Mayhill Mdwca
EPA ID: NM3513819 · 143 people served · 2 ZIP codes
ZipCheckup's reading of EPA records for Mayhill Mdwca (NM3513819): 1 violation recorded with unresolved status in the SDWIS data used. Looking at the EPA enforcement file for Mayhill Mdwca, 1 violation is listed as unresolved as of its reporting date; the utility's service area includes approximately 143 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Mayhill Mdwca Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Mayhill Mdwca have a median household income of $73,144 and about 3,297 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 49% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 56% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Mayhill Mdwca's water is classified in EPA records as a groundwater source. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in New Mexico
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Mayhill Mdwca (EPA ID: NM3513819) is a community water system in New Mexico that serves approximately 143 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 14 resolved, 0 archived, 0 addressed, and 1 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| July 1, 2025 | Consumer Confidence Rule | Non-health-based | Resolved |
| November 23, 2024 | Groundwater Rule | Health-based | Resolved |
| November 23, 2024 | Groundwater Rule | Health-based | Resolved |
| October 1, 2024 | Consumer Confidence Rule | Non-health-based | Resolved |
| April 14, 2023 | Public Notice | Non-health-based | Resolved |
| August 28, 2022 | Public Notice | Non-health-based | Resolved |
| July 1, 2022 | Consumer Confidence Rule | Non-health-based | Resolved |
| January 7, 2022 | Groundwater Rule | Health-based | Unaddressed (current) |
| January 7, 2022 | Groundwater Rule | Health-based | Resolved |
| January 7, 2022 | Groundwater Rule | Health-based | Resolved |
| January 7, 2022 | Groundwater Rule | Health-based | Resolved |
| January 7, 2022 | Groundwater Rule | Health-based | Resolved |
| January 7, 2022 | Groundwater Rule | Health-based | Resolved |
| August 26, 2021 | E. COLI | Non-health-based | Resolved |
| July 1, 2021 | Consumer Confidence Rule | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Groundwater Rule | Other Violation | 8 | Yes |
| Consumer Confidence Rule | Other (notice or report rule) | 4 | No |
| Public Notice | Other (notice or report rule) | 2 | No |
| E. COLI | Monitoring & Reporting | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.001 mg/L | No | 2025-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
2 of 2 ZIP records with known zones are in EPA Radon Zone 2.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by NM or modeled from parcel and building-footprint data.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Mayhill Mdwca (NM3513819) on EPA.gov.
Frequently Asked Questions
Is Mayhill Mdwca water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current health-based noncompliance record for Mayhill Mdwca. Review the utility's current notices and EPA record. This system-level compliance history cannot determine conditions at a specific tap.
How many people does Mayhill Mdwca serve?
Mayhill Mdwca serves approximately 143 people across 2 ZIP codes in New Mexico.
Where does Mayhill Mdwca get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Mayhill Mdwca (NM): 8 Health Violations. https://zipcheckup.com/water-system/nm3513819/
@misc{zipcheckup-water-system-nm3513819,
author = {{ZipCheckup}},
title = {{Mayhill Mdwca (NM): 8 Health Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/nm3513819/}
}
What You Can Do
Test your water
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Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Mayhill Mdwca (EPA ID: NM3513819) - request the latest Consumer Confidence Report or ask about specific contaminants.