PlainWater

Teton County, Wyoming

SDWIS compliance plate

Sheet WY039 · Teton County 116 sys · 5,306 viol · #683/3254

VIOL-SEVERE · HEALTH-LOW · RANK-UPPER · BELOW-PEER · PFAS-MID · SRC-GW · SYS-MID · BOOK-FULL

  • VIOL-SEVERE 87.1% flagged
  • HEALTH-LOW 6.7% health
  • RANK-UPPER #683/3254
  • BELOW-PEER 1.2 pp cleaner
  • PFAS-MID 33.3% detect
  • SRC-GW GW lead 91%
  • SYS-MID 116 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Goshen County (+ 1.2 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Teton County ranks #683 of 3,254 counties by people served, and #3 of 23 counties in Wyoming. See methodology · corpus placement.

Teton County standing, lower-flagged corpus third

Flagged-system rate 87.1% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 6.7% is health-based share at or below the lower third (≤ 10.3%) . UCMR5 detect rate 33.3% is UCMR5 detect rate in the tested-pool middle third (≤ 33.3%) . Population served ranks #683 of 3,254 · #3 of 23 in Wyoming.

Flagged-rate neighbourhood around Teton County

Lowest/highest poles plus in-state counties nearest Teton County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Teton · this county · lowest Park · near Sublette · near 87.1% 88.2% 91.8% 92.3% 92.9% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

System Name Population Violations PFAS
Jackson, Town Of 24,760 283 Detected
Ynp-Old Faithful 7,675 35 Clean
Ynp - Lake Village 5,925 41 -
Gtnp-Colter Bay Village 4,514 3 Clean
Ynp-Grant Village 3,513 1 -
Grand Targhee Resort 2,500 3 -
Rendezvous (R) Park 2,006 1 -
Gtnp-Jackson Lake Lodge 1,830 0 -
Gtnp-Signal Mtn 1,514 50 -
Rafter J Subdivision HOA 1,500 177 -
Aspens Pines W&S District 1,400 22 -
Jackson Hole Airport 1,300 106 -
Ynp- Madison Junction Water System 1,205 10 -
Hoback Stores, Inc. Dba Hoback Market 1,018 37 -
Dornan`s Moose Enterprises 1,010 46 -
Ynp-Tower Junction Ranger Station 940 1 -
Teton Village Water & Sewer District 906 14 -
Melody Ranch Improvement & Service Dist. 900 35 -
Gtnp-Flagg Ranch 600 0 -
Grand Teton Park RV Resort 502 81 -
Munger Mountain Elementary School 500 49 -
Gtnp-Gros Ventre Cg 500 0 -
Pub Place 497 233 -
Snow King Condominiums 490 6 -
Teton Science School-Jackson Campus 420 0 -
Spring Creek Improvement District 400 196 -
Calico Italian Restaurant 350 3 -
Snake River Sporting Club 332 7 -
Camp Loll- Boy Scouts of America 320 14 -
Targhee Nf-Reunion Flat Campground 300 10 -
Ynp -Lewis Lake Cg 294 1 -
Gtnp-Laurance S. Rockefeller Pc 275 0 -
Togwotee Mountain Lodge 270 12 -
Bar Y Estates/Gros Ventre West Wtr Dists 270 151 -
Nora's Fish Creek Inn 263 31 -
Skyline Ranch I&s District 260 88 -
Darby Girls Camp 225 22 -
Gtnp--Moose/Beaver Creek 221 9 -
National Wildlife Art Museum 213 19 -
Fish Creek Improvement and Service Dist 210 0 -
Gros Ventre Utility 200 20 -
Snake River Park KOA 200 22 -
Flat Creek Inn 200 11 -
Fireside Resort Incorporated 170 56 -
Snow King Mountain Resort Summit WS 170 0 -
Gtnp- Triangle X Ranch 166 2 -
Stagecoach Bar Incorporated 163 31 -
Gtnp-Jenny Lake Lodge 163 1 -
Squaw Creek Water District 160 207 -
Gros Ventre North HOA 160 170 -

Compare beyond Wyoming

Lower-flagged peers for Teton County

Cross-state counties nearest Teton County on flagged-system share (87.1%) and cumulative violation count (5,306). In-state neighbours stay on the compliance plate above.

Similar flagged-system rate

Nearest cross-state counties by % of SDWIS systems with at least one violation on record.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.