Clark County, Nevada
125 ZIP codes · Avg score 91/100 · Grade A · Updated 2026-06-03
Clark County maintains reliable drinking water quality across all 125 of its tracked ZIP codes.
How Clark County Compares
How Clark County Compares
Clark County scores 10 points above the Nevada state average (81/100) and 23 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Clark County, Nevada
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.5 (asthma 10.1%, diabetes 12.4%)
Estimated additional annual cost per homeowner: $1,664, driven primarily by wildfire
Infrastructure: 0.29% avg pipe failure probability, 6% of ZIPs at high risk
Violation History (2023–2025)
→ Stable trendEPA violation counts by year across Clark County water systems. Health-based shown in red, total in blue.
Peak year: 2025 with 95 violations. Past 5 years: 96 total (96 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: $1,664
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 Clark County
Remediation costs are relatively manageable for most homeowners in Clark 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 Clark 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 Clark County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Las Vegas Valley Water District | 1,539,277 | 317 |
| 2 | Big Bend Water District | 9,000 | 308 |
| 3 | Primm Valley Casino Resorts | 7,000 | 308 |
| 4 | Southern Desert Correctional Ctr Ndoc | 6,200 | 308 |
| 5 | Signature Towers | 2,356 | 308 |
24 total water systems serve Clark County.
All ZIP Codes in Clark County
125 ZIP codes tracked in Clark County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 89019 | Jean | 99 | A | 0 | $222K |
| 2 | 89026 | Jean | 99 | A | 0 | — |
| 3 | 89028 | Laughlin | 99 | A | 0 | — |
| 4 | 89031 | North Las Vegas | 99 | A | 0 | $374K |
| 5 | 89032 | North Las Vegas | 99 | A | 0 | $347K |
| 6 | 89033 | North Las Vegas | 99 | A | 0 | — |
| 7 | 89036 | North Las Vegas | 99 | A | 0 | — |
| 8 | 89046 | Searchlight | 99 | A | 0 | $130K |
| 9 | 89085 | North Las Vegas | 99 | A | 0 | $460K |
| 10 | 89086 | North Las Vegas | 99 | A | 0 | $408K |
| 11 | 89087 | North Las Vegas | 99 | A | 0 | — |
| 12 | 89009 | Henderson | 97 | A | 1 | — |
| 13 | 89016 | Henderson | 97 | A | 1 | — |
| 14 | 89018 | Indian Springs | 97 | A | 1 | $326K |
| 15 | 89044 | Henderson | 97 | A | 1 | $537K |
| 16 | 89053 | Henderson | 97 | A | 1 | — |
| 17 | 89070 | Indian Springs | 97 | A | 1 | — |
| 18 | 89077 | Henderson | 97 | A | 1 | — |
| 19 | 89004 | Blue Diamond | 95 | A | 0 | $633K |
| 20 | 89024 | Mesquite | 95 | A | 2 | — |
| 21 | 89029 | Laughlin | 95 | A | 0 | $259K |
| 22 | 89030 | North Las Vegas | 95 | A | 0 | $237K |
| 23 | 89034 | Mesquite | 95 | A | 2 | $479K |
| 24 | 89081 | North Las Vegas | 95 | A | 0 | $385K |
| 25 | 89084 | North Las Vegas | 95 | A | 0 | $435K |
| 26 | 89105 | Las Vegas | 94 | A | 4 (1 health) | — |
| 27 | 89111 | Las Vegas | 94 | A | 4 (1 health) | — |
| 28 | 89112 | Las Vegas | 94 | A | 4 (1 health) | — |
| 29 | 89116 | Las Vegas | 94 | A | 4 (1 health) | — |
| 30 | 89126 | Las Vegas | 94 | A | 4 (1 health) | — |
| 31 | 89127 | Las Vegas | 94 | A | 4 (1 health) | — |
| 32 | 89132 | Las Vegas | 94 | A | 4 (1 health) | — |
| 33 | 89133 | Las Vegas | 94 | A | 4 (1 health) | — |
| 34 | 89135 | Las Vegas | 94 | A | 4 (1 health) | $657K |
| 35 | 89136 | Las Vegas | 94 | A | 4 (1 health) | — |
| 36 | 89137 | Las Vegas | 94 | A | 4 (1 health) | — |
| 37 | 89138 | Las Vegas | 94 | A | 4 (1 health) | $709K |
| 38 | 89140 | Las Vegas | 94 | A | 4 (1 health) | — |
| 39 | 89141 | Las Vegas | 94 | A | 4 (1 health) | $494K |
| 40 | 89143 | Las Vegas | 94 | A | 4 (1 health) | $438K |
| 41 | 89144 | Las Vegas | 94 | A | 4 (1 health) | $487K |
| 42 | 89145 | Las Vegas | 94 | A | 4 (1 health) | $349K |
| 43 | 89150 | Las Vegas | 94 | A | 4 (1 health) | — |
| 44 | 89151 | Las Vegas | 94 | A | 4 (1 health) | — |
| 45 | 89152 | Las Vegas | 94 | A | 4 (1 health) | — |
| 46 | 89153 | Las Vegas | 94 | A | 4 (1 health) | — |
| 47 | 89154 | Las Vegas | 94 | A | 4 (1 health) | — |
| 48 | 89155 | Las Vegas | 94 | A | 4 (1 health) | — |
| 49 | 89157 | Las Vegas | 94 | A | 4 (1 health) | — |
| 50 | 89158 | Las Vegas | 94 | A | 4 (1 health) | $1191K |
| 51 | 89159 | Las Vegas | 94 | A | 4 (1 health) | — |
| 52 | 89160 | Las Vegas | 94 | A | 4 (1 health) | — |
| 53 | 89162 | Las Vegas | 94 | A | 4 (1 health) | — |
| 54 | 89164 | Las Vegas | 94 | A | 4 (1 health) | — |
| 55 | 89166 | Las Vegas | 94 | A | 4 (1 health) | $476K |
| 56 | 89170 | Las Vegas | 94 | A | 4 (1 health) | — |
| 57 | 89173 | Las Vegas | 94 | A | 4 (1 health) | — |
| 58 | 89177 | Las Vegas | 94 | A | 4 (1 health) | — |
| 59 | 89179 | Las Vegas | 94 | A | 4 (1 health) | $416K |
| 60 | 89180 | Las Vegas | 94 | A | 4 (1 health) | — |
| 61 | 89185 | Las Vegas | 94 | A | 4 (1 health) | — |
| 62 | 89193 | Las Vegas | 94 | A | 4 (1 health) | — |
| 63 | 89195 | Las Vegas | 94 | A | 4 (1 health) | — |
| 64 | 89199 | Las Vegas | 94 | A | 4 (1 health) | — |
| 65 | 89002 | Henderson | 93 | A | 1 | $428K |
| 66 | 89011 | Henderson | 93 | A | 1 | $459K |
| 67 | 89012 | Henderson | 93 | A | 1 | $472K |
| 68 | 89025 | Moapa | 93 | A | 1 | $308K |
| 69 | 89052 | Henderson | 93 | A | 1 | $596K |
| 70 | 89074 | Henderson | 93 | A | 1 | $436K |
| 71 | 89054 | Sloan | 92 | A | 5 (3 health) | — |
| 72 | 89027 | Mesquite | 91 | A | 2 | $343K |
| 73 | 89107 | Las Vegas | 91 | A | 4 (1 health) | $289K |
| 74 | 89114 | Las Vegas | 91 | A | 4 (1 health) | — |
| 75 | 89115 | Las Vegas | 91 | A | 4 (1 health) | $259K |
| 76 | 89119 | Las Vegas | 91 | A | 4 (1 health) | $301K |
| 77 | 89121 | Las Vegas | 91 | A | 4 (1 health) | $288K |
| 78 | 89125 | Las Vegas | 91 | A | 4 (1 health) | — |
| 79 | 89128 | Las Vegas | 91 | A | 4 (1 health) | $379K |
| 80 | 89129 | Las Vegas | 91 | A | 4 (1 health) | $420K |
| 81 | 89131 | Las Vegas | 91 | A | 4 (1 health) | $499K |
