Public water system record
Mayhill MDWCA
Serves Mayhill, Otero County, NM · 143 people served
Federal records show 12 health-based violations and 14 monitoring/reporting issues for Mayhill MDWCA in the last ten years, including an unresolved Groundwater Rule violation.
System profile
- Health-based violations, last 10 years
- 12
- Resolved
- 11
- Unresolved
- 1
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 14
Key facts
- Mayhill MDWCA draws water from 1 well.
- Most recent enforcement action: boil water order by New Mexico, July 2020.
- Record on file since 1994, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 48 unknown out of 55 service lines.
Check whether Mayhill MDWCA serves your address
Health-based violations
Since October 2016Violation 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 | Nov 23, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Nov 23, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Jan 7, 2022 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Jan 7, 2022 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Jan 7, 2022 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Jan 7, 2022 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Jan 7, 2022 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Jan 7, 2022 | Active | No |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Jul 1, 2020 | Resolved | Yes |
|
Groundwater Rule
Treatment technique failure
|
140 | Sep 26, 2019 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Sep 26, 2019 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Dec 22, 2018 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2025 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Apr 14, 2023 | Resolved |
|
Public Notice
OTHER
|
Aug 28, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Resolved |
|
E. coli
Monitoring and reporting
|
Aug 26, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Jul 22, 2020 | Resolved |
|
Public Notice
OTHER
|
Jul 2, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2020 | Resolved |
|
Public Notice
OTHER
|
Nov 7, 2019 | Resolved |
|
Public Notice
OTHER
|
Nov 7, 2019 | Resolved |
|
Public Notice
OTHER
|
Nov 7, 2019 | Resolved |
Full record since 1994
EPA's records for Mayhill MDWCA go back to 1994. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 5 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 4 |
| 2010 to October 18, 2016 | 0 | 1 |
| October 19, 2016 to 2019 | 3 | 3 |
| 2020s | 9 | 11 |
Most recent health-based violation before October 19, 2016: Total Coliform, began October 1994, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1994 | Resolved |
Enforcement actions
New Mexico regulators issued 1 boil water order to Mayhill MDWCA in 2020. The most recent was a boil water order in July 2020.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jul 20, 2020 | New Mexico | Boil water order | 1 violation (1 health-based): Revised Total Coliform Rule |
What the violations mean
Groundwater Rule
11 incidentsThe 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.
Revised Total Coliform Rule
1 incidentThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Where the water comes from
Mayhill MDWCA draws water from 1 well.
Annual water quality report
Mayhill 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 Mayhill 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.
Certified drinking water labs by state EPA guidance for private wells