Fremont County, Wyoming — public water systems

60 active public water systems serve Fremont County, reporting 26.4K people served.

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

Active systems

Population served

26.4K

Community systems

Groundwater share

91.7%

Water systems in Fremont County

Active public water systems in Fremont County, Wyoming
#	Water system	County	Population served	Type	Source
1	Riverton, City of	Fremont	10,330	Community	Surface water
2	Lander, City of	Fremont	7,615	Community	Surface water
3	Dubois, Town of	Fremont	1,822	Community	Groundwater
4	Shoshoni, Town of	Fremont	515	Community	Groundwater
5	Wy Dot-Sweetwater Rest Area	Fremont	500	Transient non-community	Groundwater
6	Hudson, Town of	Fremont	460	Community	Groundwater under influence of surface water
7	Wydot-South Pass Rest Area	Fremont	401	Transient non-community	Groundwater
8	Gardens North Homeowners Association	Fremont	300	Community	Groundwater
9	Teton Valley Ranch Camp-Dubois	Fremont	250	Transient non-community	Groundwater
10	Pavillion, Town of	Fremont	230	Community	Groundwater
11	Sunridge Estates	Fremont	220	Community	Groundwater
12	B&K Mobile Home Park	Fremont	200	Community	Groundwater
13	Mhvc Sixth Crossing Ranch Rv Park	Fremont	200	Transient non-community	Groundwater
14	Jade Mhc	Fremont	200	Community	Groundwater
15	Mountain View Acres	Fremont	165	Community	Groundwater
16	First Fike Subdivision	Fremont	150	Community	Groundwater
17	Line Shack Lodge	Fremont	150	Transient non-community	Groundwater
18	South Pass City Historical Site	Fremont	131	Transient non-community	Groundwater
19	Crooked Creek Guest Ranch	Fremont	123	Transient non-community	Groundwater
20	Mhvc Sage Cg	Fremont	120	Transient non-community	Groundwater
21	Miners Grubstake, LLC	Fremont	103	Transient non-community	Groundwater
22	Spence Foundation - Thunderhead Ranch	Fremont	102	Transient non-community	Groundwater
23	Raintree Estates	Fremont	100	Community	Groundwater
24	Rock Creek Hollow Lds Church Cg	Fremont	100	Transient non-community	Groundwater
25	A & J Mobile Home Park	Fremont	100	Community	Groundwater
26	Shoshone Nf-Falls Cg	Fremont	100	Transient non-community	Purchased groundwater
27	Longhorn Rv and Motel	Fremont	96	Transient non-community	Groundwater
28	Whiskey Mountain Conservation Camp	Fremont	96	Transient non-community	Groundwater
29	Boysen St Pk Hdqrts	Fremont	90	Transient non-community	Surface water
30	Alpine Science Institute	Fremont	85	Non-transient non-community	Groundwater
31	Twin Pines Rv Park	Fremont	77	Transient non-community	Groundwater
32	C M Ranch LLC	Fremont	75	Transient non-community	Groundwater
33	Fremont County Youth Camp	Fremont	70	Transient non-community	Groundwater
34	Warm Springs Water District	Fremont	68	Community	Groundwater
35	Brooks Lake Lodge	Fremont	67	Transient non-community	Surface water
36	Triangle C Ranch	Fremont	67	Transient non-community	Groundwater
37	Redd Fox Park Hoa	Fremont	65	Community	Purchased surface water
38	Farview Water and Sewer District	Fremont	60	Community	Groundwater
39	Atlantic City Mercantile	Fremont	52	Transient non-community	Groundwater under influence of surface water
40	Lava Mountain Lodge	Fremont	52	Transient non-community	Groundwater
41	Lazy L and B Ranch	Fremont	50	Transient non-community	Groundwater
42	Bitterroot Ranch	Fremont	47	Transient non-community	Groundwater
43	Lost Cabin Gas Plant (Contango Res, LLC)	Fremont	45	Non-transient non-community	Groundwater
44	Juniper Park Water Association	Fremont	42	Community	Groundwater
45	Paintbrush Motel	Fremont	40	Transient non-community	Groundwater
46	Jeffrey City Water & Sewer District	Fremont	40	Community	Groundwater
47	Absaroka Ranch	Fremont	35	Transient non-community	Groundwater
48	Ring Lake Ranch	Fremont	34	Transient non-community	Groundwater
49	Second Fike Subdivision	Fremont	34	Community	Groundwater
50	Kinnear Store	Fremont	31	Transient non-community	Groundwater