We found 196 public water systems in Armstrong county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Kittanning Suburb Jt Water Aut | County of Armstrong | 8,000 | 15 | 71 |
| Manor Twp Jt Muni Auth | County of Armstrong | 6,744 | 0 | 65 |
| Buffalo Twp Mun Auth Freeport | County of Armstrong | 5,849 | 31 | 145 |
| Pa-american Water Co-kittannig | County of Armstrong | 5,000 | 0 | 2 |
| Cumberland Farms Inc. | Pennsylvania | 3,500 | 0 | 0 |
| Kiskiminetas Twp Muni Auth | County of Armstrong | 3,100 | 0 | 0 |
| Ford City Muni Water Works | County of Armstrong | 2,991 | 0 | 9 |
| Kiski Twp Mun Auth | County of Armstrong | 2,500 | 0 | 0 |
| Parks Twp Muni Auth | County of Armstrong | 2,114 | 0 | 14 |
| Gilpin Twp Muni Auth | County of Armstrong | 2,050 | 0 | 23 |
| West Kittanning Muni Auth | County of Armstrong | 2,000 | 0 | 24 |
| E Armstrong Cnty Muni Auth | County of Armstrong | 1,875 | 0 | 24 |
| WORTHINGTON WEST FRANKLIN JMA | County of Armstrong | 1,500 | 0 | 49 |
| South Buffalo Twp Muni Auth | County of Armstrong | 1,214 | 0 | 69 |
| Cowanshan Yatesboro Numine Sys | County of Armstrong | 1,200 | 0 | 37 |
| Rural Valley Water Works | County of Armstrong | 1,000 | 0 | 56 |
| Parker Area Water Auth | County of Armstrong | 900 | 0 | 145 |
| Mahoning Twp Muni Auth | County of Armstrong | 900 | 0 | 64 |
| Cowanshannock-yatesboro System | Cowanshannock T | 700 | 0 | 0 |
| Bradys Bend Water & Sew Auth | County of Armstrong | 625 | 0 | 56 |
| Dayton Muni Water Dept | County of Armstrong | 583 | 0 | 45 |
| Manor Recreation Area | County of Armstrong | 500 | 0 | 0 |
| Templeton Water Co | County of Armstrong | 474 | 0 | 104 |
| Cadogan Water District | County of Armstrong | 420 | 0 | 0 |
| Sugar Creek Vfd | County of Armstrong | 400 | 0 | 5 |
| Kittanning Plumcreek Watr Auth | County of Armstrong | 400 | 0 | 6 |
| Keystone Coal-jane Cherry Run | County of Armstrong | 400 | 0 | 0 |
| Sugarcreek Elem Sch | County of Armstrong | 400 | 0 | 0 |
| Applewold Boro Water System | County of Armstrong | 385 | 0 | 0 |
| Creekside Mushrooms Ltd | County of Armstrong | 358 | 0 | 65 |
| Kittanning Twp Elem Sch | County of Armstrong | 350 | 0 | 0 |
| South Buffalo Elem School | County of Armstrong | 345 | 0 | 0 |
| Cowanshannock M A Sagamore Sys | County of Armstrong | 300 | 0 | 43 |
| WORTHINGTON JR SR HIGH SCHOOL | County of Armstrong | 300 | 0 | 0 |
| South Buffalo Twp Elem Sch | County of Armstrong | 300 | 0 | 0 |
| The Villa | County of Armstrong | 300 | 0 | 0 |
| Keystone Coal-jane #5 Shaft | County of Armstrong | 300 | 0 | 0 |
| Center Hill Church Of Brethern | County of Armstrong | 260 | 0 | 0 |
| Dob-bros Country Kitchen | County of Armstrong | 250 | 0 | 2 |
| Querio Mobile Home Park | County of Armstrong | 250 | 0 | 0 |
| Kiskiminetas Spring School | County of Armstrong | 250 | 0 | 0 |
| Myers Mobile Home Park | County of Armstrong | 250 | 0 | 0 |
| North Buffalo Twp Elem School | County of Armstrong | 250 | 0 | 0 |
| Penelec Keystone Sta | County of Armstrong | 225 | 0 | 0 |
| Cowanshannock-nu Mine System | Cowanshannock T | 210 | 0 | 0 |
