Not health advice. Contact your local water utility for concerns.
Data from EPA Water Quality Reports. For official information, contact your water utility or health department.
Indiana Water Quality Reports
Water quality scores for 40 cities in Indiana
Greenwood
63,830 residents
Franklin
26,211 residents
Crown Point
33,410 residents
Merrillville
35,246 residents
Westfield
46,410 residents
Muncie
65,194 residents
Richmond
35,467 residents
Elkhart
53,923 residents
Lafayette
72,556 residents
Noblesville
69,604 residents
Carmel
99,757 residents
Seymour
21,673 residents
Anderson
54,788 residents
South Bend
103,453 residents
Fort Wayne
270,402 residents
New Albany
37,603 residents
Portage
37,829 residents
Terre Haute
60,690 residents
Bloomington
79,168 residents
Gary
69,739 residents
Indianapolis
887,642 residents
Fishers
98,977 residents
Highland
22,479 residents
West Lafayette
49,668 residents
Jeffersonville
49,447 residents
Kokomo
59,241 residents
Plainfield
35,203 residents
Goshen
34,517 residents
Lawrence
49,370 residents
Valparaiso
34,609 residents
Clarksville
22,333 residents
Schererville
29,646 residents
Columbus
50,474 residents
Marion
27,730 residents
Hobart
29,752 residents
Granger
30,990 residents
Michigan City
31,032 residents
Evansville
117,298 residents
Hammond
77,879 residents
Mishawaka
51,063 residents
About Indiana Water Quality
This state's water quality reflects local geographic conditions, industrial activities, and water infrastructure. Water quality can vary significantly between communities, with some areas enjoying excellent tap water while others face contamination challenges requiring treatment.
Based on our analysis of 40 cities in Indiana, the average water quality score is 81/100. 4 cities have water quality scores below 70, indicating potential concerns that residents should be aware of. The highest-rated city is Mishawaka with a score of 46/100, while Greenwood has the most room for improvement at 97/100.
Water Sources in Indiana
Water sources typically include a combination of surface water (rivers, lakes, reservoirs) and groundwater. The specific sources serving your community depend on local geography and infrastructure. Check your local water utility's Consumer Confidence Report for details about your water source.
Common Water Contaminants in Indiana
These contaminants have been detected in various Indiana water systems
Indiana Water Regulations
State environmental and health agencies oversee drinking water quality in compliance with federal EPA standards. Public water systems are required to test regularly and report results to residents through annual Consumer Confidence Reports.
Health Considerations
Water quality concerns vary by location. Common issues include lead from older plumbing, agricultural runoff in rural areas, and industrial contamination near manufacturing sites. Check your local water quality report and consider testing if you have specific concerns.
Recommendations for Indiana Residents
Review your annual Consumer Confidence Report to understand local water quality. Consider having your water tested if you use a private well or have concerns about your plumbing. Water filters certified to remove specific contaminants can address most common water quality issues.
Frequently Asked Questions About Indiana Water Quality
Is Indiana's tap water safe to drink?
Most Indiana cities have tap water that meets EPA safety standards. With an average score of 81/100 across 40 cities we analyzed, Indiana generally has good water quality. However, water quality varies by location, so check your specific city's report.
What are the main water quality concerns in Indiana?
The most common water quality concerns in Indiana include disinfection byproducts (chlorination), lead (older infrastructure), nitrates (agricultural areas). These contaminants can come from natural sources, industrial activities, or aging infrastructure. Review your city's specific report to see which contaminants affect your area.
Should I use a water filter in Indiana?
Whether you need a water filter depends on your specific location and health concerns. With 4 cities in Indiana showing elevated contaminant levels, residents in those areas may benefit from filtration. Look for filters certified by NSF/ANSI to remove the specific contaminants found in your area.
Where can I find my Indiana water quality report?
Public water systems in Indiana are required to provide annual Consumer Confidence Reports (CCRs) to residents. You can usually find your report on your water utility's website, request it by phone, or access it through the EPA's database. Our city-level reports above summarize key information from these official sources.