Arsenic violations in Indiana
57 active public water systems in Indiana had a Arsenic violation in the past three years, 7 of them in the latest quarter of EPA's data. What Arsenic is and why it matters.
Health effects: Long-term arsenic exposure increases risk of bladder, lung, and skin cancers. It is also associated with cardiovascular disease, type 2 diabetes, and developmental effects in children. Arsenic is classified as a Group A human carcinogen by the EPA.
Systems with a Arsenic violation
Latest quarter first, then largest first| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Southwestern High School Shelbyville · Shelby County |
450 | 1 | 0 | |
|
Cornerstone Mennonite Church/school Nappanee · Elkhart County |
210 | 5 | 1 | |
|
Lake Estates Manufactured Home Community Warsaw · Kosciusko County |
192 | 4 | 2 | |
|
Jimmerson Shores Co-Op Steuben County |
120 | 4 | 0 | |
|
Riverside Community Redkey (red Key) · Randolph County |
50 | 5 | 0 | |
|
Mobil-Rama Fremont · Steuben County |
30 | 2 | 0 | |
|
Nameless Creek Youth Camp, Inc. Greenfield · Hancock County |
30 | 7 | 1 | |
|
Speedway Water Works Speedway · Marion County |
10,578 | 4 | 0 | |
|
Cedar Lake Water Works Cedar Lake · Lake County |
4,600 | 8 | 0 | |
|
Lagrange Department of Water Works Lagrange · LaGrange County |
2,625 | 6 | 0 | |
|
Westport Water Company Westport · Decatur County |
1,725 | 6 | 0 | |
|
Freelandville Water Association Freelandville · Knox County |
1,175 | 6 | 0 | |
|
St. Paul Municipal Water St. Paul · Decatur County |
1,096 | 8 | 3 | |
|
Cedar Lake Robins Nest Schererville · Lake County |
950 | 6 | 0 | |
|
Western Boone Schools Thorntown · Boone County |
876 | 2 | 0 | |
|
Laurel Water Department Laurel · Franklin County |
800 | 7 | 1 | |
|
Linden Water Department Linden · Montgomery County |
759 | 8 | 1 | |
|
Pine Manor/miller Poultry Orland · Steuben County |
500 | 2 | 0 | |
|
L & M Regional Water District Losantville (bronson) · Randolph County |
450 | 3 | 1 | |
|
Westhaven MHP LLC Warsaw · Kosciusko County |
417 | 3 | 2 | |
|
Meadowview Elementary School Shipshewana · LaGrange County |
411 | 1 | 0 | |
|
Royal Oaks Homeowners Assn., Inc. Monticello · White County |
390 | 3 | 1 | |
|
Neighbors of Pine Hills Holdings, LLC Middlebury · Elkhart County |
332 | 2 | 0 | |
|
Zion Lutheran School New Palestine · Hancock County |
330 | 4 | 1 | |
|
Northfield Elementary Wabash · Wabash County |
300 | 1 | 0 | |
|
Culver Duck Farms, Inc. Middlebury · Elkhart County |
241 | 6 | 0 | |
|
Zotung Christian Church Franklin · Johnson County |
194 | 8 | 1 | |
|
Truland Equipment, LLC Bluffton · Wells County |
148 | 6 | 0 | |
|
Portland Forge Portland · Jay County |
137 | 1 | 0 | |
|
Madison Elementary School Wakarusa · St. Joseph County |
127 | 1 | 0 | |
|
Cal-Maine Foods Inc. Warsaw · Kosciusko County |
110 | 1 | 0 | |
|
St. Pauls Childcare Andrews · Huntington County |
100 | 5 | 0 | |
|
House of the Lord Plymouth · Marshall County |
89 | 5 | 0 | |
|
Skyview Mobile Home Park Goshen · Elkhart County |
84 | 5 | 0 | |
|
48forty Solutions LLC Indianapolis · Marion County |
75 | 8 | 1 | |
|
Kings Court Mobile Home Park Peru · Miami County |
70 | 7 | 0 | |
|
Prestress Services Industries Office Decatur · Adams County |
60 | 3 | 0 | |
|
Zionsville MHP Trust Zionsville · Boone County |
57 | 12 | 2 | |
|
Or-An Trailer Court Angola · Steuben County |
55 | 2 | 0 | |
|
Ponderosa Estates Kosciusko County |
55 | 5 | 0 | |
|
J. T. International Indianapolis · Shelby County |
52 | 1 | 0 | |
|
Caring Hands Care Center Topeka · LaGrange County |
50 | 3 | 1 | |
|
Lift-A-Loft Muncie · Delaware County |
48 | 6 | 1 | |
|
Lake of the Woods MHP LaGrange County |
46 | 4 | 1 | |
|
Lynn Hill Court & Charles Manor Monticello · White County |
44 | 7 | 2 | |
|
Digger Specialties Corporate Office Bremen · Marshall County |
40 | 4 | 1 | |
|
Indiana Wood Products Middlebury · Elkhart County |
40 | 1 | 0 | |
|
Sti-Bel Mobile Home Park Clayton · Hendricks County |
40 | 8 | 1 | |
|
The Andersons, Inc. Walton Facility Galveston · Cass County |
40 | 6 | 0 | |
|
Big Oaks Campground Muncie · Delaware County |
37 | 6 | 2 |
About this data
A system is counted once if any of its violations in the past three years involved Arsenic, including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not Arsenic alone.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Indiana records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.