| Bear Ridge Campground | County of Armstrong | 200 | 0 | 30 |
| Wheel In Campground | County of Armstrong | 200 | 0 | 4 |
| Lackeys Dairy Queen | County of Armstrong | 200 | 0 | 4 |
| Skymeadow Program Ctr | County of Armstrong | 200 | 0 | 4 |
| Shannock Valley Vfw | County of Armstrong | 200 | 0 | 9 |
| Bradys Bend Campground Assn | County of Armstrong | 200 | 0 | 0 |
| Nautical Mile Marina | County of Armstrong | 200 | 0 | 0 |
| The Willows | County of Armstrong | 200 | 0 | 0 |
| Cakes And Catering By Jackie | County of Armstrong | 200 | 0 | 0 |
| North Buffalo Twp Water Distct | County of Armstrong | 200 | 0 | 0 |
| Greendale Tavern | County of Armstrong | 200 | 0 | 0 |
| Bethel Elementary School | County of Armstrong | 200 | 0 | 0 |
| Sugarcreek Lake | County of Armstrong | 200 | 0 | 0 |
| Spaces Corner Elem School | County of Armstrong | 180 | 0 | 0 |
| Sugar Creek Resthome | County of Armstrong | 176 | 0 | 61 |
| Penndot-site 39 Primitive Rest | County of Armstrong | 175 | 0 | 0 |
| Bradys Bend Water Assn | East Brady | 160 | 0 | 0 |
| Myrts Route 66 Cafe | County of Armstrong | 150 | 0 | 5 |
| Pappys General Store | County of Armstrong | 150 | 0 | 8 |
| Milton Loop Campground | County of Armstrong | 150 | 0 | 27 |
| N Buffalo Grace Breth Church | County of Armstrong | 150 | 0 | 0 |
| Gene And Edna's Diner | County of Armstrong | 150 | 0 | 0 |
| Seminole Water Association | County of Armstrong | 140 | 0 | 0 |
| Whitesburg United Meth Church | County of Armstrong | 140 | 0 | 0 |
| Penndot - Satellite Main Fac | County of Armstrong | 135 | 0 | 0 |
| Co Gos | County of Armstrong | 125 | 0 | 0 |
| Madison Twp Elem School | County of Armstrong | 108 | 0 | 0 |
| Silver Canoe Campground | County of Armstrong | 100 | 0 | 0 |
| Widnoon Soft Serve | County of Armstrong | 100 | 0 | 0 |
| P & A Inn Inc | County of Armstrong | 100 | 0 | 0 |
| Novotnys Grocery | County of Armstrong | 100 | 0 | 0 |
| Birdsfoot Golf Course | County of Armstrong | 100 | 0 | 0 |
| Deertrack Golf Course | County of Armstrong | 100 | 0 | 0 |
| Foxs Pizza | County of Armstrong | 100 | 0 | 0 |
| The Corner Convenience Store | County of Armstrong | 100 | 0 | 0 |
| Nelsons Mini Mart | County of Armstrong | 100 | 0 | 0 |
| The Ranch | County of Armstrong | 100 | 0 | 0 |
| Belknap Livestock Auction | County of Armstrong | 100 | 0 | 0 |
| Putneyville Store | County of Armstrong | 100 | 0 | 0 |
| Cabin Greens Gc | County of Armstrong | 100 | 0 | 0 |
| Vics Frosty Mug | County of Armstrong | 100 | 0 | 0 |
| Springside Diner | County of Armstrong | 100 | 0 | 0 |
| United Presbyterian Church | County of Armstrong | 100 | 0 | 0 |
| Laube Hall | County of Armstrong | 100 | 0 | 0 |
| Plumcreek Ch Of The Brethren | County of Armstrong | 100 | 0 | 0 |
| Tony's Place | County of Armstrong | 100 | 0 | 0 |
| U Mart | County of Armstrong | 100 | 0 | 0 |
| Ciera Lounge | County of Armstrong | 100 | 0 | 0 |
| Stockdales Amish Restaurant | County of Armstrong | 100 | 0 | 0 |
| Black Bull Saloon | County of Armstrong | 100 | 0 | 0 |
