Public water system record

Cebolla MDWCA

Serves an area of Rio Arriba County, NM · 350 people served

Federal records show 12 health-based violations and 77 monitoring/reporting issues for Cebolla MDWCA in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.

  • NM3500921
  • CEBOLLA
  • NM
  • 350 served

System profile

Source water Groundwater
ZIP 87518
EPA system ID NM3500921

Verify this system on EPA ECHO →

Health-based violations, last 10 years
12
Resolved
12
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
77

Key facts

  • Cebolla MDWCA draws water from 1 well.
  • Most recent formal enforcement: compliance order (no penalty) by New Mexico, February 2020.
  • Record on file since 1991, with 12 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 84 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Groundwater Rule
Treatment technique failure
140 Jul 23, 2023 Resolved No
Groundwater Rule
Treatment technique failure
140 Jul 23, 2023 Resolved No
Groundwater Rule
Treatment technique failure
140 Jul 23, 2023 Resolved No
Groundwater Rule
Treatment technique failure
140 Jul 23, 2023 Resolved No
Groundwater Rule
Treatment technique failure
140 Jul 23, 2023 Resolved No
Groundwater Rule
Treatment technique failure
140 Jul 23, 2023 Resolved No
Groundwater Rule
Treatment technique failure
140 Jul 23, 2023 Resolved No
Groundwater Rule
Treatment technique failure
140 Jul 23, 2023 Resolved No
Groundwater Rule
Treatment technique failure
140 Jul 23, 2023 Resolved No
Groundwater Rule
Treatment technique failure
140 Jul 23, 2023 Resolved No
Groundwater Rule
Treatment technique failure
140 Jul 23, 2023 Resolved No
Groundwater Rule
Treatment technique failure
140 Jun 25, 2017 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Lead and Copper Rule
Monitoring and reporting
Sep 29, 2025 Active
Lead and Copper Rule
Monitoring and reporting
Apr 1, 2025 Active
Lead and Copper Rule
Monitoring and reporting
Sep 29, 2024 Active
Consumer Confidence Rule
OTHER
Jul 1, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2023 Resolved
Groundwater Rule
OTHER
Apr 27, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2022 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Aug 1, 2022 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Aug 1, 2022 Resolved
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2021 Active
Public Notice
OTHER
Oct 16, 2021 Resolved
Public Notice
OTHER
Oct 16, 2021 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Aug 1, 2021 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Aug 1, 2021 Resolved
Public Notice
OTHER
Dec 22, 2020 Resolved
Public Notice
OTHER
Dec 22, 2020 Resolved
Public Notice
OTHER
Dec 22, 2020 Resolved
Public Notice
OTHER
Dec 22, 2020 Resolved
Public Notice
OTHER
Dec 17, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2020 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
Oct 1, 2020 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Aug 1, 2020 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Aug 1, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
Jul 1, 2020 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
Mar 1, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
Feb 1, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
Jan 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2019 Active
Revised Total Coliform Rule
Monitoring violation
Dec 1, 2019 Resolved
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2019 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Aug 1, 2019 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Aug 1, 2019 Resolved
Public Notice
OTHER
Jul 2, 2019 Resolved
Public Notice
OTHER
Jul 2, 2019 Resolved
Public Notice
OTHER
Nov 10, 2018 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2018 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2018 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2018 Resolved
Public Notice
OTHER
Mar 23, 2018 Resolved
Public Notice
OTHER
Mar 23, 2018 Resolved
Public Notice
OTHER
Mar 23, 2018 Resolved
Public Notice
OTHER
Mar 23, 2018 Resolved
Public Notice
OTHER
Mar 23, 2018 Resolved
Public Notice
OTHER
Feb 21, 2018 Resolved
Public Notice
OTHER
Feb 17, 2018 Resolved
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2017 Active
Public Notice
OTHER
Oct 18, 2017 Resolved
Public Notice
OTHER
Oct 18, 2017 Resolved
Public Notice
OTHER
Oct 18, 2017 Resolved
Public Notice
OTHER
Oct 18, 2017 Resolved
Public Notice
OTHER
Oct 7, 2017 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2017 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Aug 1, 2017 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Aug 1, 2017 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2017 Resolved
Public Notice
OTHER
May 21, 2017 Resolved
Public Notice
OTHER
May 21, 2017 Resolved
Public Notice
OTHER
May 21, 2017 Resolved
Public Notice
OTHER
May 21, 2017 Resolved
Public Notice
OTHER
May 21, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
Feb 1, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
Jan 1, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
Dec 1, 2016 Resolved
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2016 Resolved
Revised Total Coliform Rule
Monitoring violation
Oct 1, 2016 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2016 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Aug 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Aug 1, 2016 Resolved
Revised Total Coliform Rule
OTHER
Jun 2, 2016 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2015 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2014 Resolved
Public Notice
OTHER
Jan 23, 2014 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2013 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2002 Active

