MAYHILL MDWCA
PWSID: NM3513819 · Mayhill, NM · Serves 143 people
MAYHILL MDWCA has 26 health-based violations out of 26 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
MAYHILL MDWCA (PWSID NM3513819) is a cws water system drawing from a groundwater source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 143 people in Mayhill, NM, and is subject to primacy enforcement by the New Mexico drinking-water program.
The system's federal compliance record contains 26 total violations, with 26 classified as health-based (MCL exceedances or treatment-technique failures). 2 distinct contaminants have been cited, including Fluoride, E. coli. Recorded violations span 2018–2024.
A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the New Mexico state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- NM3513819
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Mayhill, NM
- Population Served
- 143
- Health Violations
- Yes (26)
What contaminants are in this water system?
Violation History (26)
| Contaminant | Health | Date |
|---|---|---|
| Fluoride | Yes | Nov 23, 2024 |
| Fluoride | Yes | Nov 23, 2024 |
| Fluoride | Yes | Jan 7, 2022 |
| Fluoride | Yes | Jan 7, 2022 |
| Fluoride | Yes | Jan 7, 2022 |
| Fluoride | Yes | Jan 7, 2022 |
| Fluoride | Yes | Jan 7, 2022 |
| Fluoride | Yes | Jan 7, 2022 |
| Fluoride | Yes | Jan 7, 2022 |
| Fluoride | Yes | Jan 7, 2022 |
| Fluoride | Yes | Jan 7, 2022 |
| Fluoride | Yes | Jan 7, 2022 |
| Fluoride | Yes | Jan 7, 2022 |
| Fluoride | Yes | Jan 7, 2022 |
| Fluoride | Yes | Jan 7, 2022 |
| Fluoride | Yes | Jan 7, 2022 |
| Fluoride | Yes | Jan 7, 2022 |
| Fluoride | Yes | Jan 7, 2022 |
| E. coli | Yes | Jul 1, 2020 |
| E. coli | Yes | Jul 1, 2020 |
| Fluoride | Yes | Sep 26, 2019 |
| Fluoride | Yes | Sep 26, 2019 |
| Fluoride | Yes | Sep 26, 2019 |
| Fluoride | Yes | Sep 26, 2019 |
| Fluoride | Yes | Dec 22, 2018 |
| Fluoride | Yes | Dec 22, 2018 |
Frequently Asked Questions
Is MAYHILL MDWCA water safe to drink?
How many people does MAYHILL MDWCA serve?
What violations does MAYHILL MDWCA have?
What contaminants have been found in MAYHILL MDWCA water?
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About This Data
Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.