Elko County, Nevada
17 ZIP codes · Avg score 74/100 · Grade B · Updated 2026-06-03
Tracking 17 ZIP codes in Elko County shows a water safety record well above the national median — violations are isolated exceptions, not recurring patterns.
How Elko County Compares
How Elko County Compares
Elko County scores 7 points below the Nevada state average (81/100) and 6 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Elko County, Nevada
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13 (asthma 10.7%, diabetes 11%)
Estimated additional annual cost per homeowner: $1,374, driven primarily by wildfire
Infrastructure: 0.296% avg pipe failure probability
48.2% of homes built before 1978 (lead paint era)
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: $1,374
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
21,879 housing units in Elko 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 Elko County
Remediation costs are relatively manageable for most homeowners in Elko 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 Elko 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 Elko County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Montello Water System | 287 | 25 |
| 2 | Jarbidge Water System | 200 | 25 |
| 3 | City of Elko | 23,000 | 24 |
| 4 | Nevada Youth Training Center | 100 | 24 |
| 5 | Tuscarora Water System | 72 | 24 |
14 total water systems serve Elko County.
All ZIP Codes in Elko County
17 ZIP codes tracked in Elko County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 89815 | Spring Creek | 83 | B | 1 | $310K |
| 2 | 89822 | Carlin | 83 | B | 0 | $198K |
| 3 | 89828 | Lamoille | 83 | B | 1 | — |
| 4 | 89830 | Montello | 83 | B | 1 | $157K |
| 5 | 89831 | Mountain City | 83 | B | 0 | — |
| 6 | 89835 | Wells | 83 | B | 1 | $235K |
| 7 | 89883 | West Wendover | 83 | B | 1 | $127K |
| 8 | 89826 | Jarbidge | 81 | B | 1 | — |
| 9 | 89825 | Jackpot | 80 | B | 4 | — |
| 10 | 89802 | Elko | 77 | B | 6 | — |
| 11 | 89803 | Elko | 77 | B | 6 | — |
| 12 | 89824 | Elko | 77 | B | 6 | — |
| 13 | 89801 | Elko | 72 | B | 6 | $279K |
| 14 | 89823 | Deeth | 53 | D | 0 | $455K |
| 15 | 89832 | Owyhee | 53 | D | 0 | $81K |
| 16 | 89833 | Ruby Valley | 53 | D | 0 | $345K |
| 17 | 89834 | Tuscarora | 53 | D | 0 | — |
Recommended Buyer Guides for Elko County
Where county records show a lead exceedance or pre-1978 housing concentration, lead-specific filters and test kits move toward the top of the list.
- Best HEPA Air Purifiers for Wildfire Smoke — Wildfire is the top compound risk factor
Deep Dive Reports
Detailed analysis for Elko County, Nevada
Overview
Elko County in Nevada covers 17 ZIP codes with an average Home Safety Score of B (74/100).
11 of 17 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← Back to Nevada 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.