Groundwater Rule (GWR) violations in Nevada
46 active public water systems in Nevada had a Groundwater Rule (GWR) violation in the past three years, 46 of them still unresolved. What Groundwater Rule (GWR) is and why it matters.
Systems with a Groundwater Rule (GWR) violation
Unresolved first, then largest first| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
City Center Hotels Clark County |
17,739 | 1 | 1 | |
|
Primm Valley Casino Resorts Clark County |
7,000 | 3 | 2 | |
|
Grandview at las Vegas Clark County |
5,750 | 2 | 1 | |
|
M Resort Spa and Casino Clark County |
3,550 | 5 | 2 | |
|
Las Vegas Paiute Snow Mountain Las Vegas Snow Mountain · County |
2,340 | 5 | 3 | |
|
Blue Diamond Rainbow SW Plaza Water Clark County |
1,871 | 3 | 1 | |
|
Topaz Ranch Estates Gid and Water CO Douglas County |
1,545 | 6 | 0 | |
|
Jackpot Water System Jackpot · Elko County |
1,240 | 3 | 1 | |
|
Walker River Paiute Tribe Walker River · County |
662 | 10 | 2 | |
|
Nps Cottonwood Cove Cottonwood Cove · Clark County |
592 | 4 | 1 | |
|
Ft. McDermitt Paiute-Shoshone Lower Fort Mcdermitt · County |
456 | 4 | 2 | |
|
Washoe Tribe Dresslerville Community County |
452 | 3 | 1 | |
|
Washoe Tribe Carson Colony Carson Colony · County |
450 | 1 | 1 | |
|
Sandy Valley Schools ES MS Ccsd Clark County |
230 | 5 | 3 | |
|
Battle Mountain Battle Mountain · County |
195 | 7 | 3 | |
|
Cold Creek Canyon Homeowners Cold Creek · Clark County |
180 | 1 | 1 | |
|
Duckwater Duckwater · County |
166 | 5 | 1 | |
|
Duck Valley Owyhee Owyhee · County |
150 | 2 | 1 | |
|
Washoe Tribe Stewart County |
150 | 2 | 1 | |
|
Silver Knolls Mutual Water Company Washoe County |
120 | 2 | 1 | |
|
Ft. McDermitt Paiute-Shoshone Upper Fort Mcdermitt · County |
110 | 4 | 1 | |
|
Floyd Lamb Park Clark County |
100 | 2 | 2 | |
|
Las Vegas Paiute Colony Las Vegas Colony · County |
100 | 4 | 2 | |
|
Walker Lane Rawhide Mine Mineral County |
90 | 2 | 1 | |
|
Torrey Pines Tina LN Wtr Assoc Clark County |
70 | 2 | 0 | |
|
P and L Denio Junction RV Park Humboldt County |
65 | 5 | 4 | |
|
Idle Spurs Lounge and Restaurant Clark County |
58 | 1 | 0 | |
|
C Valley MHP Nye County |
54 | 1 | 1 | |
|
Rosemount Water CO Washoe County |
54 | 6 | 5 | |
|
Olam Svi Churchill County |
50 | 5 | 0 | |
|
Middlegate Station Middlegate · Churchill County |
40 | 2 | 1 | |
|
South Fork (te-Moak) South Fork Band · County |
40 | 7 | 2 | |
|
Paradise Valley Elementary Humboldt County |
35 | 5 | 3 | |
|
Blue Diamond Travel Center H325 Clark County |
33 | 1 | 1 | |
|
Keystone Center Clark County |
30 | 3 | 1 | |
|
Mountain City Water and Sewer Mountain City · Elko County |
30 | 1 | 1 | |
|
Yomba Indian Reservation Yomba Shoshone Tribe · County |
30 | 12 | 5 | |
|
Churchill Butte Complex Lyon County |
25 | 2 | 1 | |
|
Desert Sunrise Water Users Assoc Clark County |
25 | 6 | 1 | |
|
Dovetail Ranch Elko County |
25 | 2 | 1 | |
|
Elkhorn Water Association LLC Clark County |
25 | 7 | 1 | |
|
Fort Apache Ann NE Water Assoc Clark County |
25 | 1 | 1 | |
|
Goodsprings ES Clark Community Center Clark County |
25 | 4 | 3 | |
|
Jack Creek Lodge Elko County |
25 | 1 | 1 | |
|
Sandy Valley Meetinghouse Lds Clark County |
25 | 3 | 0 | |
|
R&r RV Park Elko County |
24 | 1 | 1 |
About this data
A system is counted once if any of its violations in the past three years involved Groundwater Rule (GWR), including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not Groundwater Rule (GWR) alone.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Nevada records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.