Johnston County, North Carolina — public water systems

54 active public water systems serve Johnston County, reporting 204.7K people served.

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

Active systems

Population served

204.7K

Community systems

Groundwater share

59.3%

Water systems in Johnston County

Active public water systems in Johnston County, North Carolina
#	Water system	County	Population served	Type	Source
1	Johnston Co-West	Johnston	92,365	Community	Surface water
2	Clayton, Town of	Johnston	29,689	Community	Purchased surface water
3	Johnston Co-East	Johnston	22,967	Community	Surface water
4	Smithfield, Town of	Johnston	12,900	Community	Surface water
5	Flowers Plantation	Johnston	11,643	Community	Purchased surface water
6	Selma, Town of	Johnston	6,190	Community	Groundwater
7	Benson, Town of	Johnston	4,802	Community	Purchased surface water
8	Town of Clayton - North	Johnston	4,523	Community	Purchased surface water
9	Pine Level, Town of	Johnston	2,413	Community	Groundwater
10	Four Oaks, Town of	Johnston	2,302	Community	Purchased surface water
11	Kenly, Town of	Johnston	2,301	Community	Purchased surface water
12	Princeton, Town of	Johnston	1,653	Community	Purchased surface water
13	Winston Pointe S/D	Johnston	1,326	Community	Purchased surface water
14	Smithfield South Water Dist	Johnston	803	Community	Purchased surface water
15	Buffalo Creek S/D	Johnston	721	Community	Groundwater
16	Southhills Southwoods Sd	Johnston	716	Community	Groundwater
17	Selma, Town of (County Line)	Johnston	642	Community	Purchased surface water
18	Riverwood S/D	Johnston	553	Community	Groundwater
19	White Oak Plantation	Johnston	521	Community	Purchased surface water
20	Creekstone S/D	Johnston	505	Community	Groundwater
21	Micro, Town of	Johnston	470	Community	Groundwater
22	Willowbrook Development	Johnston	432	Community	Purchased surface water
23	Creekside Place S/D	Johnston	361	Community	Purchased surface water
24	South Plantation S/D	Johnston	357	Community	Purchased surface water
25	Ole Mill Stream S/D	Johnston	325	Community	Groundwater
26	Stephanie Woods S/D	Johnston	245	Community	Groundwater
27	Pine Level, Town of (Firetower)	Johnston	238	Community	Purchased surface water
28	Winston Plantation	Johnston	229	Community	Purchased surface water
29	Tucker Lake	Johnston	200	Transient non-community	Groundwater
30	Neuse Colony S/D Section B	Johnston	190	Community	Purchased surface water
31	Dutchess Downs Mh S/D	Johnston	185	Community	Groundwater
32	Southgate S/D	Johnston	160	Community	Purchased surface water
33	Country Hills S/D	Johnston	152	Community	Groundwater
34	Tippetts Chapel Fwb Church	Johnston	130	Transient non-community	Groundwater
35	Southfort S/D	Johnston	125	Community	Groundwater
36	Deerfield S/D	Johnston	120	Community	Groundwater
37	Garner Estates Mh S/D	Johnston	114	Community	Groundwater
38	Heather Downs Mh S/D	Johnston	112	Community	Groundwater
39	Micro, Town of (County Line)	Johnston	107	Community	Purchased surface water
40	Cleveland MHP	Johnston	107	Community	Groundwater
41	Smithfield Moose Lodge	Johnston	100	Transient non-community	Groundwater
42	Shadow Lakes S/D	Johnston	99	Community	Groundwater
43	Albany Acres S/D	Johnston	81	Community	Groundwater
44	Stoneybrook Estates S/D	Johnston	80	Community	Groundwater
45	Adams MHP	Johnston	80	Community	Groundwater
46	Neighbor`S Walk S/D	Johnston	60	Community	Groundwater
47	Gibson Glen S/D	Johnston	60	Community	Groundwater
48	Paceville S/D	Johnston	58	Community	Groundwater
49	Clemmons State Forest	Johnston	50	Transient non-community	Groundwater
50	Heatherstone S/D	Johnston	48	Community	Groundwater