Skip to content
AquaCensus

Humboldt County, Nevada — public water systems

At a glance

27 active public water systems are filed under Humboldt County, Nevada in EPA's SDWIS records, together reporting 13,801 people served. The largest is City of Winnemucca, which reports serving 8,518 people. 7 are community water systems serving people where they live; the other 20 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

27

Population served

13.8K

Community systems

7

Groundwater share

100%

How does Humboldt County compare with other Nevada counties?

Humboldt County has the 8th-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 13,801 people served in total, the 10th-largest county figure in the state and 0.4% of the statewide total. The average system here reports serving 511 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 Humboldt County's drinking water come from?

By primary water source, Humboldt County's active systems draw on groundwater (27, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none 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 Winnemucca, draws primarily on groundwater.

What kinds of water systems operate in Humboldt County?

Humboldt County's active systems break down as 7 community systems (26%), 11 non-transient non-community systems (41%) and 9 transient non-community systems (33%). 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 (63%), local government (26%), federal government (7.4%) and state government (3.7%).

Water systems in Humboldt County

🔒 Create a free account to export CSV
Active public water systems in Humboldt County, Nevada
#Water systemCountyPopulation servedTypeSource
1Winnemucca City ofHumboldt8,518CommunityGroundwater
2Gold Country EstatesHumboldt1,695CommunityGroundwater
3Nevada Gold Mines Twin CreeksHumboldt600Non-transient non-communityGroundwater
4Nevada Gold Mines Turquoise RidgeHumboldt480Non-transient non-communityGroundwater
5Marigold Mine Potable Water SystemHumboldt450Non-transient non-communityGroundwater
6Ndot Valmy Roadside Park Rp809huHumboldt367Transient non-communityGroundwater
7Star City PropertiesHumboldt285CommunityGroundwater
8Golconda GidHumboldt210CommunityGroundwater
9Mcdermitt Water SystemHumboldt200CommunityGroundwater
10Orovada Water DistrictHumboldt200CommunityGroundwater
11Valmy Station Mobile Home ParkHumboldt96CommunityGroundwater
12Hycroft Resources & Development LLCHumboldt90Non-transient non-communityGroundwater
13Community Hall Paradise ValleyHumboldt72Transient non-communityGroundwater
14P and L Denio Junction Rv ParkHumboldt65Non-transient non-communityGroundwater
15North Valmy Power PlantHumboldt60Non-transient non-communityGroundwater
16Royal Peacock Rv ParkHumboldt53Transient non-communityGroundwater
17Css Farms LLCHumboldt50Non-transient non-communityGroundwater
18Valmy ChevronHumboldt45Transient non-communityGroundwater
19Paradise Valley ParkHumboldt40Transient non-communityGroundwater
20Diamond PlasticsHumboldt38Non-transient non-communityGroundwater
21Paradise Valley ElementaryHumboldt35Non-transient non-communityGroundwater
22Kings River Elementary SchoolHumboldt27Non-transient non-communityGroundwater
23Virgin Valley Campground FwsHumboldt25Transient non-communityGroundwater
24A1 Fuel StopHumboldt25Transient non-communityGroundwater
25Denio JunctionHumboldt25Transient non-communityGroundwater
26Lone Tree MineHumboldt25Non-transient non-communityGroundwater
27Lye Creek Campground UsfsHumboldt25Transient non-communityGroundwater

Humboldt County water systems: frequently asked questions

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

EPA's SDWIS records file 27 active public water systems under Humboldt County, Nevada: 7 community systems (26%), 11 non-transient non-community systems (41%) and 9 transient non-community systems (33%).

Who supplies drinking water in Humboldt County, NV?

The largest community water systems filed under Humboldt County are City of Winnemucca (8,518 people served), Gold Country Estates (1,695 people served) and Star City Properties (285 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 Humboldt County's drinking water come from groundwater or surface water?

Of the 27 active public water systems in Humboldt County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, City of Winnemucca, uses groundwater.

Where can I find a water quality report for Humboldt 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. 7 community systems are filed under Humboldt 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 Humboldt 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 Humboldt County, Nevada”, https://aquacensus.com/water-systems/nevada/humboldt (data as of October 1, 2026).