Doña Ana County, New Mexico
32 ZIP codes · Avg score 78/100 · Grade B · Updated 2026-06-04
Based on current EPA data, Doña Ana County's 32 ZIP codes maintain an above-average drinking water safety record.
How Doña Ana County Compares
How Doña Ana County Compares
Doña Ana County scores 16 points above the New Mexico state average (62/100) and 10 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Doña Ana County, New Mexico
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.5 (asthma 9.4%, diabetes 14%)
Estimated additional annual cost per homeowner: $518, driven primarily by flood
Infrastructure: 0.318% avg pipe failure probability, 13% of ZIPs at high risk
46.9% of homes built before 1978 (lead paint era)
Violation History (2022–2025)
↑ Worsening trendEPA violation counts by year across Doña Ana County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 47 violations. Past 5 years: 74 total (74 health-based). Health-based violations are rising versus the prior 2-year window — worth closer monitoring.
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $518
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
93,718 housing units in Doña Ana County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Doña Ana County
Remediation costs are relatively manageable for most homeowners in Doña Ana County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Doña Ana County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Doña Ana County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Las Cruces Municipal Water System | 98,175 | 70 |
| 2 | New Mexico State University | 24,000 | 63 |
| 3 | University Estates Water System (lcu) | 4,526 | 63 |
| 4 | Hacienda Acres Water System (lcu) | 3,042 | 63 |
| 5 | Las Alturas Estates (lcu) | 936 | 63 |
35 total water systems serve Doña Ana County.
All ZIP Codes in Doña Ana County
32 ZIP codes tracked in Doña Ana County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 88033 | Fairacres | 88 | A | 1 | — |
| 2 | 88052 | Organ | 88 | A | 1 | $122K |
| 3 | 87936 | Garfield | 87 | A | 2 | $131K |
| 4 | 88002 | White Sands Missile Range | 87 | A | 1 (1 health) | — |
| 5 | 88006 | Las Cruces | 87 | A | 7 (1 health) | — |
| 6 | 88013 | Las Cruces | 87 | A | 7 (1 health) | — |
| 7 | 88032 | Dona Ana | 87 | A | 11 (1 health) | — |
| 8 | 88044 | La Mesa | 87 | A | 0 | $194K |
| 9 | 88047 | Mesilla Park | 87 | A | 3 (1 health) | $110K |
| 10 | 88054 | Radium Springs | 87 | A | 4 (1 health) | — |
| 11 | 88001 | Las Cruces | 86 | A | 7 (1 health) | $158K |
| 12 | 88003 | Las Cruces | 86 | A | 7 (1 health) | — |
| 13 | 88004 | Las Cruces | 86 | A | 7 (1 health) | — |
| 14 | 88012 | Las Cruces | 86 | A | 7 (1 health) | $222K |
| 15 | 88027 | Chamberino | 86 | A | 2 (1 health) | $183K |
| 16 | 88072 | Vado | 86 | A | 6 (1 health) | $99K |
| 17 | 88058 | San Miguel | 83 | B | 3 (1 health) | — |
| 18 | 88046 | Mesilla | 82 | B | 4 (2 health) | $253K |
| 19 | 88081 | Chaparral | 82 | B | 8 (2 health) | $102K |
| 20 | 88007 | Las Cruces | 81 | B | 7 (1 health) | $232K |
| 21 | 88011 | Las Cruces | 81 | B | 7 (1 health) | $315K |
| 22 | 88021 | Anthony | 80 | B | 19 (4 health) | $151K |
| 23 | 87940 | Rincon | 77 | B | 1 | — |
| 24 | 88005 | Las Cruces | 76 | B | 7 (1 health) | $207K |
| 25 | 87937 | Hatch | 69 | C | 1 | $102K |
| 26 | 88008 | Santa Teresa | 63 | C | 0 | $229K |
| 27 | 88063 | Sunland Park | 62 | C | 33 (21 health) | $122K |
| 28 | 87930 | Arrey | 53 | D | 0 | $228K |
| 29 | 87933 | Derry | 53 | D | 0 | — |
| 30 | 87941 | Salem | 53 | D | 0 | $56K |
| 31 | 88024 | Berino | 53 | D | 0 | — |
| 32 | 88048 | Mesquite | 53 | D | 0 | $98K |
Recommended Buyer Guides for Doña Ana County
If FEMA records flag flood-top-risk status or EPA samples show PFAS exceedances, the matching logic lifts emergency-water and PFAS-rated filtration into the recommendations — federal data drives the order, not retailer arrangements.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Doña Ana County, New Mexico
Overview
Doña Ana County in New Mexico covers 32 ZIP codes with an average Home Safety Score of B (78/100).
25 of 32 ZIP codes have recorded EPA violations. 45 health-based violations have been documented.
← Back to New Mexico water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.