1254 water systems in Indiana have at least one health-based violation on record. The system with the most health-based violations is Scottsburg Water Department in Scottsburg with 120 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 |
|---|
| Scottsburg Water Department |
Scottsburg | 7,369 |
120 | 169 |
| Salem Water Works |
Salem | 8,200 |
71 | 130 |
| Kingman Water Works |
Kingman | 560 |
64 | 73 |
| Oolitic Water Works |
Bloomington | 1,315 |
62 | 85 |
| Westport Water Company |
Westport | 1,300 |
55 | 198 |
| Salt Creek Services, Inc. |
Bloomington | 90 |
45 | 86 |
| Burnt Pines Water Association |
North Vernon | 900 |
38 | 57 |
| Glenwood Water Works |
Glenwood | 313 |
36 | 39 |
| North Vernon Water Department |
North Vernon | 6,500 |
35 | 112 |
| East Washington Rural Water |
Salem | 8,613 |
32 | 32 |
| Westport Water Company - Cougar Road |
Westport | 933 |
30 | 35 |
| Montezuma Municipal Utility |
Montezuma | 1,022 |
29 | 47 |
| Poseyville Municipal Water Department |
Poseyville | 1,400 |
29 | 39 |
| Prairie View Elementary School |
New Carlisle | 370 |
28 | 50 |
| Riley Resort Land Trust |
Pierceton | 39 |
27 | 55 |
| Raccoon Lakeside Lodge |
Rockville | 61 |
25 | 297 |
| Stellas Crumstown Tavern |
North Liberty | 40 |
24 | 39 |
| Lakeside Campground (House) |
Plymouth | 21 |
23 | 29 |
| Hickory Hills Campground - Well #1 |
Knox | 82 |
22 | 83 |
| Wabash Valley Girls Softball League |
Terre Haute | 50 |
20 | 120 |
| Tall Oaks Campground Corp. |
Monticello | 50 |
20 | 33 |
| Van Buren Hills Amish School #2 |
Shipshewana | 35 |
19 | 29 |
| Chiafos Resorts |
Monticello | 46 |
18 | 73 |
| Stucker Fork Water Utility |
Scottsburg | 19,120 |
18 | 49 |
| Lynnville Water Works |
Lynnville | 1,200 |
18 | 28 |
| Borden Tri-County Region |
Borden | 11,637 |
18 | 21 |
| Indiana American Water - Lowell |
Greenwood | 11,908 |
17 | 17 |
| Craft Station |
New Carlisle | 405 |
16 | 41 |
| Sunny Ridge Amish School |
Millersburg | 38 |
16 | 21 |
| Willow Springs MHP |
Greenfield | 25 |
15 | 340 |
| Laurel Water Department |
Laurel | 560 |
15 | 162 |
| Greensburg Municipal Water Works |
Greensburg | 12,650 |
15 | 98 |
| Rock Run Amish School |
Topeka | 46 |
15 | 42 |
| Perrysville Water Works |
Perrysville | 470 |
15 | 40 |
| St. Luke Community Church |
San Pierre | 51 |
15 | 24 |
| Cardinal Produce Housing |
Oaktown | 71 |
15 | 19 |
| Jay County Retirement Center |
Portland | 35 |
15 | 18 |
| Oak Wood Circle |
Warsaw | 30 |
14 | 60 |
| Ken Do Fishing Lake |
Clarks Hill | 26 |
14 | 60 |
| Outrigger - South |
Remington | 25 |
14 | 50 |
| Pine Creek Umc - Groves |
Pine Village | 72 |
14 | 40 |
| Brown County State Park |
Nashville | 2,836 |
14 | 26 |
| Olive Branch United Brethren Church |
Lakeville | 52 |
14 | 26 |
| Pine Creek Umc - Pool |
Pine Village | 98 |
14 | 23 |
| Sunnyside Amish School |
Topeka | 53 |
14 | 21 |
| Kirklin Water Department |
Kirklin | 788 |
14 | 20 |
| County Line Ch of God-Auditorium/School |
Auburn | 1,168 |
