State rankings
Nevada water-system rankings
Lowest-scoring systems in Nevada
Ranked lowest score first. Population shown for context.
1 ELKO CITY OF ELKO, NV · ~23,000 served 41 2 Battle Mountain Battle Mountain, NV · ~195 served 60 3 Duckwater Duckwater, NV · ~166 served 60 4 Yomba Indian Reservation Austin, NV · ~30 served 60 5 Ft. McDermitt Paiute-Shoshone - Lower McDermitt, NV · ~456 served 70 6 Ft. McDermitt Paiute-Shoshone - Upper McDermitt, NV · ~110 served 70 7 TRUCKEE MEADOWS WATER AUTHORITY RENO, NV · ~442,000 served 73 8 Las Vegas Paiute Snow Mountain Las Vegas, NV · ~2,340 served 85 9 Walker River Paiute Tribe Schurz, NV · ~662 served 85 10 Washoe Tribe Dresslerville Community Gardnerville, NV · ~452 served 85 11 Washoe Tribe Stewart Gardnerville, NV · ~150 served 85 12 Duck Valley Owyhee Owyhee, NV · ~150 served 85 13 CREEKSIDE CABINS & RV RESORT HENDERSON, NV · ~124 served 85 14 Las Vegas Paiute Colony Las Vegas, NV · ~100 served 85 15 South Fork (Te-Moak) Elko, NV · ~40 served 85 16 FERNLEY PUBLIC WORKS FERNLEY, NV · ~23,064 served 90 17 GARDNERVILLE WATER COMPANY GARDNERVILLE, NV · ~5,800 served 92 18 LAS VEGAS VALLEY WATER DISTRICT LAS VEGAS, NV · ~1,539,277 served 100 19 NORTH LAS VEGAS UTILITIES NORTH LAS VEGAS, NV · ~376,515 served 100 20 HENDERSON CITY OF HENDERSON, NV · ~336,534 served 100 21 CARSON CITY PUBLIC WORKS CARSON CITY, NV · ~59,000 served 100 22 VIRGIN VALLEY WATER DISTRICT MESQUITE, NV · ~26,000 served 100 23 NELLIS AIR FORCE BASE NELLIS AFB, NV · ~19,081 served 100 24 SUN VALLEY GID SUN VALLEY, NV · ~17,000 served 100 25 DAYTON VALLEY WATER SYSTEM DAYTON, NV · ~16,000 served 100
Highest-scoring large systems in Nevada
Systems serving 10,000+ people with the best scores.
1 LAS VEGAS VALLEY WATER DISTRICT LAS VEGAS, NV · ~1,539,277 served 100 2 NORTH LAS VEGAS UTILITIES NORTH LAS VEGAS, NV · ~376,515 served 100 3 HENDERSON CITY OF HENDERSON, NV · ~336,534 served 100 4 CARSON CITY PUBLIC WORKS CARSON CITY, NV · ~59,000 served 100 5 VIRGIN VALLEY WATER DISTRICT MESQUITE, NV · ~26,000 served 100 6 NELLIS AIR FORCE BASE NELLIS AFB, NV · ~19,081 served 100 7 SUN VALLEY GID SUN VALLEY, NV · ~17,000 served 100 8 DAYTON VALLEY WATER SYSTEM DAYTON, NV · ~16,000 served 100
Scores reflect EPA public records (violations, enforcement, PFAS), are system-level, and can’t account for your home’s plumbing. See the methodology.