| Super 66 Auction | County of Armstrong | 100 | 0 | 0 |
| Community Drive Inn | County of Armstrong | 100 | 0 | 0 |
| Apollo Elks Country Club | County of Armstrong | 100 | 0 | 0 |
| Nellies Mkt | County of Armstrong | 100 | 0 | 0 |
| St Peters Tavern | County of Armstrong | 100 | 0 | 0 |
| Kittanning Twp Vol Fire Dept | County of Armstrong | 100 | 0 | 0 |
| Davidsons Variety Cone | County of Armstrong | 100 | 0 | 0 |
| Final Score Sports Saloon | County of Armstrong | 100 | 0 | 0 |
| Chucks Discount | County of Armstrong | 100 | 0 | 0 |
| River Road Pizza | County of Armstrong | 100 | 0 | 0 |
| Dewey Trust Campsites | County of Armstrong | 100 | 0 | 0 |
| The Pizza Stop | County of Armstrong | 100 | 0 | 0 |
| ZOLTARS | County of Armstrong | 100 | 0 | 0 |
| Pappys Place | County of Armstrong | 100 | 0 | 0 |
| Sunset Grove | County of Armstrong | 100 | 0 | 0 |
| Rose Valley Family Rest | County of Armstrong | 100 | 0 | 0 |
| Dianes Food Service | County of Armstrong | 100 | 0 | 0 |
| Tatters Tavern | County of Armstrong | 100 | 0 | 0 |
| Audreys Place | County of Armstrong | 100 | 0 | 0 |
| J Ls Mini Service | County of Armstrong | 100 | 0 | 0 |
| The Wolves Den | County of Armstrong | 100 | 0 | 0 |
| Cowanshannock Ma-margaret Sys | County of Armstrong | 95 | 0 | 0 |
| Sherret Untd Methodist Church | County of Armstrong | 95 | 0 | 0 |
| Salem Baptist Church | County of Armstrong | 95 | 0 | 0 |
| Brownstown Co-op | County of Armstrong | 90 | 0 | 0 |
| Allegheny Power Armstrong Sta | County of Armstrong | 85 | 0 | 0 |
| First Church Of God | County of Armstrong | 80 | 0 | 0 |
| Smiths Boat Dock | County of Armstrong | 80 | 0 | 0 |
| Mahoning Creek Lake | County of Armstrong | 75 | 0 | 0 |
| Vics Frosty Mug | County of Armstrong | 75 | 0 | 0 |
| Belknap Livestock&equip Auc | County of Armstrong | 75 | 0 | 0 |
| Creek Bend Campground | County of Armstrong | 75 | 0 | 0 |
| Putneyville Methodist Church | County of Armstrong | 75 | 0 | 0 |
| Frosty Mug | County of Armstrong | 75 | 0 | 0 |
| Maranatha Youth Ranch | County of Armstrong | 70 | 0 | 0 |
| Keystone Mining-margaret #11 | County of Armstrong | 67 | 0 | 0 |
| Laurel Point Elem Sch | County of Armstrong | 63 | 0 | 0 |
| Circle G Mhp | County of Armstrong | 60 | 0 | 0 |
| Circle G Mhp | County of Armstrong | 60 | 0 | 0 |
| Mt Zion Methodist Church | County of Armstrong | 55 | 0 | 0 |
| Captain Charlies Marina | County of Armstrong | 55 | 0 | 0 |
| Mbc Auto Llc | County of Armstrong | 50 | 0 | 0 |
| Cowansville Area Health Ctr | County of Armstrong | 50 | 0 | 0 |
| Rockville Lutheran Church | County of Armstrong | 50 | 0 | 0 |
| Freeport Brick Co-reesdale | County of Armstrong | 50 | 0 | 0 |
| St Pauls Lutheran Church | County of Armstrong | 50 | 0 | 0 |
| Priestas Country Mkt | County of Armstrong | 50 | 0 | 0 |
| Community Mkt And Produce | County of Armstrong | 50 | 0 | 0 |
| Slicks Bar | County of Armstrong | 50 | 0 | 0 |
| Cochrans Mill United Meth Ch | County of Armstrong | 50 | 0 | 0 |
| Slicks Tavern | County of Armstrong | 50 | 0 | 0 |
