Lincoln County, Wyoming — public water systems
At a glance
44 active public water systems are filed under Lincoln County, Wyoming in EPA's SDWIS records, together reporting 19,264 people served. The largest is Kemmerer-Diamondville Jpb, which reports serving 3,348 people. 28 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
44
Population served
19.3K
Community systems
28
Groundwater share
90.9%
How does Lincoln County compare with other Wyoming counties?
Lincoln County has the 7th-most active public water systems among the 33 counties listed for active Wyoming systems in EPA records; among the 23 with 3 or more systems, the median has 27. Its systems report 19,264 people served in total, the 11th-largest county figure in the state and 3% of the statewide total. The average system here reports serving 438 people, about half of the Wyoming average of 838. 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 Lincoln County's drinking water come from?
By primary water source, Lincoln County's active systems draw on groundwater (38, 86%), surface water (3, 6.8%), purchased groundwater (1, 2.3%) and groundwater under influence of surface water (1, 2.3%). Overall, 91% rely mainly on groundwater (including purchased groundwater) and 9.1% on surface water, compared with 83% and 17% across Wyoming. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Kemmerer-Diamondville Jpb, draws primarily on surface water.
What kinds of water systems operate in Lincoln County?
Lincoln County's active systems break down as 28 community systems (64%), 2 non-transient non-community systems (4.5%) and 14 transient non-community systems (32%). 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 (50%), local government (39%), federal government (9.1%) and state government (2.3%).
Water systems in Lincoln County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Kemmerer-Diamondville Jpb | Lincoln | 3,348 | Community | Surface water |
| 2 | Star Valley Ranch, Town of | Lincoln | 2,030 | Community | Groundwater |
| 3 | Afton, Board of Pub Utilities | Lincoln | 2,000 | Community | Groundwater |
| 4 | Leisure Valley Inc./ Star Valley Rv Park | Lincoln | 1,910 | Community | Groundwater |
| 5 | Alpine, Town of | Lincoln | 1,300 | Community | Groundwater |
| 6 | Wy Dot-Star Valley Rest Area | Lincoln + 1 more | 1,260 | Transient non-community | Groundwater |
| 7 | Bedford Water & Sewer District | Lincoln | 750 | Community | Groundwater |
| 8 | Greater Smoot W&S District | Lincoln | 720 | Community | Groundwater |
| 9 | Cokeville, Town of | Lincoln | 535 | Community | Groundwater |
| 10 | LDS Auburn/Grover/Meadows Meetinghouse | Lincoln | 500 | Transient non-community | Groundwater |
| 11 | Nordic Ranches Water, LLC. | Lincoln | 465 | Community | Groundwater |
| 12 | Thayne, Town of | Lincoln | 366 | Community | Groundwater |
| 13 | La Barge, Town of | Lincoln | 347 | Community | Surface water |
| 14 | Osmond I&S District | Lincoln | 315 | Community | Groundwater |
| 15 | Freedom W&S District | Lincoln | 300 | Community | Groundwater |
| 16 | Grover Water & Sewer District | Lincoln | 252 | Community | Groundwater |
| 17 | Alpine 4-H Camp | Lincoln | 250 | Transient non-community | Groundwater |
| 18 | Exxon Mobil - Shute Creek Gas Plant | Lincoln | 250 | Non-transient non-community | Surface water |
| 19 | Fairview Water & Sewer District | Lincoln | 230 | Community | Groundwater |
| 20 | Targhee Nf-Alpine Cg | Lincoln | 200 | Transient non-community | Groundwater |
| 21 | North Alpine I&S District | Lincoln | 200 | Community | Groundwater |
| 22 | Jacz Drive in and Rv Park | Lincoln | 158 | Transient non-community | Groundwater |
| 23 | Holy Family Catholic Church, Inc.. | Lincoln | 140 | Transient non-community | Groundwater |
| 24 | Emmanuel Bible Church | Lincoln | 138 | Transient non-community | Groundwater |
| 25 | Btnf-Station Creek Cg | Lincoln | 135 | Transient non-community | Groundwater |
| 26 | Etna Water & Sewer District | Lincoln | 135 | Community | Groundwater |
| 27 | Town of Alpine - Mega Well | Lincoln | 120 | Community | Groundwater |
| 28 | Nps Fossil Butte Natl Monument | Lincoln | 100 | Transient non-community | Groundwater |
| 29 | Trail Ridge Water System | Lincoln | 100 | Community | Groundwater |
| 30 | Turnerville Water and Sewer District | Lincoln | 90 | Community | Groundwater under influence of surface water |
| 31 | Star View Estates | Lincoln | 84 | Community | Groundwater |
| 32 | Westview Village | Lincoln | 83 | Community | Groundwater |
| 33 | Star Valley Trailer Court | Lincoln | 72 | Community | Groundwater |
| 34 | Opal, Town of | Lincoln | 65 | Community | Groundwater |
| 35 | Wolf Den | Lincoln | 50 | Transient non-community | Groundwater |
| 36 | Kennington Springs Pipeline | Lincoln | 45 | Community | Groundwater |
| 37 | Wapiti Village Rv Park | Lincoln | 42 | Transient non-community | Groundwater |
| 38 | Williams Field Services-Opal | Lincoln | 41 | Non-transient non-community | Purchased groundwater |
| 39 | Oakley Water, LLC | Lincoln | 39 | Community | Purchased surface water |
| 40 | Flat Creek Rv Park | Lincoln | 28 | Transient non-community | Groundwater |
| 41 | Broken Wheel Ranch Association | Lincoln | 27 | Transient non-community | Groundwater |
| 42 | Cedar Springs Meadows | Lincoln | 19 | Community | Groundwater |
| 43 | North Forty Subdivision | Lincoln | 15 | Community | Groundwater |
| 44 | Blm-Fontenelle Creek Cg | Lincoln + 1 more | 10 | Transient non-community | Groundwater |
Lincoln County water systems: frequently asked questions
How many public water systems are in Lincoln County, Wyoming?
EPA's SDWIS records file 44 active public water systems under Lincoln County, Wyoming: 28 community systems (64%), 2 non-transient non-community systems (4.5%) and 14 transient non-community systems (32%).
Who supplies drinking water in Lincoln County, WY?
The largest community water systems filed under Lincoln County are Kemmerer-Diamondville Jpb (3,348 people served), Town of Star Valley Ranch (2,030 people served) and Afton, Board of Pub Utilities (2,000 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 Lincoln County's drinking water come from groundwater or surface water?
Of the 44 active public water systems in Lincoln County, 91% draw mainly on groundwater and 9.1% on surface water, counting purchased supplies. The largest system, Kemmerer-Diamondville Jpb, uses surface water.
Where can I find a water quality report for Lincoln 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. 28 community systems are filed under Lincoln 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 Lincoln 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 Wyoming water systems
- All Wyoming public water systems· 775 active
- Fremont County· 61 systems
- Laramie County· 50 systems
- Park County· 49 systems
- Natrona County· 48 systems
- Sweetwater County· 44 systems
- Big Horn County· 28 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
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 Lincoln County, Wyoming”, https://aquacensus.com/water-systems/wyoming/lincoln (data as of October 1, 2026).