Carson County, Nevada
9 ZIP codes · Avg score 86/100 · Grade A · Updated 2026-06-03
Within Carson County, all 9 tracked ZIP codes show above-average drinking water safety — violations are infrequent and typically minor.
How Carson County Compares
How Carson County Compares
Carson County scores 5 points above the Nevada state average (81/100) and 18 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Carson County, Nevada
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.2 (asthma 10.5%, diabetes 12.1%)
Estimated additional annual cost per homeowner: $883, driven primarily by flood
Infrastructure: 0.327% avg pipe failure probability
Violation History (2024–2025)
→ Stable trendEPA violation counts by year across Carson County water systems. Health-based shown in red, total in blue.
Peak year: 2025 with 18 violations. Past 5 years: 27 total (27 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: $883
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Carson County
Remediation costs are relatively manageable for most homeowners in Carson 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 Carson 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 Carson County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Carson City Public Works | 59,000 | 9 |
| 2 | Indian Hills Gid | 5,962 | 9 |
| 3 | Sierra Estates Gid | 170 | 9 |
| 4 | Cottonwood Mhp | 140 | 9 |
| 5 | Terrace Garden Apartments | 60 | 9 |
7 total water systems serve Carson County.
All ZIP Codes in Carson County
9 ZIP codes tracked in Carson County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 89702 | Carson City | 88 | A | 1 | — |
| 2 | 89711 | Carson City | 88 | A | 1 | — |
| 3 | 89712 | Carson City | 88 | A | 1 | — |
| 4 | 89713 | Carson City | 88 | A | 1 | — |
| 5 | 89714 | Carson City | 88 | A | 1 | — |
| 6 | 89721 | Carson City | 88 | A | 1 | — |
| 7 | 89706 | Carson City | 87 | A | 1 | $345K |
| 8 | 89703 | Carson City | 82 | B | 1 | $595K |
| 9 | 89701 | Carson City | 77 | B | 1 | $416K |
Recommended Buyer Guides for Carson County
Filtered against federal data, fitted to local risks.
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- 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 Carson County, Nevada
Overview
Carson County in Nevada covers 9 ZIP codes with an average Home Safety Score of A (86/100).
9 of 9 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.