| St Paul's Lutheran Church | County of Armstrong | 50 | 0 | 0 |
| Bethel Lutheran Church | County of Armstrong | 50 | 0 | 0 |
| Jean's Restaurant | County of Armstrong | 50 | 0 | 0 |
| St Jacobs United Ch Of Christ | County of Armstrong | 50 | 0 | 0 |
| Patsys Country Store And Deli | County of Armstrong | 50 | 0 | 0 |
| Tims Alternate 66 Cafe | County of Armstrong | 50 | 0 | 0 |
| Laurel Point Estates Mhp | County of Armstrong | 50 | 0 | 0 |
| Clarks Service & Grocery | County of Armstrong | 50 | 0 | 0 |
| The Phoenix | County of Armstrong | 50 | 0 | 0 |
| South Bend Service | County of Armstrong | 50 | 0 | 0 |
| Maffeis Restaurant | County of Armstrong | 50 | 0 | 0 |
| Bethel Twp Vol Fire Dept | County of Armstrong | 50 | 0 | 0 |
| Blaneys Store | County of Armstrong | 50 | 0 | 0 |
| Bachelors Ii | County of Armstrong | 50 | 0 | 0 |
| Keystone Mobile Home Court | County of Armstrong | 48 | 0 | 0 |
| Sugar Creek Rest Inc-intermed | County of Armstrong | 43 | 0 | 0 |
| Greys Colonial Acres Boarding | County of Armstrong | 40 | 0 | 0 |
| Crooked Creek Tavern | County of Armstrong | 40 | 0 | 0 |
| Altmeyers Country Rest Estates | County of Armstrong | 39 | 0 | 0 |
| Smith's Trailer Court | County of Armstrong | 38 | 0 | 0 |
| Sugarcreek Home Inc | County of Armstrong | 35 | 0 | 0 |
| Keystone Overlook | County of Armstrong | 35 | 0 | 0 |
| Voltz Mobile Home Park | County of Armstrong | 35 | 0 | 0 |
| Country Garden Estate | County of Armstrong | 33 | 0 | 0 |
| The Spot | County of Armstrong | 30 | 0 | 0 |
| Tuck's | County of Armstrong | 30 | 0 | 0 |
| Pa State Police Sta No 1420 | County of Armstrong | 29 | 0 | 0 |
| Burrell Twp Vol Fire Dept | County of Armstrong | 25 | 0 | 0 |
| Glacier Water Serv Armstrong | County of Armstrong | 25 | 0 | 0 |
| Buffalo Valley Sportsman Club | County of Armstrong | 25 | 0 | 0 |
| United Methodist Church | County of Armstrong | 25 | 0 | 0 |
| Venango Human Services | County of Armstrong | 25 | 0 | 0 |
| South Buffalo Twp Vfd | County of Armstrong | 25 | 0 | 0 |
| Bell's Dairy Bar | County of Armstrong | 25 | 0 | 0 |
| Klingensmiths Drug Stores | County of Armstrong | 25 | 0 | 0 |
| D W Envir Vending Armstrong | County of Armstrong | 25 | 0 | 0 |
| Sugar Creek Rest Home | County of Armstrong | 25 | 0 | 0 |
| Venango Human Services | County of Armstrong | 25 | 0 | 0 |
| St Charles Methodist Church | County of Armstrong | 25 | 0 | 0 |
| Venango Human Services | County of Armstrong | 25 | 0 | 0 |
| Dewey Trust Campsite 2 | County of Armstrong | 25 | 0 | 0 |
| Dewey Trust Campsite 3 | County of Armstrong | 25 | 0 | 0 |
| Dewey Trust Campsite 4 | County of Armstrong | 25 | 0 | 0 |
| Burnt Ridge Campground | County of Armstrong | 25 | 0 | 0 |
| Keystone Mobile Home Court | County of Armstrong | 24 | 0 | 0 |
| New Bethlehem Wesleyan Meth Sc | County of Armstrong | 22 | 0 | 0 |
| Blumes Solid Surface Products | County of Armstrong | 12 | 0 | 0 |
| 268 Center Inc | County of Armstrong | 10 | 0 | 0 |
| Dominion Transmission Corp | County of Armstrong | 9 | 0 | 0 |
| YELLOW DOG VILLAGE | County of Armstrong | 3 | 0 | 0 |