Alcalde Mdwca
EPA ID: NM3535021 · 927 people served · 4 ZIP codes
ZipCheckup's reading of EPA records for Alcalde Mdwca (NM3535021): 1 violation recorded with unresolved status in the SDWIS data used. EPA record snapshot: Alcalde Mdwca, 1 open violation, 927 people served.
Data: EPA SDWIS
Service Area Map
Coverage area for Alcalde Mdwca Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Alcalde Mdwca have a median household income of $73,405 and about 8,356 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 60% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 100% 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?
Alcalde 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.
Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
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
Alcalde Mdwca (EPA ID: NM3535021) is a community water system in New Mexico that serves approximately 927 people from groundwater sources.
This system provides water to 4 ZIP codes across 4 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 12 resolved, 1 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 |
|---|---|---|---|
| January 1, 2026 | Arsenic | Health-based | Archived |
| July 1, 2025 | Arsenic | Health-based | Resolved |
| April 1, 2025 | Arsenic | Health-based | Resolved |
| March 21, 2025 | Public Notice | Non-health-based | Unaddressed (current) |
| January 1, 2025 | Arsenic | Health-based | Resolved |
| October 1, 2024 | Arsenic | Health-based | Resolved |
| July 1, 2024 | Arsenic | Health-based | Resolved |
| April 1, 2024 | Arsenic | Health-based | Resolved |
| January 1, 2024 | Arsenic | Health-based | Resolved |
| October 1, 2023 | Arsenic | Health-based | Resolved |
| July 1, 2023 | Arsenic | Health-based | Resolved |
| October 1, 2021 | TTHM | Non-health-based | Resolved |
| October 1, 2021 | Total Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| March 18, 2021 | Public Notice | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Arsenic | MCL Violation | 10 | Yes |
| Public Notice | Other (notice or report rule) | 2 | No |
| Total Haloacetic Acids (HAA5) | Monitoring & Reporting | 1 | No |
| TTHM | 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 |
|---|---|---|
| 0.0006 mg/L | No | 2024-12-31 |
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
4 of 4 ZIP records with known zones are in EPA Radon Zone 1.
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 Alcalde Mdwca (NM3535021) on EPA.gov.
Frequently Asked Questions
Is Alcalde Mdwca water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current noncompliance record and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.
How many people does Alcalde Mdwca serve?
Alcalde Mdwca serves approximately 927 people across 4 ZIP codes in New Mexico.
Where does Alcalde Mdwca get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Alcalde Mdwca (NM): 10 Health Violations. https://zipcheckup.com/water-system/nm3535021/
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author = {{ZipCheckup}},
title = {{Alcalde Mdwca (NM): 10 Health Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/nm3535021/}
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What You Can Do
Test your water
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Check your specific ZIP code
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Contact your utility
Alcalde Mdwca (EPA ID: NM3535021) - request the latest Consumer Confidence Report or ask about specific contaminants.