All water systems in Wyoming
773 systems
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
The Station Boulder · Sublette County |
125 | 2 | 0 | |
|
Crooked Creek Guest Ranch Dubois · Fremont County |
123 | 3 | 0 | |
|
Eight Mile Subdivision Gillette · Campbell County |
120 | 0 | 0 | |
|
Fish Creek Center Wilson · Teton County |
120 | 0 | 0 | |
|
Gtnp-Jenny Lake Moose · Teton County |
120 | 0 | 0 | |
|
Gtnp-Leeks Marina Moose · Teton County |
120 | 0 | 0 | |
|
Mhvc Sage CG Afton · Fremont County |
120 | 0 | 0 | |
|
Mile-Hi I&s District Natrona County |
120 | 0 | 0 | |
|
Section 4 Water System Incorporated Gillette · Campbell County |
120 | 0 | 0 | |
|
Shell Town Water Improvement District Shell · Big Horn County |
120 | 1 | 1 | |
|
Shoshone Nf-Fox Creek CG Cody · Park County |
120 | 1 | 0 | |
|
Targhee Towne Water District Alta · Teton County |
120 | 0 | 0 | |
|
Vista West Improvement & Serv District Sundance · Crook County |
120 | 0 | 0 | |
|
Clearmont, Town of Clearmont · Sheridan County |
116 | 0 | 0 | |
|
Half Moon Lake Lodge Pinedale · Sublette County |
115 | 0 | 0 | |
|
Medicine Lodge ST Hist Site Hyattville · Big Horn County |
115 | 0 | 0 | |
|
Dixon, Town of Dixon · Carbon County |
114 | 1 | 0 | |
|
Crowheart Store County |
112 | 1 | 0 | |
|
Curt Gowdy Sp-Conc, TW & Sherman Hls CG Cheyenne · Laramie County |
112 | 0 | 0 | |
|
Desert Trails MHP Green River · Sweetwater County |
112 | 2 | 0 | |
|
Lake Stop LLC Buffalo · Johnson County |
112 | 1 | 0 | |
|
Little Bear Inn Cheyenne · Laramie County |
112 | 1 | 0 | |
|
Sleeping Giant Ski Area Cody · Park County |
112 | 1 | 0 | |
|
Manderson, Town of Manderson · Big Horn County |
110 | 2 | 0 | |
|
Mobile Corrals MHP Rock Springs · Sweetwater County |
110 | 0 | 0 | |
|
Red Lane Domestic Water, Inc. Thermopolis · Hot Springs County |
110 | 6 | 2 | |
|
Sand Creek Trading Post Beulah · Crook County |
110 | 3 | 0 | |
|
Tractor Supply Company-Cheyenne Cheyenne · Laramie County |
110 | 0 | 0 | |
|
W Bar K Mobile Home Park Rock Springs · Sweetwater County |
110 | 0 | 0 | |
|
White Pine Resort Pinedale · Sublette County |
110 | 3 | 1 | |
|
Hide-A-Way Mobile Village Cheyenne · Laramie County |
107 | 1 | 1 | |
|
Camp Wyoba and Lions Club Casper · Natrona County |
105 | 3 | 1 | |
|
Coal Creek Mine-Thunder Basin Coal CO Wright · Campbell County |
105 | 0 | 0 | |
|
Lost Creek Ranch Moose · Teton County |
105 | 0 | 0 | |
|
WY Dot-Shirley Rim Rest Area Casper · Carbon County |
105 | 1 | 0 | |
|
Big Horn Basin Boat Club Powell · Park County |
104 | 0 | 0 | |
|
Buckhorn Bar and Grill Newcastle · Weston County |
104 | 3 | 0 | |
|
Wind River View Campground Boulder · Sublette County |
104 | 3 | 0 | |
|
Ynp-Lamar Ranger Station Yellowstone Np · Teton County |
104 | 0 | 0 | |
|
Miners Grubstake, LLC Atlantic City · Fremont County |
103 | 1 | 0 | |
|
Wagon Box Inn Story · Sheridan County |
103 | 2 | 0 | |
|
Turpin Meadow Ranch Moran Jct · Teton County |
102 | 0 | 0 | |
|
A & J Mobile Home Park Riverton · Fremont County |
100 | 3 | 0 | |
|
Arrowhead Wyoming LLC Dayton · Sheridan County |
100 | 3 | 1 | |
|
Bhnf-Boulder Park CG Sheridan · Big Horn County |
100 | 1 | 0 | |
|
Bhnf-Sitting Bull CG Ten Sleep · Big Horn County |
100 | 1 | 0 | |
|
Btnf-Granite Creek CG Jackson · Teton County |
100 | 1 | 0 | |
|
Camp Grace Wheatland · Albany County |
100 | 0 | 0 | |
|
Dillman Estates Torrington · Goshen County |
100 | 0 | 0 | |
|
Glendo Lakeside RV Park Glendo · Platte County |
100 | 0 | 0 |
About this data
Rules violated counts the rules a system was in violation of in the past three years, including monitoring and reporting lapses; one rule can carry several violations. Unresolved is the number of those rules still in violation at EPA's latest data refresh.
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. Retrieved from ECHO on Oct 11, 2026.