| 82 | 89134 | Las Vegas | 91 | A | 4 (1 health) | $450K |
| 83 | 89139 | Las Vegas | 91 | A | 4 (1 health) | $449K |
| 84 | 89146 | Las Vegas | 91 | A | 4 (1 health) | $433K |
| 85 | 89147 | Las Vegas | 91 | A | 4 (1 health) | $377K |
| 86 | 89148 | Las Vegas | 91 | A | 4 (1 health) | $444K |
| 87 | 89149 | Las Vegas | 91 | A | 4 (1 health) | $495K |
| 88 | 89156 | Las Vegas | 91 | A | 4 (1 health) | $289K |
| 89 | 89161 | Las Vegas | 91 | A | 4 (1 health) | $456K |
| 90 | 89165 | Las Vegas | 91 | A | 4 (1 health) | — |
| 91 | 89169 | Las Vegas | 91 | A | 4 (1 health) | $300K |
| 92 | 89178 | Las Vegas | 91 | A | 4 (1 health) | $452K |
| 93 | 89183 | Las Vegas | 91 | A | 4 (1 health) | $415K |
| 94 | 89006 | Boulder City | 89 | A | 11 | — |
| 95 | 89191 | Nellis Afb | 89 | A | 1 (1 health) | — |
| 96 | 89014 | Henderson | 88 | A | 1 | $415K |
| 97 | 89015 | Henderson | 88 | A | 1 | $374K |
| 98 | 89101 | Las Vegas | 86 | A | 4 (1 health) | $258K |
| 99 | 89102 | Las Vegas | 86 | A | 4 (1 health) | $363K |
| 100 | 89103 | Las Vegas | 86 | A | 4 (1 health) | $274K |
| 101 | 89104 | Las Vegas | 86 | A | 4 (1 health) | $299K |
| 102 | 89106 | Las Vegas | 86 | A | 4 (1 health) | $263K |
| 103 | 89108 | Las Vegas | 86 | A | 4 (1 health) | $304K |
| 104 | 89109 | Las Vegas | 86 | A | 4 (1 health) | $495K |
| 105 | 89110 | Las Vegas | 86 | A | 4 (1 health) | $304K |
| 106 | 89113 | Las Vegas | 86 | A | 4 (1 health) | $464K |
| 107 | 89117 | Las Vegas | 86 | A | 4 (1 health) | $482K |
| 108 | 89118 | Las Vegas | 86 | A | 4 (1 health) | $392K |
| 109 | 89120 | Las Vegas | 86 | A | 4 (1 health) | $365K |
| 110 | 89122 | Las Vegas | 86 | A | 4 (1 health) | $286K |
| 111 | 89123 | Las Vegas | 86 | A | 4 (1 health) | $425K |
| 112 | 89124 | Las Vegas | 86 | A | 4 (1 health) | $504K |
| 113 | 89130 | Las Vegas | 86 | A | 4 (1 health) | $391K |
| 114 | 89142 | Las Vegas | 86 | A | 4 (1 health) | $323K |
| 115 | 89005 | Boulder City | 85 | A | 11 | $424K |
| 116 | 89040 | Overton | 83 | B | 1 | $282K |
| 117 | 89007 | Bunkerville | 73 | B | 0 | $320K |
| 118 | 89021 | Logandale | 73 | B | 0 | $438K |
| 119 | 88901 | The Lakes | 66 | C | 0 | — |
| 120 | 88905 | The Lakes | 66 | C | 0 | — |
| 121 | 89023 | Mercury | 66 | C | 0 | — |
| 122 | 89037 | Coyote Springs | 66 | C | 0 | — |
| 123 | 89039 | Cal Nev Ari | 66 | C | 0 | $128K |
| 124 | 89067 | Coyote Springs | 66 | C | 0 | — |
| 125 | 89163 | The Lakes | 66 | C | 0 | — |
Recommended Buyer Guides for Clark County
Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance — guides surface only when county data warrants them.
- 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 Clark County, Nevada
Overview
Clark County in Nevada covers 125 ZIP codes with an average Home Safety Score of A (91/100).
100 of 125 ZIP codes have recorded EPA violations. 81 health-based violations have been documented.
← 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.