Revised Total Coliform Rule (RTCR) violations in Wyoming
180 active public water systems in Wyoming had a Revised Total Coliform Rule (RTCR) violation in the past three years, 54 of them in the latest quarter of EPA's data. What Revised Total Coliform Rule (RTCR) is and why it matters.
Systems with a Revised Total Coliform Rule (RTCR) violation
Latest quarter first, then largest first| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Uxu Ranch LLC Wapiti · Park County |
35 | 2 | 0 | |
|
Btnf-Turpin Meadow CG Moran Jct · Teton County |
30 | 3 | 0 | |
|
Hagens Estates Gillette · Campbell County |
29 | 9 | 0 | |
|
Teton County Weed & Pest District Jackson · Teton County |
29 | 1 | 0 | |
|
Ynp-Canyon Village Yellowstone Np · Park County |
4,300 | 2 | 0 | |
|
Devils Tower National Monument Devils Tower · Crook County |
3,071 | 1 | 0 | |
|
Fort Washakie County |
2,620 | 2 | 0 | |
|
Arng-Camp Guernsey Cantonment Camp Guernsey · Platte County |
2,000 | 7 | 0 | |
|
WY Dot Lusk Rest Area Lusk · Niobrara County |
1,700 | 1 | 0 | |
|
WY Dot-Fort Steele Rest Area Rawlins · Carbon County |
1,660 | 2 | 0 | |
|
Love`s Travel Center Cheyenne · Laramie County |
1,545 | 1 | 0 | |
|
Ynp-Norris Yellowstone Np · Park County |
1,515 | 3 | 0 | |
|
Pioneer Water & Sewer District Mills · Natrona County |
1,500 | 3 | 1 | |
|
Rafter J Subdivision HOA Jackson · Teton County |
1,500 | 5 | 1 | |
|
WY Dot-Summit Rest Area Laramie · Albany County |
1,500 | 1 | 0 | |
|
Ynp Madison Junction Water System Yellowstone Nt · Teton County |
1,205 | 2 | 0 | |
|
Guernsey, Town of Guernsey · Platte County |
1,157 | 2 | 0 | |
|
Super Pumper/sinclair #5 Cheyenne · Laramie County |
1,022 | 2 | 0 | |
|
Hoback Stores, Inc. Dba Hoback Market Jackson · Teton County |
1,018 | 1 | 0 | |
|
Teton Village Water & Sewer District Teton Village · Teton County |
906 | 1 | 0 | |
|
K Bar Z Guest Ranch Cody · Park County |
847 | 2 | 1 | |
|
Veterans Administration Medical Center Sheridan · Sheridan County |
802 | 5 | 1 | |
|
Antelope Butte Ski Area Dayton · Big Horn County |
527 | 3 | 0 | |
|
Devils Tower Koa-Campstool Devils Tower · Crook County |
516 | 2 | 0 | |
|
Hogadon Ski Area Casper · Natrona County |
504 | 1 | 0 | |
|
Lds Auburn/grover/meadows Meetinghouse Grover · Lincoln County |
500 | 1 | 0 | |
|
Lingle, Town of Lingle · Goshen County |
486 | 5 | 0 | |
|
Nordic Ranches Water, Llc. Alpine · Lincoln County |
465 | 3 | 0 | |
|
Natrona County Int'l Airport Casper · Natrona County |
423 | 3 | 0 | |
|
Wydot-South Pass Rest Area Lander · Fremont County |
401 | 1 | 0 | |
|
Arbys Restaurant #7432 Cheyenne · Laramie County |
386 | 3 | 0 | |
|
Lucerne Water and Sewer Dist. Thermopolis · Hot Springs County |
350 | 2 | 1 | |
|
WY Dot-Independence RA Casper · Natrona County |
350 | 1 | 0 | |
|
Camp Loll Boy Scouts of America Teton County |
320 | 2 | 0 | |
|
State Line Station Beulah · Crook County |
305 | 1 | 0 | |
|
Targhee Nf-Reunion Flat Campground Teton County |
300 | 2 | 0 | |
|
WY Trans Dept Waltman RA Powder River · Natrona County |
300 | 1 | 0 | |
|
Alpine 4-H Camp Alpine · Lincoln County |
250 | 1 | 0 | |
|
Wrangler Estates Gillette · Campbell County |
250 | 3 | 0 | |
|
Darby Girls Camp Teton County |
225 | 1 | 0 | |
|
Aladdin, Town of Crook County |
211 | 3 | 1 | |
|
Akal Travel Center Laramie · Albany County |
202 | 2 | 1 | |
|
B&a Marina Glendo · Platte County |
200 | 2 | 0 | |
|
Medicine Waters Village Saratoga · Carbon County |
200 | 4 | 1 | |
|
North Alpine I&s District Alpine · Lincoln County |
200 | 9 | 0 | |
|
Targhee Nf-Alpine CG Alpine · Lincoln County |
200 | 1 | 0 | |
|
Albin, Town of Albin · Laramie County |
181 | 9 | 5 | |
|
Red Vista & Ten Sleep Brewery WS Ten Sleep · Washakie County |
173 | 1 | 0 | |
|
Lex Mobile Home Park Gillette · Campbell County |
172 | 1 | 0 | |
|
Fireside Resort Incorporated Teton Village · Teton County |
170 | 2 | 1 |
About this data
A system is counted once if any of its violations in the past three years involved Revised Total Coliform Rule (RTCR), including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not Revised Total Coliform Rule (RTCR) alone.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Wyoming records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet.