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Teton County, Idaho — public water systems

At a glance

27 active public water systems are filed under Teton County, Idaho in EPA's SDWIS records, together reporting 8,719 people served. The largest is City of Victor, which reports serving 2,361 people. 11 are community water systems serving people where they live; the other 16 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

8.7K

Community systems

11

Groundwater share

100%

How does Teton County compare with other Idaho counties?

Teton County has the 24th-most active public water systems among the 64 counties listed for active Idaho systems in EPA records; among the 47 with 3 or more systems, the median has 27. Its systems report 8,719 people served in total, the 27th-largest county figure in the state and 0.5% of the statewide total. The average system here reports serving 323 people, about 64% below the Idaho average of 899. 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 Teton County's drinking water come from?

By primary water source, Teton 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 96% and 4.1% across Idaho. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, City of Victor, draws primarily on groundwater.

What kinds of water systems operate in Teton County?

Teton County's active systems break down as 11 community systems (41%), 1 non-transient non-community systems (3.7%) and 15 transient non-community systems (56%). 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 (67%), local government (22%) and federal government (11%).

Water systems in Teton County

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Active public water systems in Teton County, Idaho
#Water systemCountyPopulation servedTypeSource
1Victor City ofTeton2,361CommunityGroundwater
2Driggs City ofTeton2,200CommunityGroundwater
3Teton Valley CabinsTeton1,000Transient non-communityGroundwater
4Teton Springs Water and Sewer CompanyTeton924CommunityGroundwater
5Tetonia City ofTeton409CommunityGroundwater
6Targhee Nf-Reunion Flat CampgroundTeton300Transient non-communityGroundwater
7Fox Creek Country Club EstatesTeton250CommunityGroundwater
8Darby Girls CampTeton225Transient non-communityGroundwater
9Targhee Nf-Teton Canyon CgTeton125Transient non-communityGroundwater
10IronwoodTeton125CommunityGroundwater
11Packsaddle SubdTeton100Transient non-communityGroundwater
12Targhee Meadows Water Users AssnTeton83Transient non-communityGroundwater
13Ee Dah How Acres SubdTeton69CommunityGroundwater
14Teton Reserve Subdivision & Golf CourseTeton62CommunityGroundwater
15Darby Water AssnTeton58CommunityGroundwater
16The Learning AcademyTeton50Non-transient non-communityGroundwater
17Teton Valley LodgeTeton50Transient non-communityGroundwater
18LDS Badger Creek Outdoor Center-5191009Teton50Transient non-communityGroundwater
19Sky Mountain RanchTeton50Transient non-communityGroundwater
20Targhee Nf-Trail Creek CgTeton40Transient non-communityGroundwater
21Grove Creek Subd Water AssnTeton30CommunityGroundwater
22Linn Guest RanchTeton30Transient non-communityGroundwater
23Jackalope AssnTeton28CommunityGroundwater
24River Rim Ranch Subdivision #1 and LodgeTeton25Transient non-communityGroundwater
25Driggs Super 8Teton25Transient non-communityGroundwater
26Headwaters Calvary ChapelTeton25Transient non-communityGroundwater
27Moose Creek RanchTeton25Transient non-communityGroundwater

Teton County water systems: frequently asked questions

How many public water systems are in Teton County, Idaho?

EPA's SDWIS records file 27 active public water systems under Teton County, Idaho: 11 community systems (41%), 1 non-transient non-community systems (3.7%) and 15 transient non-community systems (56%).

Who supplies drinking water in Teton County, ID?

The largest community water systems filed under Teton County are City of Victor (2,361 people served), City of Driggs (2,200 people served) and Teton Springs Water and Sewer Company (924 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 Teton County's drinking water come from groundwater or surface water?

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

Where can I find a water quality report for Teton 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. 11 community systems are filed under Teton 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 Teton 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 Idaho 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 Teton County, Idaho”, https://aquacensus.com/water-systems/idaho/teton (data as of October 1, 2026).