Storey County, Nevada
3 ZIP codes · Avg score 74/100 · Grade B · Updated 2026-06-03
Unlike many counties its size, Storey County keeps violation rates low — all 3 ZIP codes score at or above the state average for tap water safety, with no systemic concerns flagged in the current data set.
How Storey County Compares
How Storey County Compares
Storey 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
Key Risk Factors
Health risk index: 13.8 (asthma 10.5%, diabetes 12.4%)
Estimated additional annual cost per homeowner: $1,200, driven primarily by energy_code_gap
Infrastructure: 0.41% avg pipe failure probability, 67% of ZIPs at high risk
66.7% 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: $1,200
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
12,072 housing units in Storey 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 Storey County
Remediation costs are relatively manageable for most homeowners in Storey 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 Storey 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 Storey County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | STOREY COUNTY WATER DISTRICT | 1,420 | 3 |
| 2 | TRUCKEE MEADOWS WATER AUTHORITY | 442,000 | 3 |
| 3 | Canyon Gid | 1,310 | 3 |
| 4 | Alpine Mobile Home Park | 35 | 3 |
| 5 | Dayton Valley Water System | 16,000 | 0 |
All ZIP Codes in Storey County
3 ZIP codes tracked in Storey County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 89440 | Virginia City | 82 | B | 3 | $457K |
| 2 | 89434 | Sparks | 77 | B | 3 | $439K |
| 3 | 89428 | Silver City | 63 | C | 0 | $354K |
Recommended Buyer Guides for Storey County
Filtered against federal data, fitted to local risks.
- Best Lead Paint Test Kits — 66.7% of homes built before 1978
Overview
Storey County in Nevada covers 3 ZIP codes with an average Home Safety Score of B (74/100).
2 of 3 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.