Franklin County, Pennsylvania — public water systems

116 active public water systems serve Franklin County, reporting 135.8K people served.

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

Active systems

116

Population served

135.8K

Community systems

Groundwater share

92.2%

Water systems in Franklin County

Active public water systems in Franklin County, Pennsylvania
#	Water system	County	Population served	Type	Source
1	Chambersburg Boro Water Sys	Franklin	31,048	Community	Surface water
2	Guilford Water Auth	Franklin	28,135	Community	Groundwater
3	Boro of Waynesboro	Franklin	13,200	Community	Surface water
4	Bear Valley Joint Auth	Franklin	12,589	Community	Surface water
5	Washington Twp Muni Auth	Franklin	6,134	Community	Groundwater
6	Greencastle Area Water Auth	Franklin	5,500	Community	Surface water
7	Franklin System York Water	Franklin	4,400	Community	Surface water
8	Caledonia St Park	Franklin	2,600	Non-transient non-community	Groundwater
9	Mercersburg Muni Water Auth	Franklin	2,350	Community	Surface water
10	Grove Worldwide Us LLC	Franklin	1,800	Non-transient non-community	Groundwater
11	Mont Alto Municipal Authority	Franklin	1,705	Community	Groundwater
12	James Buchanan Middle/High Sch	Franklin	1,450	Non-transient non-community	Groundwater
13	Pa State Univ Mont Alto Campus	Franklin	1,300	Non-transient non-community	Groundwater
14	Zullinger Water System Wtma	Franklin	1,080	Community	Purchased surface water
15	Saunderosa Park	Franklin	999	Transient non-community	Groundwater
16	Antrim Township Municipal Auth	Franklin	975	Community	Groundwater under influence of surface water
17	South Mountain Restoration Ctr	Franklin	950	Community	Surface water
18	Whitetail Ski Resort	Franklin	912	Community	Groundwater
19	Five Forks Brethren in Christ	Franklin	900	Transient non-community	Groundwater
20	Lakeview Motel & Restaurant	Franklin	800	Transient non-community	Groundwater
21	Mowrey Elem Sch	Franklin	695	Non-transient non-community	Groundwater
22	Fannett Metal Sch Dist	Franklin	600	Non-transient non-community	Groundwater
23	Antrim Bic Church	Franklin	550	Transient non-community	Groundwater
24	Quincy Twp Water System	Franklin	530	Community	Groundwater
25	Rutters Farm Store 78	Franklin	500	Transient non-community	Groundwater
26	Edenville Water Assn Inc.	Franklin	491	Community	Groundwater
27	Quincy Mini Mart	Franklin	450	Transient non-community	Groundwater
28	Quincy Village System	Franklin	450	Community	Groundwater
29	Luigis Pizza Factory	Franklin	400	Transient non-community	Groundwater
30	Solomons Evangelical Luth Ch	Franklin	400	Transient non-community	Groundwater
31	Klines Grocery	Franklin	400	Transient non-community	Groundwater
32	Ishas Mart 2	Franklin	400	Transient non-community	Groundwater
33	Kauffman Community Center	Franklin	350	Transient non-community	Groundwater
34	Mount Rock Manor	Franklin	350	Community	Groundwater
35	Montgomery Elem School	Franklin	300	Non-transient non-community	Groundwater
36	Pauls Country Mkt	Franklin	300	Transient non-community	Groundwater
37	Dry Run Water Assn	Franklin	278	Community	Groundwater
38	Mercersburg Sportsman Assn	Franklin	275	Transient non-community	Groundwater
39	Camp Tohiglo	Franklin	260	Transient non-community	Groundwater
40	Mrs Gibble Restaurant	Franklin	240	Transient non-community	Groundwater
41	Hollowell Brethren in Christ	Franklin	230	Transient non-community	Groundwater
42	Lenwood Park	Franklin	230	Community	Groundwater
43	Greencastle Ch of God	Franklin	220	Transient non-community	Groundwater
44	Suez Water Kensington System	Franklin	204	Community	Purchased surface water
45	Rhodes Grove Camp	Franklin	200	Transient non-community	Groundwater
46	South Mountain Fish & Game	Franklin	200	Transient non-community	Groundwater
47	South Mountain Bible Ch	Franklin	200	Transient non-community	Groundwater
48	Spring Run Pit Stop	Franklin	200	Transient non-community	Groundwater
49	Cedar Grove Mennonite Church	Franklin	200	Transient non-community	Groundwater
50	Quincy Gym	Franklin	200	Transient non-community	Groundwater