La Mesa Water Coop
EPA ID: NM3500123 · 650 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for La Mesa Water Coop (NM3500123): no EPA violations recorded in the last five years. Across every monitored period in the past five years, La Mesa Water Coop reported no EPA violations for its service population of 650.
Data: EPA SDWIS
Service Area Map
Coverage area for La Mesa Water Coop Source: EPA SDWIS service area boundaries.
Service area boundary - Grade C
Service Area Demographics
The La Mesa Water Coop serves a community with a median household income of $86,794 and an estimated 15,649 residents across its service area.
Environmental Justice Note: 41% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. 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?
La Mesa Water Coop's water is pumped from underground aquifers. 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.
Wastewater Proximity Note: This service area ranks in the 70th percentile nationally for proximity to wastewater discharge points.
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
La Mesa Water Coop (EPA ID: NM3500123) is a community water system in New Mexico that serves approximately 650 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
ZIP-Area Home Safety Context: C (67/100)
This is the average Home Safety Score for 1 of 2 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.
Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.00057 mg/L | No | N/A |
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
Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
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 the full compliance record for La Mesa Water Coop (NM3500123) on EPA.gov.
Frequently Asked Questions
Is La Mesa Water Coop water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for La Mesa Water Coop in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does La Mesa Water Coop serve?
La Mesa Water Coop serves approximately 650 people across 2 ZIP codes in New Mexico.
Where does La Mesa Water Coop get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). La Mesa Water Coop Water Quality Report, NM. https://zipcheckup.com/water-system/nm3500123/
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author = {{ZipCheckup}},
title = {{La Mesa Water Coop Water Quality Report, NM}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/nm3500123/}
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What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
La Mesa Water Coop (EPA ID: NM3500123) - request the latest Consumer Confidence Report or ask about specific contaminants.