Archived |
| June 1, 2016 – June 30, 2016 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| October 1, 2015 – September 30, 2016 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| September 1, 2015 – August 31, 2016 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| July 1, 2014 – August 17, 2016 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2014 – August 31, 2014 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| July 1, 2001 – September 25, 2002 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 1981 – June 30, 1984 | Monitoring, Regular | Nitrate | — | 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
- October 22, 2010State Compliance achieved2 linked violations
- August 6, 2007State Compliance achieved21 linked violations
- July 30, 2004State Violation/Reminder Notice15 linked violations
Common questions
Is ENSENADA MDWCA required to publish a Consumer Confidence Report?
- Yes. ENSENADA 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 ENSENADA MDWCA’s next Consumer Confidence Report due?
- ENSENADA MDWCA’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ENSENADA MDWCA have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 2 open health-based violations for ENSENADA MDWCA.
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
CASADOS, TESS
505-470-0859
TIERRA AMARILLA, NM 87575