2915 water systems in Pennsylvania have at least one health-based violation on record. The system with the most health-based violations is A C Valley Development Corp in Foxburg with 285 health-based violations. Health-based violations mean a system exceeded an EPA maximum contaminant level or failed required treatment standards.
| Water System | City | Population | Health Violations | Total Violations |
|---|
| A C Valley Development Corp |
Foxburg | 500 |
285 | 810 |
| Giorgi Farm 1 Transient Wells |
Temple | 140 |
156 | 188 |
| Parker Area Water Auth |
Parker | 900 |
148 | 195 |
| B J Baldwin Electric Inc |
Narvon | 40 |
145 | 271 |
| East Taylor Muni Auth |
Johnstown | 3,152 |
126 | 246 |
| Pithole Water Association |
Cyclone | 87 |
111 | 363 |
| Icmsa Rossiter |
Indiana | 500 |
109 | 173 |
| Jackson Twp Water Auth |
Mineral Point | 4,236 |
108 | 237 |
| Centerville Muni Water Auth |
Bedford | 75 |
95 | 981 |
| Gaspari Farms Plant 4 |
Temple | 40 |
93 | 105 |
| Tri Cnty Jt Muni Auth |
Fredericktown | 10,100 |
88 | 245 |
| Icmsa Arcadia |
Indiana | 65 |
87 | 188 |
| Blawnox Boro Water Dept |
Pittsburgh | 2,200 |
75 | 174 |
| Excela Westmoreland Hospital |
Greensburg | 1,500 |
70 | 314 |
| Cornerstone Care |
Burgettstown | 100 |
66 | 283 |
| Ebensburg Boro Muni Auth |
Ebensburg | 8,500 |
62 | 127 |
| Icmsa Cherrytree |
Indiana | 400 |
59 | 119 |
| Giorgi Farm 1 |
Temple | 150 |
58 | 540 |
| Brave Water Auth |
Brave | 200 |
58 | 188 |
| Vfw Palmerton Post 7134 |
Palmerton | 50 |
58 | 164 |
| Wolfs Camping Resort |
Knox | 1,000 |
57 | 178 |
| Dew Fresh Inc |
Temple | 150 |
57 | 81 |
| Bear Den Smokehouse & Tavern |
Driftwood | 50 |
52 | 404 |
| Raccoon Creek State Park |
Hookstown | 4,000 |
52 | 269 |
| Aqua PA Clarendon |
Sharon | 840 |
52 | 57 |
| Nelson Township Authority |
Nelson | 300 |
50 | 691 |
| Midland Boro Muni Auth |
Midland | 3,100 |
47 | 328 |
| Westover Municipal Authority |
Westover | 456 |
46 | 296 |
| Nestos General Store |
Bushkill | 125 |
43 | 176 |
| Milton Jellyston Park |
Milton | 150 |
42 | 204 |
| Lanchester Landfill |
Honey Brook | 28 |
42 | 127 |
| Southwest Warren Co Mun Auth |
Tidioute | 1,040 |
42 | 77 |
| Penn United Tech |
Cabot | 340 |
40 | 100 |
| West Carroll W Auth Bakerton |
Elmora | 670 |
39 | 202 |
| Polk Center |
Polk | 1,058 |
38 | 183 |
| Albert Gallatin Muni Auth |
Point Marion | 2,695 |
37 | 83 |
| Falls Creek Boro Mun Auth |
Falls Creek | 1,440 |
36 | 146 |
| Scenic View Personal Care Home |
Palmerton | 25 |
36 | 112 |
| Blacklick Valley Muni Auth |
Twin Rocks | 1,650 |
36 | 67 |
| Pinecrest Village MHP |
Havertown | 195 |
35 | 934 |
| Point Marion Boro |
Point Marion | 1,110 |
34 | 296 |
| Freeburg Municipal Authority |
Freeburg | 685 |
34 | 98 |
| Confluence Boro Muni Auth |
Confluence | 645 |
33 | 197 |
| Romanos Restaurant |
New Ringgold | 25 |
33 | 196 |
| The Riverwalck |
Palmerton | 500 |
32 | 122 |
| Cherry Lane Methodist Church |
Tannersville | 60 |
31 | 128 |
| Johnsonburg Municipal Auth |
