City Water Quality Rankings in Indiana
304 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#73
Frankfort
County, IN
95 A
#74 Montpelier
County, IN
95 A
#75 New Haven
County, IN
95 A
#76 Notre Dame
County, IN
95 A
#77 Santa Claus
County, IN
95 A
#78 Tennyson
County, IN
95 A
#79 Vincennes
County, IN
95 A
#80 Waterloo
County, IN
95 A
#81 Arcadia
County, IN
94 A
#82 Argos
County, IN
94 A
#83 Cayuga
County, IN
94 A
#84 Chesterfield
County, IN
94 A
#85 Connersville
County, IN
94 A
#86 Corydon
County, IN
94 A
#87 Crane
County, IN
94 A
#88 Daleville
County, IN
94 A
#89 Dunkirk
County, IN
94 A
#90 Hanover
County, IN
94 A
#91 Ireland
County, IN
94 A
#92 Knightstown
County, IN
94 A
#93 Lawrenceburg
County, IN
94 A
#94 Marysville
County, IN
94 A
#95 Mentone
County, IN
94 A
#96 Monroeville
County, IN
94 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.