255 water systems in Nevada have at least one health-based violation on record. The system with the most health-based violations is Rosemount Water Co in Reno with 205 health-based violations. Health-based violations mean a system exceeded an EPA maximum contaminant level or failed required treatment standards.
| Water System | City | Population | Health Violations | Total Violations |
|---|
| Rosemount Water Co |
Reno | 54 |
205 | 750 |
| Lamoille Valley Plaza |
Elko | 772 |
112 | 164 |
| Shoshone Estates Water Co Inc |
Las Vegas | 240 |
110 | 143 |
| Katherine Landing Dwtp |
Boulder City | 1,300 |
60 | 270 |
| Silver Knolls Mutual Water Company |
Reno | 120 |
55 | 69 |
| Roark Estates Water Assoc |
Sloan | 60 |
49 | 60 |
| Speed Vegas |
Las Vegas | 235 |
47 | 51 |
| Old River Water Company |
Fallon | 300 |
43 | 221 |
| Desert Sunrise Water Users Assoc |
Las Vegas | 25 |
30 | 604 |
| Duckwater |
Duckwater | 166 |
28 | 140 |
| Lhoist North America |
Las Vegas | 136 |
27 | 29 |
| Diamond Plastics |
Reno | 38 |
25 | 54 |
| Amargosa Elementary School |
Pahrump | 200 |
24 | 31 |
| Mcdermitt Water System |
Winnemucca | 200 |
20 | 25 |
| Yerington (Campbell Ranch) |
Yerington | 512 |
19 | 214 |
| Isabella Pearl Mine |
Mina | 65 |
19 | 151 |
| Ft. Mcdermitt Paiute-Shoshone - Upper |
Mcdermitt | 110 |
18 | 48 |
| Springwood Equestrian Center |
Reno | 175 |
18 | 20 |
| Las Vegas Paiute Colony |
Las Vegas | 100 |
17 | 221 |
| South Fork (Te-Moak) |
Elko | 40 |
15 | 126 |
| Hope Forest Academy |
Minden | 90 |
15 | 35 |
| Sutcliffe Mobile Park |
Reno | 60 |
13 | 19 |
| Hilton Grand Vacations Convention |
Las Vegas | 982 |
13 | 14 |
| Walker River Paiute Tribe |
Schurz | 662 |
12 | 74 |
| Primm Valley Casino Resorts |
Las Vegas | 7,000 |
12 | 40 |
| Elk Point Country Club |
Zephyr Cove | 325 |
12 | 37 |
| Graces Bible Church |
Fallon | 85 |
12 | 18 |
| Elkhorn Water Association LLC |
Las Vegas | 25 |
11 | 741 |
| Sos Recovery Ranch |
Alamo | 25 |
11 | 78 |
| Bermuda Palms Management LLC |
Las Vegas | 60 |
11 | 24 |
| Ft. Mcdermitt Paiute-Shoshone - Lower |
Mcdermitt | 456 |
10 | 136 |
| Nevada State Veterans Home Boulder City |
Boulder | 708 |
10 | 41 |
| Sierra Country Estates |
Minden | 47 |
10 | 27 |
| Osprey Mobile Home Park |
Las Vegas | 150 |
10 | 19 |
| Equestrian Estates Co Op Water Assoc |
Las Vegas | 108 |
10 | 17 |
| Cowboy Trail Rides |
Las Vegas | 30 |
10 | 16 |
| Ritchie Brothers |
Las Vegas | 1,013 |
10 | 15 |
| US Ecology Nevada |
Beatty | 90 |
10 | 11 |
| Ep Minerals LLC Fernley |
Reno | 41 |
10 | 11 |
| Shetland Water District |
Las Vegas | 38 |
9 | 33 |
| Washoe Valley Meetinghouse Facility Lds |
Reno | 108 |
9 | 20 |
| Sheris Ranch |
Pahrump | 33 |
9 | 10 |
| Blue Diamond Water Co Op Inc |
Las Vegas | 85 |
8 | 24 |
| Goldfield Town Water |
Goldfield | 350 |
8 | 15 |
| Caesars Palace |
Las Vegas | 6,372 |
8 | 10 |
| Star Point MHP RV Park |
Mill City | 25 |
8 | 8 |
