City Water Quality Rankings in Indiana
304 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#25
Greenfield
County, IN
99 A
#26 Woodburn
County, IN
99 A
#27 Decatur
County, IN
98 A
#28 Dubois
County, IN
98 A
#29 Dyer
County, IN
98 A
#30 Fowler
County, IN
98 A
#31 Kokomo
County, IN
98 A
#32 Mulberry
County, IN
98 A
#33 Valparaiso
County, IN
98 A
#34 Bunker Hill
County, IN
97 A
#35 Camby
County, IN
97 A
#36 Commiskey
County, IN
97 A
#37 Eaton
County, IN
97 A
#38 French Lick
County, IN
97 A
#39 Hardinsburg
County, IN
97 A
#40 Jasper
County, IN
97 A
#41 Liberty
County, IN
97 A
#42 Mishawaka
County, IN
97 A
#43 Plymouth
County, IN
97 A
#44 Reelsville
County, IN
97 A
#45 Sellersburg
County, IN
97 A
#46 Taylorsville
County, IN
97 A
#47 Whitestown
County, IN
97 A
#48 Winamac
County, IN
97 A
Frequently Asked Questions
How are city water quality rankings calculated in Indiana?
WaterQ city rankings are based on EPA SDWIS data across local public water systems, including contaminant detections, compliance violations, and recency-weighted score signals.
Can I compare two cities in Indiana?
Yes. Use the city comparison links on this page or open the Compare tool to evaluate two cities side by side on score, grade, and water system coverage.
How often does WaterQ refresh city data?
City-level metrics refresh when new EPA data is processed. Check city pages for latest score and violation context.