Johnsonburg | 2,413 |
30 | 838 |
| The Ridge Golf Course |
Erie | 25 |
30 | 142 |
| Rbe Water Association Inc |
Roaring Brook Twp | 175 |
30 | 119 |
| Rainbow Mountain Resort |
East Stroudsburg | 90 |
29 | 151 |
| Briar Hill Water Co |
Lakeville | 200 |
29 | 94 |
| State Line Muni Svcs Auth |
Point Marion | 95 |
28 | 216 |
| Reflection Lakes |
Equinunk | 600 |
28 | 211 |
| Endless Mountain Resort |
Union Dale | 100 |
28 | 83 |
| Salem Heights Estate |
Lake Ariel | 62 |
27 | 1,800 |
| Ambassadors for Christ |
Paradise | 30 |
27 | 49 |
| Laurel Woods Mobile Home Park |
Dingmans Ferry | 70 |
27 | 47 |
| Camp Susque |
Trout Run | 85 |
26 | 123 |
| Loch Nairn Farm |
Avondale | 1,000 |
26 | 71 |
| Pinedale Mobile Home Park |
Adamsville | 80 |
26 | 61 |
| Summit Camp and Travel |
Honesdale | 500 |
25 | 87 |
| Village of Mtn Heights MHP |
Milton | 76 |
25 | 77 |
| Clarendon Acres Water Co |
Tunkhannock | 280 |
24 | 1,069 |
| Susquehanna Campground |
Jersey Shore | 75 |
24 | 256 |
| PA American Dilliner System |
Dilliner | 4,200 |
24 | 252 |
| Animal Care Sanctuary |
East Smithfield | 50 |
24 | 248 |
| Village Court |
Mount Bethel | 30 |
24 | 138 |
| Central Cb Club |
Erie | 25 |
24 | 104 |
| All Saints Camp |
Emlenton | 70 |
24 | 88 |
| Valley National |
Allentown | 65 |
24 | 60 |
| Dover Boro Water Sys |
Dover | 1,900 |
23 | 103 |
| Keystone Trade Center |
Morrisville | 1,454 |
23 | 88 |
| Rosemount Camping |
Tamaqua | 200 |
23 | 69 |
| Pleasant Valley Campground |
Equinunk | 30 |
23 | 62 |
| PA American Water Steelton |
Hummelstown | 6,428 |
23 | 45 |
| Cobbs Lake Preserve |
Lake Ariel | 200 |
22 | 444 |
| Victoria Village Townhouse |
Brodheadsville | 99 |
22 | 219 |
| Lykens Boro Auth |
Lykens | 3,220 |
22 | 122 |
| Pier 87 Bar and Grille |
Williamsport | 25 |
22 | 104 |
| Morrisville Munic Authority |
Morrisville | 13,342 |
21 | 251 |
| Casino Countryside Inn |
Bear Creek Township | 44 |
21 | 160 |
| Echo Valley Cottages |
East Stroudsburg | 40 |
21 | 103 |
| Edinboro Lake Resort |
Edinboro | 100 |
21 | 94 |
| Tamaqua Area Water Authority |
Tamaqua | 8,000 |
21 | 92 |
| Igloo Ice Cream |
Worthington | 25 |
21 | 89 |
| Lake of the Pines |
East Stroudsburg | 1,200 |
21 | 85 |
| The Woods |
Lehighton | 600 |
21 | 78 |
| Nanty Glo Water Auth |
Nanty Glo | 3,152 |
21 | 76 |
| Western Clinton Co Mun Auth |
Renovo | 2,610 |
20 | 530 |
| Hawthorn Redbank Redbank Ma |
Hawthorn | 1,500 |
20 | 283 |
| Brinton Manor |
Glen Mills | 196 |
20 | 142 |
| 522 Parks Pit Stop |
Ft Littleton | 25 |
20 | 96 |
| Rote Mutual Water Association |
Mill Hall | 481 |
20 | 88 |
| Birdsboro Muni Water Auth |
Birdsboro | 5,353 |
20 | 67 |
| Tacks Inn |
Bradford | 100 |
20 | 58 |
| Bcwsa Main Lower South |
Warrington | 52,621 |
20 | 51 |
| Shippingport Boro Water Sys |
Shippingport | 222 |
20 | 35 |
| Twin Cedars Assisted Living Ce |
Shohola | 27 |
19 | 291 |
| Waterford Municipal Authority |
Waterford | 1,700 |
19 | 184 |
| Zacs Taco Shack |
Tannersville | 900 |
19 | 167 |