| Las Vegas Paiute Snow Mountain |
Las Vegas | 175 |
7 | 240 |
| M Resort Spa and Casino |
Las Vegas | 3,550 |
7 | 43 |
| Goodsprings Es Clark Community Center |
Henderson | 25 |
7 | 25 |
| Amargosa Valley RV Park |
Beatty | 25 |
7 | 18 |
| Fallon RV Park |
Fallon | 85 |
6 | 62 |
| Dayton Tap House LLC |
Dayton | 50 |
6 | 59 |
| Stagecoach Gid |
Stagecoach | 1,628 |
6 | 30 |
| Coyote Corner III |
Henderson | 25 |
6 | 30 |
| Midas Water Cooperative |
Midas | 51 |
6 | 22 |
| Venetian Palazzo |
Las Vegas | 19,387 |
6 | 17 |
| Planet Hollywood Hotel and Casino |
Las Vegas | 6,509 |
6 | 15 |
| Linq Hotel and Casino |
Las Vegas | 5,172 |
6 | 11 |
| Nevada Gold Mines Carlin North Area Lch |
Elko | 300 |
6 | 10 |
| Acres Cultivation |
Amargosa Valley | 248 |
6 | 10 |
| Hawthorne Army Depot |
Hawthorne | 300 |
6 | 8 |
| Apex Regional Waste Mgmt Center |
Las Vegas | 90 |
6 | 8 |
| Idle Spurs Lounge and Restaurant |
Las Vegas | 58 |
6 | 6 |
| Moapa Paiute Travel Plaza |
Moapa | 420 |
5 | 116 |
| Loves Travel Stop and Country Store |
Henderson | 3,025 |
5 | 41 |
| Rosie's Den Cafe |
Las Vegas | 205 |
5 | 34 |
| Pine Village MHP |
Henderson | 80 |
5 | 28 |
| Certain Teed Gypsum |
Las Vegas | 85 |
5 | 18 |
| Bear Paw Lakeview Resort |
Pioche | 80 |
5 | 15 |
| Luna Vista |
Las Vegas | 66 |
5 | 11 |
| Beatty Water and Sanitation District |
Beatty | 1,024 |
5 | 10 |
| Yomba Indian Reservation |
Austin | 30 |
4 | 333 |
| East 50 Bar |
Dayton | 25 |
4 | 93 |
| Duck Valley Newtown |
Owyhee | 450 |
4 | 86 |
| Nevada Livestock Marketing |
Fallon | 25 |
4 | 71 |
| Kings River Elementary School |
Reno | 27 |
4 | 61 |
| Rimrock Cottages |
Las Vegas | 40 |
4 | 43 |
| Paradise Valley Elementary |
Winnemucca | 35 |
4 | 41 |
| Lander Co Sewer and Water Dist 2 Austin |
Battle Mountain | 350 |
4 | 37 |
| Keystone Center |
Sandy Valley | 30 |
4 | 35 |
| Beaver Dam Ranch LLC |
North Las Vegas | 60 |
4 | 16 |
| Mount Rose Bowl Property Owners Water Co |
Reno | 40 |
4 | 16 |
| Harmon Junction |
Fallon | 150 |
4 | 15 |
| Lake Front Estates |
Las Vegas | 50 |
4 | 15 |
| Carvers Smokey Valley RV and MHP |
Round Mountain | 250 |
4 | 14 |
| Hi-Lo Estates |
Las Vegas | 76 |
4 | 13 |
| Granite Construction |
Sparks | 50 |
4 | 13 |
| Crescent Dunes Solar Energy |
Tonopah | 40 |
4 | 12 |
| Kennametal Inc |
Fallon | 75 |
4 | 11 |
| Carmens Mexican Restaurant |
Yerington | 190 |
4 | 10 |
| Carberry Square |
Las Vegas | 50 |
4 | 8 |
| Bellagio Resort and Casino |
Las Vegas | 17,171 |
4 | 7 |
| Topaz Lake Water Co Inc |
Gardnerville | 40 |
4 | 7 |
| Nevada Gold Mines Cortez Mill 1 |
Elko | 83 |
4 | 4 |
| Lee Canyon Ski Area |
Las Vegas | 352 |
3 | 535 |
| Yerington City of |
Yerington | 5,050 |
3 | 404 |
| Alamo Sewer and Water Gid |
Alamo | 900 |
3 | 106 |
| Merritt Mobile Home & RV Park |
Las Vegas | 70 |
3 | 92 |
| Battle Mountain |
Battle Mountain | 195 |
3 | 74 |
| Red Rock Canyon Visitor Center Blm |
Las Vegas | 1,744 |
3 | 53 |