Lyon County, Nevada
6 ZIP codes · Avg score 59/100 · Grade C · Updated
ZipCheckup grade for Lyon County: C.
A mixed picture - some signals here are worth your attention.
While Lyon County avoids the worst tiers, a portion of its 6 ZIP codes have logged violations.
How Lyon County Compares
How Lyon County Compares
Lyon County scores 25 points below the Nevada state average (84/100) and 14 points below 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: Lyon County, Nevada
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.9 (asthma 10.8%, diabetes 12.3%)
Estimated additional annual cost per homeowner: $1,263, driven primarily by energy_code_gap
49.2% of homes built before 1978 (lead paint era)
Violation History (2023–2024)
→ Stable trendEPA violation counts by year across Lyon County water systems. Health-based shown in red, total in blue.
Peak year: 2023 with 1 violation. Past 5 years: 2 total (2 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
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: $1,263
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
23,311 housing units in Lyon 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 Lyon County
Remediation costs are relatively manageable for most homeowners in Lyon 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 Lyon County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Lyon County
5 community water systems serving Lyon County.
- D
- C
- C
Systems with the most violations in Lyon County
3 water systems with recorded EPA violations.
- C
- D
All ZIP Codes in Lyon County
6 ZIP codes tracked in Lyon County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 89403 | Dayton | 67 | C | 0 | $392K |
| 2 | 89447 | Yerington | 62 | C | 15 (1 health) | $244K |
| 3 | 89408 | Fernley | 49 | D | 2 (1 health) | $353K |
| 4 | 89428 | Silver City | — | — | 0 | $354K |
| 5 | 89429 | Silver Springs | — | — | 33 (2 health) | $265K |
| 6 | 89430 | Smith | — | — | $671K |
Recommended Buyer Guides for Lyon County
Eight risk categories drive the selection - PFAS exceedance, lead above EPA action level, pre-1978 housing share, EPA Radon Zone 1, flood-top-risk, wildfire-top-risk, multi-contaminant load, and a baseline fallback - and each category maps to a specific buyer-guide track that surfaces when the county data hits its threshold for that hazard signal.
- Best Water Filters for PFAS — PFAS detected in 1 ZIP code
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Lyon County, Nevada
Overview
Lyon County in Nevada covers 6 tracked ZIP records with an average Home Safety Score of C (59/100) across 3 scored records.
3 of 5 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 4 health-based violations appear in the available health breakdown.
← Back to Nevada 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.