Sweetwater County, Wyoming — public water systems

45 active public water systems serve Sweetwater County, reporting 53.2K people served.

Dataset updated July 2026 . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

Population served

53.2K

Community systems

Groundwater share

33.3%

Water systems in Sweetwater County

Active public water systems in Sweetwater County, Wyoming
#	Water system	County	Population served	Type	Source
1	Rock Springs, City of	Sweetwater	24,000	Community	Purchased surface water
2	Green River, City of	Sweetwater	10,500	Community	Purchased surface water
3	White Mountain W&S District	Sweetwater	3,000	Community	Purchased surface water
4	Little America Hotels & Resorts, Inc.- Wy	Sweetwater	2,004	Community	Surface water
5	Pioneer Mobile Home Park	Sweetwater	1,000	Community	Purchased surface water
6	We Soda Alkali, LLC	Sweetwater	950	Non-transient non-community	Surface water
7	Clearview I&S District	Sweetwater	930	Community	Purchased surface water
8	Wy Dot-Bitter Creek East Ra	Sweetwater	843	Transient non-community	Groundwater
9	Wy Dot-Bitter Creek West Ra	Sweetwater	801	Transient non-community	Groundwater
10	Tata Chemicals Soda Ash Partners, LLC	Sweetwater	701	Non-transient non-community	Surface water
11	Skyline Village Mobile Home Pk	Sweetwater	700	Community	Purchased surface water
12	Jamestown-Rio Vista W&S District	Sweetwater	560	Community	Purchased surface water
13	Farson Eden School	Sweetwater	530	Community	Groundwater
14	Wamsutter, Town of	Sweetwater	500	Community	Groundwater
15	Sisecam Wyoming LLC	Sweetwater	450	Non-transient non-community	Surface water
16	Western Hills MHP	Sweetwater	450	Community	Purchased surface water
17	Jim Bridger Power Plant	Sweetwater	450	Non-transient non-community	Surface water
18	American Soda LLC	Sweetwater	450	Non-transient non-community	Surface water
19	Rock Springs/Green River Koa	Sweetwater	415	Transient non-community	Purchased surface water
20	Lewis Mobile Home Park	Sweetwater	370	Community	Purchased surface water
21	Superior, Town of	Sweetwater	336	Community	Groundwater
22	Horizon MHP	Sweetwater	330	Community	Purchased surface water
23	Ten Mile Water and Sewer District	Sweetwater	305	Community	Purchased surface water
24	Simplot Phosphates, LLC	Sweetwater	300	Non-transient non-community	Purchased surface water
25	Mobile Corrals/Stalls Court	Sweetwater	300	Community	Purchased surface water
26	White Mountain Mobile Home Park	Sweetwater	270	Community	Purchased surface water
27	Bridger Coal Company-Admin	Sweetwater	191	Non-transient non-community	Purchased surface water
28	Sweetwater County Airport	Sweetwater	189	Non-transient non-community	Purchased surface water
29	Black Butte Coal Company	Sweetwater	150	Non-transient non-community	Groundwater
30	Garcia Mobile Home Park	Sweetwater	148	Community	Purchased surface water
31	Granger, Town of	Sweetwater	139	Community	Surface water
32	Desert Trails MHP	Sweetwater	112	Community	Purchased surface water
33	W Bar K Mobile Home Park	Sweetwater	110	Community	Purchased surface water
34	Rolling Green Country Club	Sweetwater	100	Transient non-community	Groundwater under influence of surface water
35	We Soda Alkali, Lp-Granger Facility	Sweetwater	95	Non-transient non-community	Surface water
36	Point of Rocks Mercantile	Sweetwater	78	Community	Groundwater
37	Bairoil, Town of	Sweetwater	71	Community	Groundwater
38	Eaton Investments	Sweetwater	65	Transient non-community	Groundwater
39	Emerald River Estates	Sweetwater	62	Community	Purchased surface water
40	Ur-Energy USA, Lost Creek Isr	Sweetwater	60	Non-transient non-community	Groundwater
41	Mitch`S Cafe & Sitzman'S Motel	Sweetwater	54	Transient non-community	Groundwater
42	Eden Saloon	Sweetwater	29	Transient non-community	Groundwater
43	Rock Springs/Green River Jpb	Sweetwater	25	Community	Surface water
44	Farson Mobile Home Court	Sweetwater	20	Community	Groundwater
45	Blm-Fontenelle Creek Cg	Sweetwater	10	Transient non-community	Groundwater