Full record since 1991

EPA's records for Cebolla MDWCA go back to 1991. Before October 19, 2016 they list 12 health-based violations (11 resolved, 1 archived by EPA without a recorded fix) and 49 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 6 10
2000s 6 13
2010 to October 18, 2016 0 26
October 19, 2016 to 2019 1 37
2020s 11 30

Most recent health-based violation before October 19, 2016: Total Coliform (acute), began December 2001, Resolved.

Show all 12 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform (acute)
Contaminant limit exceeded
Dec 1, 2001 Resolved
Total Coliform
Contaminant limit exceeded
Nov 1, 2001 Resolved
Total Coliform
Contaminant limit exceeded
Oct 1, 2001 Resolved
Total Coliform
Contaminant limit exceeded
Dec 1, 2000 Resolved
Total Coliform
Contaminant limit exceeded
Nov 1, 2000 Resolved
Total Coliform
Contaminant limit exceeded
Oct 1, 2000 Resolved
Total Coliform
Contaminant limit exceeded
Aug 1, 1998 Resolved
Total Coliform
Contaminant limit exceeded
Jun 1, 1998 Resolved
Total Coliform
Contaminant limit exceeded
Mar 1, 1998 Resolved
Surface Water Treatment Rule
Treatment technique failure
Jan 1, 1992 Resolved
Total Coliform (acute)
Contaminant limit exceeded
Dec 1, 1991 Archived
Total Coliform (acute)
Contaminant limit exceeded
Dec 1, 1991 Resolved

Enforcement actions

New Mexico regulators and EPA took 5 formal enforcement actions against Cebolla MDWCA and issued 3 boil water orders between 1991 and 2020. The most recent was a compliance order (no penalty) in February 2020.

Date By Action Violations covered
Feb 13, 2020 New Mexico Compliance order (no penalty) 2 violations: Revised Total Coliform Rule
Aug 19, 2015 EPA Compliance order (no penalty) 4 violations: Consumer Confidence Rule, Chlorine
Sep 27, 2002 EPA Compliance order (no penalty) 13 violations (6 health-based): Total Coliform
Dec 13, 2001 New Mexico Boil water order 1 violation (1 health-based): Total Coliform
Dec 11, 1998 EPA Compliance order (no penalty) 11 violations (4 health-based): Total Coliform, Surface Water Treatment Rule
May 19, 1994 EPA Compliance order (no penalty) 3 violations (3 health-based): Surface Water Treatment Rule, Total Coliform
Dec 31, 1991 New Mexico Boil water order 1 violation (1 health-based): Total Coliform
Dec 20, 1991 New Mexico Boil water order 1 violation (1 health-based): Total Coliform

What the violations mean

Groundwater Rule

12 incidents

The system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).

The utility had to notify customers about each of these violations.

Where the water comes from

Cebolla MDWCA draws water from 1 well.

Annual water quality report

Cebolla MDWCA must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Cebolla MDWCA for a copy.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by New Mexico.