PlainWater
Counties → Wyoming

Sweetwater County, Wyoming

SDWIS compliance plate

Sheet WY037 · Sweetwater County 47 sys · 1,717 viol · #920/3254

VIOL-SEVERE · HEALTH-MID · RANK-UPPER · PHOTO-FINISH · PFAS-CLEAN · SRC-SW · SYS-MID · BOOK-FULL

  • VIOL-SEVERE 95.7% flagged
  • HEALTH-MID 25.3% health
  • RANK-UPPER #920/3254
  • PHOTO-FINISH ±0.1 pp
  • PFAS-CLEAN 0.0% detect
  • SRC-SW SW lead 68%
  • SYS-MID 47 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Albany County (+ 0.1 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Sweetwater County ranks #920 of 3,254 counties by people served, and #4 of 23 counties in Wyoming. See methodology · corpus placement.

Sweetwater County standing, mid-flagged corpus third

Flagged-system rate 95.7% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 25.3% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 0.0% is UCMR5 detect rate at or below the tested-pool lower third (≤ 0.0%) . Population served ranks #920 of 3,254 · #4 of 23 in Wyoming.

Flagged-rate neighbourhood around Sweetwater County

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

0% 20% 40% 60% 80% 100% Teton · lowest Campbell · near Albany · near Niobrara · highest 87.1% 95.5% 95.6% 95.7% 95.8% 96.3% 100%

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

Water Systems

System Name Population Violations PFAS
Rock Springs, City Of 24,000 5 Clean
Green River, City Of 10,500 5 Clean
White Mountain W&S District 3,000 0 -
Little America Hotels & Resorts, Inc- WY 2,004 108 -
Pioneer Mobile Home Park 1,000 17 -
We Soda Alkali, LLC 950 29 -
Clearview I&s District 930 64 -
WY DOT-Bitter Creek East Ra 843 1 -
WY DOT-Bitter Creek West Ra 801 6 -
Tata Chemicals Soda Ash Partners, LLC 701 229 -
Skyline Village Mobile Home Pk 700 34 -
Jamestown-Rio Vista W&S District 560 2 -
Farson Eden School 530 63 -
Wamsutter, Town Of 500 51 -
Sisecam Wyoming LLC 450 34 -
Jim Bridger Power Plant 450 45 -
American Soda LLC 450 94 -
Western Hills MHP 450 14 -
Rock Springs/Green River KOA 415 29 -
Lewis Mobile Home Park 370 41 -
Superior, Town Of 336 192 -
Horizon MHP 330 5 -
Ten Mile Water and Sewer District 305 9 -
Mobile Corrals/Stalls Court 300 7 -
Simplot Phosphates, LLC 300 4 -
White Mountain Mobile Home Park 270 16 -
Bridger Coal Company-Admin 191 8 -
Sweetwater County Airport 189 27 -
Black Butte Coal Company 150 8 -
Garcia Mobile Home Park 148 0 -
Granger, Town Of 139 130 -
Desert Trails MHP 112 21 -
W Bar K Mobile Home Park 110 9 -
Rolling Green Country Club 100 34 -
We Soda Alkali, LP-Granger Facility 95 38 -
Point of Rocks Mercantile 78 17 -
Bairoil, Town Of 71 34 -
Ashley Nf-Firehole Recretional Area 70 4 -
Eaton Investments 65 7 -
Emerald River Estates 62 6 -
Ashley Nf-Buckboard Crossing Cg 62 8 -
Ur-Energy USA, Lost Creek Isr 60 26 -
Mitch`s Cafe & Sitzman's Motel 54 16 -
Eden Saloon 29 74 -
Rock Springs/Green River Jpb 25 15 -
Farson Mobile Home Court 20 120 -
Blm-Fontenelle Creek Cg 10 11 -

Compare beyond Wyoming

Mid-flagged peers for Sweetwater County

Cross-state counties nearest Sweetwater County on flagged-system share (95.7%) and cumulative violation count (1,717). 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

Read our methodology · Check your water system - how this data is sourced, computed, and verified.

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.