14 | 17 |
| Meyers Castle |
Dyer | 25 |
13 | 476 |
| Cedar Lake United Methodist Church |
Cedar Lake | 61 |
13 | 62 |
| Indiana Academy |
Cicero | 113 |
13 | 51 |
| Lake View Mobile Home Park |
Jeffersonville | 90 |
13 | 51 |
| Sun Aura - Pool |
Lake Village | 25 |
13 | 44 |
| Four Friends Rentals LLC |
Bainbridge | 30 |
13 | 16 |
| Lyford Water Works |
Rosedale | 1,000 |
12 | 83 |
| Pond-A-River Golf Course |
Woodburn | 106 |
12 | 75 |
| Hillcrest Campground |
Monticello | 74 |
12 | 57 |
| Best Western Fremont |
Fremont | 25 |
12 | 33 |
| Kingsford Expo 66 |
Hamlet | 503 |
12 | 24 |
| New Pekin Water Utility |
Pekin | 2,150 |
12 | 15 |
| Napoleon Community Rural Water Corp. |
Napoleon | 5,564 |
12 | 12 |
| Hamilton Grove |
New Carlisle | 384 |
11 | 85 |
| Bloomingdale Water Works |
Bloomingdale | 562 |
11 | 50 |
| Seven-Eleven #32578 |
Granger | 900 |
11 | 25 |
| Haubstadt Water Department |
Haubstadt | 1,600 |
11 | 21 |
| Kalorama Point, LLC |
Leesburg | 59 |
11 | 18 |
| Madison Elementary School |
Mishawaka | 127 |
11 | 17 |
| Mid-States Specialty Eggs of Middlebury |
Middlebury | 160 |
11 | 14 |
| Pine Creek Umc - Family Camp |
Pine Village | 60 |
10 | 64 |
| Elsons Ponderosa Campground Inc. |
Indianapolis | 100 |
10 | 50 |
| Tri-Way Theater |
Plymouth | 60 |
10 | 45 |
| Pine Creek Umc - Timbers |
Pine Village | 72 |
10 | 41 |
| Ottos Campground |
Columbia City | 70 |
10 | 29 |
| Midwest Eye Consultants |
Wabash | 32 |
10 | 29 |
| Patriot Inn |
Howe | 30 |
10 | 28 |
| US 24 Speedway |
Monticello | 65 |
10 | 26 |
| Campers Roost Campground |
Plymouth | 45 |
10 | 25 |
| Dollar General #03724 - Granger |
Indianapolis | 160 |
10 | 17 |
| Atwood Lake Campground - Well #1 |
Fort Wayne | 200 |
10 | 16 |
| Indian Oaks Campground - Office |
Quincy | 45 |
10 | 16 |
| Indian Oaks Campground - Playground |
Quincy | 45 |
10 | 11 |
| Mini Mountain Campground-South |
New Carlisle | 30 |
9 | 75 |
| Kingman Stopping Center |
Valparaiso | 650 |
9 | 69 |
| Journey Worship Center |
Goshen | 150 |
9 | 38 |
| American Inn |
Angola | 37 |
9 | 37 |
| Mar Brook Campground |
Noblesville | 25 |
9 | 35 |
| Pla-Mor Campground, Inc. |
Bremen | 1,250 |
9 | 30 |
| Vigo County Youth Soccer Complex |
Terre Haute | 85 |
9 | 27 |
| Barbee Hotel and Restaurant |
Warsaw | 205 |
9 | 24 |
| Golden Acres Mobile Home Park |
Waterloo | 112 |
9 | 24 |
| Mississinewa - Red Bridge Boat Ramp |
Peru | 900 |
9 | 22 |
| Pipe Creek South Rest Area |
Greenfield | 1,001 |
9 | 19 |
| Pipe Creek North Rest Area |
Greenfield | 1,001 |
9 | 18 |
| Taghleef Industries, Inc. |
Rosedale | 399 |
9 | 18 |
| Prossers Country Estates |
Monticello | 85 |
9 | 18 |
| Lakeview Terrace M.H. Park, Inc. |
Leesburg | 140 |
9 | 14 |
| Duff Water Corporation |
Huntingburg | 825 |
9 | 13 |
| Or-An Trailer Court |
Waterloo | 55 |
9 | 13 |
| Home Church |
Warsaw | 129 |
8 | 241 |
| Zionsville MHP Trust |
Zionsville | 57 |
8 | 229 |
| American Legion Post 253 |
North Webster | 68 |
8 | 91 |