Lawrence County, South Dakota — public water systems

73 active public water systems serve Lawrence County, reporting 25.6K people served.

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

Active systems

Population served

25.6K

Community systems

Groundwater share

89%

Water systems in Lawrence County

Active public water systems in Lawrence County, South Dakota
#	Water system	County	Population served	Type	Source
1	Spearfish	Lawrence	12,193	Community	Groundwater
2	Lead	Lawrence	2,982	Community	Purchased surface water
3	Deadwood	Lawrence	1,156	Community	Purchased surface water
4	Whitewood	Lawrence	879	Community	Groundwater
5	Guadalajara Mexican Restaurant	Lawrence	630	Transient non-community	Groundwater
6	Spearfish Canyon Resort LLC	Lawrence	492	Transient non-community	Groundwater
7	Terry Trojan Water District	Lawrence	400	Community	Groundwater
8	Mystic Hills Hideaway North	Lawrence	369	Transient non-community	Groundwater
9	Mountain Plains 2 Homeowners Assoc	Lawrence	268	Community	Groundwater
10	Spearfish Koa	Lawrence	256	Transient non-community	Groundwater
11	Saint Onge Sewer & Water Co	Lawrence	255	Community	Groundwater
12	Wharf Resources Water System	Lawrence	250	Non-transient non-community	Groundwater
13	Sugar Shack	Lawrence	240	Transient non-community	Groundwater
14	Powder House Pass	Lawrence	238	Transient non-community	Surface water
15	Boxelder Civilian Conservation Ctr	Lawrence	220	Non-transient non-community	Groundwater
16	Boulder Park Water Users Association	Lawrence	200	Community	Groundwater
17	Rendezvous Ranch	Lawrence	195	Community	Groundwater
18	Lantern Estates	Lawrence	192	Community	Groundwater
19	Walnut Park	Lawrence	180	Community	Groundwater
20	Apple Springs Subdivision	Lawrence	180	Community	Groundwater
21	Paradise Water Company LLC	Lawrence	178	Community	Purchased surface water
22	Steel Wheel Campground and Convenien	Lawrence	166	Transient non-community	Groundwater
23	Spearfish Valley Mobile Estates	Lawrence	163	Community	Groundwater
24	Whitewood Forest Acres	Lawrence	160	Community	Purchased groundwater
25	Cheyenne Crossing Store	Lawrence	150	Transient non-community	Groundwater
26	Black Hills Chairlift	Lawrence	150	Transient non-community	Groundwater
27	Deer Mountain Sanitary District	Lawrence	125	Community	Surface water
28	Usfs-Bhnf Roubaix Lake Cg	Lawrence	124	Transient non-community	Groundwater
29	Wild Bill'S Campground	Lawrence	120	Transient non-community	Groundwater
30	Spearfish Forest Products	Lawrence	120	Non-transient non-community	Groundwater
31	Fish-N-Fry Campground	Lawrence	113	Transient non-community	Groundwater
32	Ken'S Trailer Court	Lawrence	110	Community	Groundwater
33	Westfield Addition	Lawrence	104	Community	Groundwater
34	Westview Homeowners Association	Lawrence	103	Community	Groundwater
35	Lewie'S Burgers and Brews	Lawrence	100	Transient non-community	Groundwater
36	Boulder Canyon Country Club	Lawrence	100	Transient non-community	Groundwater
37	D & E Water Company	Lawrence	100	Community	Groundwater
38	Spearfish Meadows	Lawrence	87	Community	Groundwater
39	Oak Mountain Country Estates	Lawrence	85	Community	Groundwater
40	Lourie Lane Homeowners Assoc	Lawrence	75	Community	Groundwater
41	Custer Crossing Cg and Cabins	Lawrence	75	Transient non-community	Groundwater
42	Wild Turkey Estates Ii	Lawrence	70	Community	Groundwater
43	Nemo Guest Ranch	Lawrence	65	Transient non-community	Groundwater
44	Shirt Tail Gulch Development	Lawrence	65	Community	Groundwater
45	Mystic Hills Hideaway South	Lawrence	63	Transient non-community	Groundwater
46	Meadow Crest Sanitary District	Lawrence	63	Community	Groundwater
47	Tomahawk Country Club-Clubhouse	Lawrence	60	Transient non-community	Groundwater
48	Deberg Well Users Association	Lawrence	54	Community	Groundwater
49	Hidden Valley Campground	Lawrence	50	Transient non-community	Groundwater
50	Chris' Campground	Lawrence	50	Transient non-community	Groundwater