NM3531524 · New Mexico

BLANCO MDWCA

Federal fiscal 2026Q3 · EPA violation and follow-up records

Violation records shown: 23
EPA health-based flag: 4
Health-based records unresolved in this snapshot: 0
Monitoring and reporting records: 7

Counties listed by EPA · San Juan County, New Mexico

Find the utility’s annual water quality report. For current advisories, check the utility or local drinking-water authority.

Violations and what followed

Among 22 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 260.5 days. The interval uses the reporting periods and dates on file.

Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 152836 · Public Notice · Public Notice Rule and Revised PN Rule
Noncompliance period start August 22, 2025 · period end April 22, 2026 · first reported June 16, 2026 · EPA return-to-compliance field April 22, 2026

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
166 April 22, 2026 Resolving State Compliance achieved
Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 152838 · Public Notice · Public Notice Rule and Revised PN Rule
Noncompliance period start July 18, 2025 · period end April 22, 2026 · first reported June 16, 2026 · EPA return-to-compliance field April 22, 2026

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
166 April 22, 2026 Resolving State Compliance achieved
Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 152837 · Public Notice · Public Notice Rule and Revised PN Rule
Noncompliance period start September 27, 2024 · period end April 22, 2026 · first reported June 16, 2026 · EPA return-to-compliance field April 22, 2026

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
166 April 22, 2026 Resolving State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
166	April 22, 2026	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
166	April 22, 2026	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
166	April 22, 2026	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 152832 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start April 1, 2024 · period end June 30, 2024 · first reported August 16, 2024 · EPA return-to-compliance field June 30, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
153	July 17, 2024	Informal	State Violation/Reminder Notice
154	July 17, 2024	Informal	State Public Notification requested
160	August 5, 2024	Informal	State Public Notification received
162	November 21, 2024	Resolving	State no longer subject to Rule

Monitoring or reporting · Resolved

Monitoring and Reporting (DBP)Violation 152833 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start January 1, 2024 · period end March 31, 2024 · first reported August 16, 2024 · EPA return-to-compliance field March 31, 2024

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
157	June 27, 2024	Resolving	State Compliance achieved
155	July 17, 2024	Informal	State Violation/Reminder Notice
156	July 17, 2024	Informal	State Public Notification requested

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 152831 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start January 1, 2024 · period end March 31, 2024 · first reported August 16, 2024 · EPA return-to-compliance field March 31, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
153	July 17, 2024	Informal	State Violation/Reminder Notice
154	July 17, 2024	Informal	State Public Notification requested
160	August 5, 2024	Informal	State Public Notification received
162	November 21, 2024	Resolving	State no longer subject to Rule

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 152829 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start October 1, 2023 · period end December 31, 2023 · first reported March 28, 2024 · EPA return-to-compliance field December 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
149	January 24, 2024	Informal	State Violation/Reminder Notice
150	January 24, 2024	Informal	State Public Notification requested
161	August 5, 2024	Informal	State Public Notification received
162	November 21, 2024	Resolving	State no longer subject to Rule

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 152830 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported March 28, 2024 · EPA return-to-compliance field September 30, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
149	January 24, 2024	Informal	State Violation/Reminder Notice
150	January 24, 2024	Informal	State Public Notification requested
161	August 5, 2024	Informal	State Public Notification received
162	November 21, 2024	Resolving	State no longer subject to Rule

Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 152826 · Public Notice · Public Notice Rule and Revised PN Rule
Noncompliance period start February 1, 2023 · period end June 12, 2023 · first reported August 22, 2023 · EPA return-to-compliance field June 12, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
130 June 12, 2023 Resolving State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
130	June 12, 2023	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring and Reporting (DBP)Violation 152828 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start January 1, 2023 · period end March 31, 2023 · first reported November 17, 2023 · EPA return-to-compliance field March 31, 2023

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
148	June 27, 2023	Resolving	State Compliance achieved
145	September 27, 2023	Informal	State Violation/Reminder Notice
146	September 27, 2023	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring and Reporting (DBP)Violation 152827 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start September 1, 2022 · period end November 30, 2022 · first reported November 17, 2023 · EPA return-to-compliance field November 30, 2022

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
147	February 24, 2023	Resolving	State Compliance achieved
145	September 27, 2023	Informal	State Violation/Reminder Notice
146	September 27, 2023	Informal	State Public Notification requested

Monitoring or reporting · Resolved

Monitoring and Reporting (DBP)Violation 152824 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start December 1, 2021 · period end February 28, 2022 · first reported November 14, 2022 · EPA return-to-compliance field February 28, 2022

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
129	May 27, 2022	Resolving	State Compliance achieved
127	August 9, 2022	Informal	State Violation/Reminder Notice
128	August 9, 2022	Informal	State Public Notification requested
131	June 28, 2023	Informal	State Public Notification received

Monitoring or reporting · Resolved

Follow-up Or Routine LCR Tap M/RViolation 152834 · Lead and Copper Rule · Lead and Copper Rule

Noncompliance period start October 1, 2021 · period end August 22, 2024 · first reported March 31, 2025 · EPA return-to-compliance field August 22, 2024

