Quay County, New Mexico
9 ZIP codes · Avg score 62/100 · Grade C · Updated 2026-06-03
Across Quay County's 9 ZIP codes, water safety results are uneven — a portion of systems carry active or recent violations, while others meet standards without issues.
How Quay County Compares
How Quay County Compares
Quay County scores 0 points above the New Mexico state average (62/100) and 6 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Quay 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: 15.4 (asthma 10%, diabetes 16.9%)
Estimated additional annual cost per homeowner: $866, driven primarily by energy_code_gap
Infrastructure: 0.398% avg pipe failure probability, 50% of ZIPs at high risk
70.3% of homes built before 1978 (lead paint era)
Violation History (2022–2025)
→ Stable trendEPA violation counts by year across Quay County water systems. Health-based shown in red, total in blue.
Peak year: 2025 with 6 violations. Past 5 years: 10 total (10 health-based).
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: $866
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
5,510 housing units in Quay 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 Quay County
Remediation costs are relatively manageable for most homeowners in Quay 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 Quay 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 Quay County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | NARA VISA MDWCA | 59 | 40 |
| 2 | Tucumcari Water System | 6,064 | 7 |
| 3 | Liberty Mdwca | 266 | 7 |
| 4 | Hills Village Water System | 126 | 7 |
| 5 | Rad Water Users Coop | 641 | 7 |
8 total water systems serve Quay County.
All ZIP Codes in Quay County
9 ZIP codes tracked in Quay County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 88434 | San Jon | 83 | B | 0 | $112K |
| 2 | 88426 | Logan | 72 | B | 1 | $113K |
| 3 | 88121 | House | 71 | B | 1 (1 health) | $148K |
| 4 | 88401 | Tucumcari | 70 | B | 7 (2 health) | $66K |
| 5 | 88430 | Nara Visa | 54 | D | 40 | — |
| 6 | 88410 | Amistad | 53 | D | 0 | — |
| 7 | 88411 | Bard | 53 | D | 0 | $319K |
| 8 | 88427 | Mcalister | 53 | D | 0 | $95K |
| 9 | 88433 | Quay | 53 | D | 0 | — |
Recommended Buyer Guides for Quay County
While many sites publish identical guide lists across every county they cover, the selection here changes by location — driven by the EPA, NSF, FEMA, and CDC datasets that describe the actual conditions documented for this jurisdiction in the federal record.
- Best Lead Paint Test Kits — 70.3% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Quay County, New Mexico
Overview
Quay County in New Mexico covers 9 ZIP codes with an average Home Safety Score of C (62/100).
4 of 9 ZIP codes have recorded EPA violations. 3 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.