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Elko County, Nevada — public water systems

At a glance

41 active public water systems are filed under Elko County, Nevada in EPA's SDWIS records, together reporting 51,585 people served. The largest is City of Elko, which reports serving 23,000 people. 16 are community water systems serving people where they live; the other 25 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.

Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

41

Population served

51.6K

Community systems

16

Groundwater share

97.6%

How does Elko County compare with other Nevada counties?

Elko County has the 4th-most active public water systems among the 47 counties listed for active Nevada systems in EPA records; among the 22 with 3 or more systems, the median has 14. Its systems report 51,585 people served in total, the 5th-largest county figure in the state and 1.5% of the statewide total. The average system here reports serving 1,258 people, well below the Nevada average of 5,508. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.

Where does Elko County's drinking water come from?

By primary water source, Elko County's active systems draw on groundwater (39, 95%), purchased groundwater (1, 2.4%) and surface water (1, 2.4%). Overall, 98% rely mainly on groundwater (including purchased groundwater) and 2.4% on surface water, compared with 88% and 12% across Nevada. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, City of Elko, draws primarily on groundwater.

What kinds of water systems operate in Elko County?

Elko County's active systems break down as 16 community systems (39%), 6 non-transient non-community systems (15%) and 19 transient non-community systems (46%). A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (56%), local government (24%), state government (9.8%) and federal government (9.8%).

Water systems in Elko County

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Active public water systems in Elko County, Nevada
#Water systemCountyPopulation servedTypeSource
1Elko City ofElko23,000CommunityGroundwater
2Great Basin Water Co Spring CreekElko9,340CommunityGroundwater
3West Wendover Water SystemElko4,535CommunityGroundwater
4Great Basin Water Co Spring Creek MHPElko3,640CommunityGroundwater
5Carlin UtilitiesElko2,500CommunityGroundwater
6Sage SchoolsElko2,200Non-transient non-communityGroundwater
7Wells Municipal Water DepartmentElko1,300CommunityGroundwater
8Jackpot Water SystemElko1,240CommunityGroundwater
9Lamoille Valley PlazaElko772Non-transient non-communityGroundwater
10Ruby Dome Holdings Dba Elko Rv ParkElko357CommunityGroundwater
11Montello Water SystemElko287CommunityGroundwater
12Ryndon Gas & Food LLCElko277Transient non-communityGroundwater
13Valley View Rv ParkElko250CommunityGroundwater
14Lamoille Water Users AssocElko200CommunityGroundwater
15Jarbidge Water SystemElko200CommunitySurface water
16California National Historic Trails CtrElko178Transient non-communityGroundwater
17Carlin Honor Camp NdocElko147Non-transient non-communityGroundwater
18El Nino Dry FacilityElko125Non-transient non-communityPurchased groundwater
19Jerritt Canyon Gold Jerritt Canyon MineElko125Non-transient non-communityGroundwater
20Nevada Gold Mines Long CanyonElko110Non-transient non-communityGroundwater
21Nevada Youth Training CenterElko100CommunityGroundwater
22Angel Creek Campground UsfsElko75Transient non-communityGroundwater
23Tuscarora Water SystemElko72CommunityGroundwater
24South Crestview AssociationElko60CommunityGroundwater
25Midas Water CooperativeElko51Transient non-communityGroundwater
26Wildhorse State Park and Recreation AreaElko45Transient non-communityGroundwater
27Welcome Station Rv Park Sono LLCElko35Transient non-communityGroundwater
28Camp Lamoille Lions ClubElko30Transient non-communityGroundwater
29Mountain City Water and SewerElko30CommunityGroundwater
30South Ruby Campground UsfsElko30Transient non-communityGroundwater
31Mustang MonumentElko25Transient non-communityGroundwater
32Wildhorse ResortElko25Transient non-communityGroundwater
33Ruby 360 LodgeElko25Transient non-communityGroundwater
34Terraces Picnic Grounds UsfsElko25Transient non-communityGroundwater
35Thomas Canyon Campground UsfsElko25Transient non-communityGroundwater
36Jiggs BarElko25Transient non-communityGroundwater
37Lone Mountain StationElko25Transient non-communityGroundwater
38Jack Creek LodgeElko25Transient non-communityGroundwater
39Southfork State Park and Recreation AreaElko25Transient non-communityGroundwater
40Dovetail RanchElko25Transient non-communityGroundwater
41R&R Rv ParkElko24Transient non-communityGroundwater

Elko County water systems: frequently asked questions

How many public water systems are in Elko County, Nevada?

EPA's SDWIS records file 41 active public water systems under Elko County, Nevada: 16 community systems (39%), 6 non-transient non-community systems (15%) and 19 transient non-community systems (46%).

Who supplies drinking water in Elko County, NV?

The largest community water systems filed under Elko County are City of Elko (23,000 people served), Great Basin Water Co Spring Creek (9,340 people served) and West Wendover Water System (4,535 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.

Does Elko County's drinking water come from groundwater or surface water?

Of the 41 active public water systems in Elko County, 98% draw mainly on groundwater and 2.4% on surface water, counting purchased supplies. The largest system, City of Elko, uses groundwater.

Where can I find a water quality report for Elko County?

Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 16 community systems are filed under Elko County, so the report to look for is the one from the system that supplies your address.

How can I check violations for a water system in Elko County?

Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.

More Nevada water systems

About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Public water systems in Elko County, Nevada”, https://aquacensus.com/water-systems/nevada/elko (data as of October 1, 2026).