San Juan County, New Mexico
17 ZIP codes · Avg score 77/100 · Grade B · Updated
ZipCheckup grade for San Juan County: B.
This ZIP looks solid, with a few items worth a quick check.
Within San Juan County's 17 tracked ZIP codes, safety indicators remain above the national average with few health-based violations on record.
How San Juan County Compares
How San Juan County Compares
San Juan County scores 12 points above the New Mexico state average (65/100) and 4 points above the national average (73/100).
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:
ZIP Code Risk Map
Water Quality Map: San Juan 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: 14.4 (asthma 12%, diabetes 14.5%)
Estimated additional annual cost per homeowner: $862, driven primarily by flood
48.9% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↓ Improving trendEPA violation counts by year across San Juan County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 20 violations. Past 5 years: 68 total (68 health-based). Health-based violations are declining versus the prior 2-year window.
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
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $862
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
47,510 housing units in San Juan 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 San Juan County
Remediation costs are relatively manageable for most homeowners in San Juan 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 San Juan County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving San Juan County
8 community water systems serving San Juan County.
- B
- C
- C
- C
- B
- C
Show all 8 water systems
- C
- C
12 total water systems serve San Juan County.
Systems with the most violations in San Juan County
5 water systems with recorded EPA violations.
- C
- C
- C
- C
- C
All ZIP Codes in San Juan County
17 ZIP codes tracked in San Juan County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 87416 | Fruitland | 83 | B | 0 | $91K |
| 2 | 87417 | Kirtland | 83 | B | 0 | $180K |
| 3 | 87421 | Waterflow | 83 | B | 0 | $126K |
| 4 | 87401 | Farmington | 78 | B | 15 (2 health) | $202K |
| 5 | 87402 | Farmington | 78 | B | 7 (2 health) | $269K |
| 6 | 87410 | Aztec | 67 | C | 29 (6 health) | $193K |
| 7 | 87413 | Bloomfield | 67 | C | 57 (19 health) | $177K |
| 8 | 87037 | Nageezi | — | — | $53K | |
| 9 | 87364 | Sheep Springs | — | — | $81K | |
| 10 | 87412 | Blanco | — | — | 46 (18 health) | $120K |
| 11 | 87415 | Flora Vista | — | — | 11 (2 health) | $198K |
| 12 | 87418 | La Plata | — | — | 6 | $199K |
| 13 | 87419 | Navajo Dam | — | — | 14 (4 health) | — |
| 14 | 87420 | Shiprock | — | — | $102K | |
| 15 | 87455 | Newcomb | — | — | $26K | |
| 16 | 87461 | Sanostee | — | — | $29K | |
| 17 | 87499 | Farmington | — | — | $77K |
Recommended Buyer Guides for San Juan County
Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance - guides surface only when county data warrants them.
- 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 San Juan County, New Mexico
Overview
San Juan County in New Mexico covers 17 tracked ZIP records with an average Home Safety Score of B (77/100) across 7 scored records.
8 of 11 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 21 health-based violations appear in the available health breakdown.
← Back to New Mexico Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.