County · Wyoming
Teton County, Wyoming: drinking water records
This overview covers 7 ZIP codes and 37 community water systems in Teton County. It also stands in for 1 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Ynp-Old Faithful WY5680085 | 7,675 | 120 | 0 | 10 | 6 ppb |
| Jackson, Town of WY5600213 | 24,760 | 180 | 1 | 0 | 1 ppb |
| Ynp - Lake Village WY5680079 | 5,925 | 0 | 0 | 1 | 11 ppb |
| Gtnp-Colter Bay Village WY5680095 | 4,514 | 60 | 0 | 0 | 0 ppb |
| Rafter J Subdivision HOA WY5600822 | 1,500 | 0 | 0 | 1 | 3 ppb |
| Bar y Estates/Gros Ventre West Wtr Dists WY5600976 | 270 | 0 | 0 | 1 | 1 ppb |
| Squaw Creek Water District WY5600737 | 160 | 0 | 0 | 1 | 8 ppb |
| Indian Paintbrush Water District WY5600758 | 150 | 0 | 0 | 1 | 2 ppb |
| Key Largo Utilities TX0200401 | 105 | 0 | 0 | 5 | 4.9 ppb |
| Rivermeadows Water District WY5600786 | 100 | 0 | 0 | 6 | 4 ppb |
| Hi-Country Water District WY5600216 | 85 | 0 | 0 | 1 | 0 ppb |
| Gtnp-Jackson Lake Lodge WY5680103 | 1,830 | 0 | 0 | 0 | 2 ppb |
| Aspens Pines W&s District WY5600220 | 1,400 | 0 | 0 | 0 | 2 ppb |
| Teton Village Water & Sewer District WY5600218 | 906 | 0 | 0 | 0 | 2 ppb |
| Melody Ranch Improvement & Service Dist. WY5601440 | 900 | 0 | 0 | 0 | 5 ppb |
| Spring Creek Improvement District WY5600811 | 400 | 0 | 0 | 0 | 3 ppb |
| Snake River Sporting Club WY5601699 | 332 | 0 | 0 | 0 | 5 ppb |
| Skyline Ranch I&s District WY5600217 | 260 | 0 | 0 | 0 | 2 ppb |
| Gtnp--Moose/Beaver Creek WY5680093 | 221 | 0 | 0 | 0 | 1 ppb |
| Fish Creek Improvement and Service Dist WY5601473 | 210 | 0 | 0 | 0 | 1 ppb |
| Gros Ventre Utility WY5600027 | 200 | 0 | 0 | 0 | 1 ppb |
| Gros Ventre North HOA WY5601357 | 160 | 0 | 0 | 0 | 3 ppb |
| Evans Mobile Home Court WY5600215 | 150 | 0 | 0 | 0 | 0 ppb |
| Targhee Towne Water District WY5600787 | 120 | 0 | 0 | 0 | 3 ppb |
| Teton Shadows HOA WY5600724 | 100 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Teton County
No ZIP report in this county is published yet.
These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 83011.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.