Pierce County, Washington — public water systems

359 active public water systems serve Pierce County, reporting 1.1M people served.

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

Active systems

359

Population served

1.1M

Community systems

227

Groundwater share

92.8%

Water systems in Pierce County

Active public water systems in Pierce County, Washington
#	Water system	County	Population served	Type	Source
1	Tacoma Water Division City of	Pierce	446,170	Community	Surface water
2	Southwood	Pierce	64,155	Community	Purchased surface water
3	Jblm Lewis	Pierce	62,197	Community	Groundwater
4	Lakewood Water District	Pierce	62,089	Community	Groundwater
5	Bonney Lake Water Department City	Pierce	43,371	Community	Purchased surface water
6	Puyallup City of	Pierce	39,100	Community	Purchased surface water
7	Firgrove Mutual Inc.	Pierce	36,168	Community	Purchased surface water
8	Spanaway Water Company	Pierce	31,908	Community	Groundwater
9	Parkland Light & Water Company	Pierce	29,595	Community	Groundwater
10	Fife Dept of Public Works	Pierce	29,091	Community	Purchased surface water
11	Gig Harbor Water Dept	Pierce	16,510	Community	Groundwater
12	Sumner City of	Pierce	16,438	Community	Groundwater
13	Summit Water & Supply Co	Pierce	16,109	Community	Groundwater
14	Fruitland Mutual Water Company	Pierce	15,313	Community	Groundwater
15	Dupont Water System City of	Pierce	13,141	Community	Groundwater
16	Jblm Mcchord Field	Pierce	13,115	Community	Groundwater
17	Orting City of	Pierce	10,332	Community	Groundwater
18	Cougar Rock Campground	Pierce	9,722	Transient non-community	Surface water
19	Mountain View-Edgewood Water Co	Pierce	9,680	Community	Groundwater
20	Steilacoom Town of	Pierce	8,545	Community	Groundwater
21	Milton City of	Pierce	8,078	Community	Groundwater
22	Fircrest City of	Pierce	7,927	Community	Groundwater
23	Buckley Water	Pierce	7,411	Community	Purchased surface water
24	Peacock Hill	Pierce	7,401	Community	Groundwater
25	Artondale	Pierce	5,828	Community	Groundwater
26	Point Evans	Pierce	5,211	Community	Groundwater
27	Minterbrook	Pierce	5,083	Community	Groundwater
28	Longmire	Pierce	4,871	Non-transient non-community	Surface water
29	Paradise	Pierce	4,165	Transient non-community	Surface water
30	Crystal Mountain Inc.	Pierce	4,154	Community	Surface water
31	Eatonville Water Dept	Pierce	3,945	Community	Surface water
32	Fox Island Mutual Water Assoc	Pierce	3,255	Community	Groundwater
33	Strohs Water Company Inc.	Pierce	3,192	Community	Groundwater
34	Box Canyon	Pierce	3,099	Transient non-community	Surface water
35	Sunrise No 12	Pierce	3,018	Transient non-community	Surface water
36	Cedar Crest	Pierce	2,954	Community	Groundwater
37	Western State Hospital	Pierce	2,857	Community	Groundwater
38	Olympic Mall	Pierce	2,681	Community	Groundwater
39	White River Entrance	Pierce	2,277	Transient non-community	Surface water
40	East Entrance Mt Rainier	Pierce	2,263	Transient non-community	Surface water
41	White River Campground #11	Pierce	2,263	Transient non-community	Surface water
42	Valley Water System	Pierce	2,259	Community	Purchased surface water
43	Ohanapecosh	Pierce	2,092	Transient non-community	Surface water
44	View Royal Water System	Pierce	2,069	Community	Groundwater
45	Purdy Campus System	Pierce	2,000	Non-transient non-community	Groundwater
46	Palmer Lake	Pierce	1,924	Community	Groundwater
47	Canterwood Water System	Pierce	1,805	Community	Groundwater
48	Lake Minterwood	Pierce	1,539	Community	Groundwater
49	Tapps Island Water System	Pierce	1,500	Community	Groundwater
50	Graham Hill Mutual Water Co Inc.	Pierce	1,474	Community	Groundwater