STATE REPORT
NV
27 HEALTH VIOLATIONS
Nevada Water Quality & Safety Report
37 ZIP codes · 83 water systems · IPC/UPC plumbing code · Updated 2026-03-16
Data: EPA SDWIS, NWS, State plumbing boards, Rewiring America Last verified: 2026-03-16
37
ZIP Codes
83
Water Systems
29
ZIPs with Violations
IPC/UPC
Plumbing Code
Overview
We track water quality, weather alerts, plumbing regulations, and energy rebates for 37 ZIP codes across Nevada, covering 83 community water systems that serve approximately 2,931,583 people.
29 of 37 ZIP codes (78%) have recorded EPA violations. 27 health-based violations have been documented.
Plumbing Regulations
Nevada follows the Mixed — county-level adoption (Varies edition).
- Plumbing code: IPC/UPC (Varies)
- Homeowner DIY: Licensed plumber required
- Water heater permit: Required
- Annual backflow test: Required
- Seismic strapping: Required
Areas with Most Violations
| ZIP Code | City | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|---|
| 89310 | Austin | — | 26 | 2 | LANDER CO SEWER AND WATER DIST 2 AUSTIN |
| 89801 | Elko | — | 23 | 0 | ELKO CITY OF |
| 89101 | Las Vegas | — | 22 | 12 | LAS VEGAS VALLEY WATER DISTRICT |
| 89001 | Alamo | — | 20 | 0 | ALAMO SEWER AND WATER GID |
| 89445 | Winnemucca | — | 19 | 0 | WINNEMUCCA CITY OF |
| 89450 | Incline Village | — | 16 | 0 | INCLINE VILLAGE GID |
| 89005 | Boulder City | — | 14 | 0 | BOULDER CITY |
| 89410 | Gardnerville | — | 13 | 0 | GARDNERVILLE RANCHOS GID |
| 89043 | Pioche | — | 10 | 0 | PIOCHE PUBLIC UTILITIES |
| 89045 | Round Mountain | — | 10 | 1 | ROUND MOUNTAIN PUC |
Areas with No Violations
| ZIP Code | City | Safety Score | System | Population |
|---|---|---|---|---|
| 89004 | Blue Diamond | — | BLUE DIAMOND WATER COMPANY | 527 |
| 89019 | Jean | — | JEAN UTILITY SERVICES INC | 560 |
| 89022 | Manhattan | — | MANHATTAN TOWN WATER | 40 |
| 89028 | Laughlin | — | BIG BEND WATER DISTRICT | 9,000 |
| 89030 | North Las Vegas | — | NORTH LAS VEGAS UTILITIES | 376,515 |
| 89042 | Panaca | — | PANACA FARMSTEAD ASSOCIATION | 900 |
| 89046 | Searchlight | — | SEARCHLIGHT WATER COMPANY | 760 |
| 89311 | Baker | — | BAKER WATER AND SEWER GID | 85 |
Lead & Copper
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
- High risk (Zone 1): 0 ZIP codes (0%)
- Moderate risk (Zone 2): 0 ZIP codes
- Low risk (Zone 3): 0 ZIP codes
All 37 ZIP Codes in Nevada
- 89001 (Alamo) — 20 violations
- 89310 (Austin) — 26 violations ⚠
- 89311 (Baker)
- 89003 (Beatty) — 2 violations
- 89004 (Blue Diamond)
- 89005 (Boulder City) — 14 violations
- 89008 (Caliente) — 9 violations
- 89701 (Carson City) — 3 violations
- 89801 (Elko) — 23 violations
- 89301 (Ely) — 6 violations
- 89316 (Eureka) — 8 violations ⚠
- 89406 (Fallon) — 2 violations
- 89410 (Gardnerville) — 13 violations
- 89013 (Goldfield) — 7 violations ⚠
- 89002 (Henderson) — 2 violations
- 89450 (Incline Village) — 16 violations
- 89018 (Indian Springs) — 4 violations
- 89019 (Jean)
- 89101 (Las Vegas) — 22 violations ⚠
- 89028 (Laughlin)
- 89022 (Manhattan)
- 89024 (Mesquite) — 5 violations
- 89025 (Moapa) — 1 violation
- 89191 (Nellis Afb) — 1 violation ⚠
- 89030 (North Las Vegas)
- 89040 (Overton) — 1 violation
- 89041 (Pahrump) — 3 violations
- 89042 (Panaca)
- 89043 (Pioche) — 10 violations
- 89501 (Reno) — 8 violations ⚠
- 89045 (Round Mountain) — 10 violations ⚠
- 89319 (Ruth) — 1 violation
- 89046 (Searchlight)
- 89054 (Sloan) — 9 violations ⚠
- 89431 (Sparks) — 6 violations
- 89049 (Tonopah) — 8 violations
- 89445 (Winnemucca) — 19 violations
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Regulations: State plumbing boards, ICC, IAPMO
- Rebates: Rewiring America
Updated daily.