Armstrong County, Pennsylvania — public water systems

42 active public water systems serve Armstrong County, reporting 47.5K people served.

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

Active systems

Population served

47.5K

Community systems

Groundwater share

76.2%

Water systems in Armstrong County

Active public water systems in Armstrong County, Pennsylvania
#	Water system	County	Population served	Type	Source
1	Kittanning Suburb Jt Water Aut	Armstrong	8,000	Community	Surface water
2	Manor Twp Jt Muni Auth	Armstrong	6,744	Community	Groundwater
3	Buffalo Twp Mun Auth Freeport	Armstrong	5,849	Community	Surface water
4	Pa American Water Kittanning	Armstrong	4,617	Community	Surface water
5	Ford City Muni Water Works	Armstrong	2,991	Community	Groundwater
6	Parks Twp Muni Auth	Armstrong	2,049	Community	Purchased surface water
7	West Kittanning Muni Auth	Armstrong	2,000	Community	Purchased surface water
8	E Armstrong Cnty Muni Auth	Armstrong	1,875	Community	Groundwater
9	Gilpin Twp Muni Auth	Armstrong	1,680	Community	Purchased surface water
10	Worthington West Franklin Jma	Armstrong	1,500	Community	Purchased surface water
11	South Buffalo Twp Muni Auth	Armstrong	1,230	Community	Purchased surface water
12	Cowanshan Yatesboro Numine Sys	Armstrong	1,200	Community	Groundwater
13	Rural Valley Water Works	Armstrong	1,000	Community	Groundwater
14	Mahoning Twp Muni Auth	Armstrong	900	Community	Purchased surface water
15	Parker Area Water Auth	Armstrong	900	Community	Surface water
16	Kittanning Plumcreek Watr Auth	Armstrong	600	Community	Purchased groundwater
17	Dayton Muni Water Dept	Armstrong	600	Community	Groundwater
18	Rayburn Twp Joint Muni Auth	Armstrong	460	Community	Purchased groundwater
19	Templeton Water Co	Armstrong	451	Community	Groundwater
20	Sugar Creek Resthome	Armstrong	323	Community	Groundwater
21	Cowanshannock M A Sagamore Sys	Armstrong	300	Community	Groundwater
22	Skymeadow Program Ctr	Armstrong	200	Transient non-community	Groundwater
23	Shannock Valley Vfw	Armstrong	200	Transient non-community	Groundwater
24	Bear Ridge Campground	Armstrong	200	Transient non-community	Groundwater
25	Wheel in Campground	Armstrong	200	Transient non-community	Groundwater
26	Widnoon Corner Store	Armstrong	150	Transient non-community	Groundwater
27	Silver Canoe Campground	Armstrong	150	Transient non-community	Groundwater
28	Birdsfoot Golf Course	Armstrong	100	Transient non-community	Groundwater
29	381 Barn	Armstrong	100	Transient non-community	Groundwater
30	Novotnys Country Baked Pizza	Armstrong	100	Transient non-community	Groundwater
31	Purples Saloon	Armstrong	100	Transient non-community	Groundwater
32	Dob-Bros Country Kitchen	Armstrong	100	Transient non-community	Groundwater
33	Foxs Pizza	Armstrong	100	Transient non-community	Groundwater
34	Putneyville Store	Armstrong	100	Transient non-community	Groundwater
35	Widnoon Soft Serve	Armstrong	100	Transient non-community	Groundwater
36	Cowanshannock Ma-Margaret Sys	Armstrong	95	Community	Groundwater
37	Black Bull Saloon	Armstrong	85	Transient non-community	Groundwater
38	Mahoning Creek Lake	Armstrong	75	Transient non-community	Groundwater
39	Milton Loop Campground	Armstrong	50	Transient non-community	Groundwater
40	Burrell Twp Vol Fire Dept	Armstrong	25	Transient non-community	Groundwater
41	Coal Coffee	Armstrong	25	Transient non-community	Groundwater
42	Snax Food N Gas Dayton	Armstrong	25	Transient non-community	Groundwater