Apache County, Arizona
33 ZIP codes · Avg score 58/100 · Grade C · Updated 2026-06-03
Tracking 33 ZIP codes in Apache County reveals a mixed picture — tap water quality varies meaningfully by location.
How Apache County Compares
How Apache County Compares
Apache County scores 6 points below the Arizona state average (64/100) and 10 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Apache County, Arizona
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 15.2 (asthma 13.6%, diabetes 16.1%)
Estimated additional annual cost per homeowner: $980, driven primarily by wildfire
Infrastructure: 0.304% avg pipe failure probability, 3% of ZIPs at high risk
48.1% of homes built before 1978 (lead paint era)
Violation History (2021–2024)
→ Stable trendEPA violation counts by year across Apache County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 36 violations. Past 5 years: 40 total (40 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: $980
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
33,542 housing units in Apache 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 Apache County
Remediation costs are relatively manageable for most homeowners in Apache 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 Apache 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 Apache County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | City of St Johns | 3,500 | 81 |
| 2 | Livco Water Company | 1,120 | 47 |
| 3 | Old Concho Water Users | 40 | 47 |
| 4 | Eagar Town of | 4,590 | 36 |
| 5 | Springerville Town of | 1,972 | 36 |
18 total water systems serve Apache County.
All ZIP Codes in Apache County
33 ZIP codes tracked in Apache County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 85925 | Eagar | 82 | B | 12 (1 health) | $232K |
| 2 | 85940 | Vernon | 82 | B | 19 (1 health) | $236K |
| 3 | 85932 | Nutrioso | 79 | B | 6 | $241K |
| 4 | 86512 | Sanders | 77 | B | 22 (2 health) | $75K |
| 5 | 85920 | Alpine | 71 | B | 1 (1 health) | $293K |
| 6 | 85936 | Saint Johns | 66 | C | 10 | $179K |
| 7 | 85927 | Greer | 63 | C | 0 | $558K |
| 8 | 86503 | Chinle | 63 | C | 0 | $40K |
| 9 | 85924 | Concho | 62 | C | 47 | $104K |
| 10 | 85309 | Glendale Luke Afb | 53 | D | 0 | — |
| 11 | 85634 | Sells | 53 | D | 0 | $94K |
| 12 | 85639 | Topawa | 53 | D | 0 | $106K |
| 13 | 85922 | Blue | 53 | D | 0 | — |
| 14 | 86028 | Petrified Forest Natl Pk | 53 | D | 0 | — |
| 15 | 86035 | Leupp | 53 | D | 0 | $60K |
| 16 | 86042 | Polacca | 53 | D | 0 | $61K |
| 17 | 86043 | Second Mesa | 53 | D | 0 | $77K |
| 18 | 86502 | Chambers | 53 | D | 0 | $43K |
| 19 | 86504 | Fort Defiance | 53 | D | 0 | $46K |
| 20 | 86505 | Ganado | 53 | D | 0 | $36K |
| 21 | 86506 | Houck | 53 | D | 0 | $47K |
| 22 | 86507 | Lukachukai | 53 | D | 0 | $49K |
| 23 | 86508 | Lupton | 53 | D | 0 | $33K |
| 24 | 86511 | Saint Michaels | 53 | D | 0 | $48K |
| 25 | 86514 | Teec Nos Pos | 53 | D | 0 | $71K |
| 26 | 86515 | Window Rock | 53 | D | 0 | $57K |
| 27 | 86520 | Blue Gap | 53 | D | 0 | $61K |
| 28 | 86538 | Many Farms | 53 | D | 0 | $55K |
| 29 | 86540 | Nazlini | 53 | D | 0 | $25K |
| 30 | 86544 | Red Valley | 53 | D | 0 | $50K |
| 31 | 86547 | Round Rock | 53 | D | 0 | $49K |
| 32 | 86556 | Tsaile | 53 | D | 0 | $35K |
| 33 | 85938 | Springerville | 45 | D | 24 | $192K |
Recommended Buyer Guides for Apache County
Below: editorial picks, no sponsored placements.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best HEPA Air Purifiers for Wildfire Smoke — Wildfire is the top compound risk factor
Deep Dive Reports
Detailed analysis for Apache County, Arizona
Overview
Apache County in Arizona covers 33 ZIP codes with an average Home Safety Score of C (58/100).
8 of 33 ZIP codes have recorded EPA violations. 5 health-based violations have been documented.
← Back to Arizona 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.