City Water Quality Rankings in Indiana
303 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#265
Mount Vernon
County, IN
64 C
#266 Lyons
County, IN
63 C
#267 Martinsville
County, IN
63 C
#268 Oakland City
County, IN
63 C
#269 Boonville
County, IN
61 C
#270 North Vernon
County, IN
61 C
#271 Princeton
County, IN
61 C
#272 Salem
County, IN
61 C
#273 Bremen
County, IN
60 C
#274 Borden
County, IN
58 D
#275 Haubstadt
County, IN
58 D
#276 Troy
County, IN
58 D
#277 Ogden Dunes
County, IN
57 D
#278 Ramsey
County, IN
56 D
#279 Carbon
County, IN
54 D
#280 Clay City
County, IN
54 D
#281 Crawfordsville
County, IN
54 D
#282 Fort Branch
County, IN
54 D
#283 Jasonville
County, IN
54 D
#284 Grabill
County, IN
51 D
#285 Covington
County, IN
42 F
#286 Lynnville
County, IN
40 F
#287 Lanesville
County, IN
37 F
#288 Bicknell
County, IN
34 F
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.