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
158	August 21, 2024	Informal	State Violation/Reminder Notice
159	August 21, 2024	Informal	State Public Notification requested
163	August 22, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Monitoring and Reporting (DBP)Violation 152823 · Total Haloacetic Acids (HAA5) · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start June 1, 2021 · period end August 31, 2021 · first reported February 23, 2022 · EPA return-to-compliance field August 31, 2021

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
125	November 29, 2021	Resolving	State Compliance achieved
123	January 31, 2022	Informal	State Violation/Reminder Notice
124	January 31, 2022	Informal	State Public Notification requested
134	June 28, 2023	Informal	State Public Notification received

Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 152817 · Public Notice · Public Notice Rule and Revised PN Rule
Noncompliance period start June 1, 2019 · period end February 8, 2022 · first reported February 22, 2021 · EPA return-to-compliance field February 8, 2022

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
126 February 8, 2022 Resolving State Compliance achieved
Monitoring or reporting · Unaddressed by formal action
Lead Consumer NoticeViolation 152814 · Lead and Copper Rule · Lead and Copper Rule
Noncompliance period start December 30, 2018 · first reported February 18, 2020

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
116 February 14, 2020 Informal State Violation/Reminder Notice
Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 152820 · Public Notice · Public Notice Rule and Revised PN Rule
Noncompliance period start November 10, 2018 · period end February 8, 2022 · first reported February 22, 2021 · EPA return-to-compliance field February 8, 2022

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
126 February 8, 2022 Resolving State Compliance achieved
Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 152816 · Public Notice · Public Notice Rule and Revised PN Rule
Noncompliance period start July 27, 2018 · period end February 8, 2022 · first reported February 22, 2021 · EPA return-to-compliance field February 8, 2022

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
126 February 8, 2022 Resolving State Compliance achieved
Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 152818 · Public Notice · Public Notice Rule and Revised PN Rule
Noncompliance period start April 27, 2018 · period end February 8, 2022 · first reported February 22, 2021 · EPA return-to-compliance field February 8, 2022

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
126 February 8, 2022 Resolving State Compliance achieved
Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 152819 · Public Notice · Public Notice Rule and Revised PN Rule
Noncompliance period start September 17, 2017 · period end February 8, 2022 · first reported February 22, 2021 · EPA return-to-compliance field February 8, 2022

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
126 February 8, 2022 Resolving State Compliance achieved
Other or unclassified · Resolved
Consumer Confidence Report Inadequate ReportingViolation 152840 · Consumer Confidence Rule · Consumer Confidence Rule
Noncompliance period start October 1, 2016 · period end June 27, 2019 · first reported June 16, 2026 · EPA return-to-compliance field June 27, 2019

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
168 June 27, 2019 Resolving State Compliance achieved
167 June 9, 2026 Informal State Violation/Reminder Notice
Other or unclassified · Resolved
Consumer Confidence Report Complete Failure to ReportViolation 152835 · Consumer Confidence Rule · Consumer Confidence Rule
Noncompliance period start July 1, 2015 · period end October 17, 2017 · first reported March 31, 2026 · EPA return-to-compliance field October 17, 2017

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
86 October 17, 2017 Resolving State Compliance achieved
164 January 29, 2026 Informal State Violation/Reminder Notice
Other or unclassified · Resolved
Consumer Confidence Report Inadequate ReportingViolation 152839 · Consumer Confidence Rule · Consumer Confidence Rule
Noncompliance period start October 1, 2014 · period end June 27, 2019 · first reported June 16, 2026 · EPA return-to-compliance field June 27, 2019

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
168 June 27, 2019 Resolving State Compliance achieved
167 June 9, 2026 Informal State Violation/Reminder Notice

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
126	February 8, 2022	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
116	February 14, 2020	Informal	State Violation/Reminder Notice

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
126	February 8, 2022	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
126	February 8, 2022	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
126	February 8, 2022	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
126	February 8, 2022	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
168	June 27, 2019	Resolving	State Compliance achieved
167	June 9, 2026	Informal	State Violation/Reminder Notice

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
86	October 17, 2017	Resolving	State Compliance achieved
164	January 29, 2026	Informal	State Violation/Reminder Notice

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
168	June 27, 2019	Resolving	State Compliance achieved
167	June 9, 2026	Informal	State Violation/Reminder Notice

EPA data and scope

How to read the records

The enforcement snapshot is federal fiscal 2026Q3. The EPA archive labels its violation file October 13, 2026. EPA says federal reporting can lag by several months. For current advisories, check your utility or local drinking-water authority.

We matched active community water systems by public water system ID between EPA’s system search and SDWIS inventory. We show violations with a recorded noncompliance, initial reporting or return-to-compliance date from 2021 onward, plus earlier records listed as Addressed or Unaddressed.
EPA’s health-based flag identifies violations of contaminant or disinfectant limits or treatment requirements. Monitoring and reporting violations describe required tests or reports. Neither category measures household exposure.
Addressed means EPA records formal enforcement on a violation that remains unresolved in the snapshot. Unaddressed means no formal action is recorded for an unresolved violation. Resolved can mean compliance was restored, the rule ceased to apply, or further action was unnecessary. Archived is a separate status.
We count a violation once per water system and group its distinct linked actions. Conflicting records are set aside. Places are EPA-listed search locations and can include mailing locations. Use the provider name and system ID to identify your service.

EPA data dictionary and files · EPA reporting and enforcement FAQ · Find an annual water quality report · How to get the report from your utility