State rankings
Indiana water-system rankings
Lowest-scoring systems in Indiana
Ranked lowest score first. Population shown for context.
1 BROWN COUNTY WATER UTILITY MORGANTOWN, IN · ~15,368 served 34 2 JACKSON COUNTY WATER UTILITY BROWNSTOWN, IN · ~13,667 served 65 3 PIKE-GIBSON WATER, INC. OAKLAND CITY, IN · ~10,000 served 67 4 INDIANA AMERICAN WATER - CHARLESTOWN GREENWOOD, IN · ~8,658 served 67 5 MARYSVILLE OTISCO NABB WATER CORP. MARYSVILLE, IN · ~6,813 served 67 6 HANOVER WATER DEPARTMENT HANOVER, IN · ~2,597 served 69 7 GREENVILLE WATER UTILITY GREENVILLE, IN · ~4,920 served 72 8 PALMYRA WATER WORKS PALMYRA, IN · ~4,425 served 76 9 WEST TERRE HAUTE WATER CENTERPOINT, IN · ~4,075 served 78 10 ELKHART PUBLIC WORKS AND UTILITIES ELKHART, IN · ~46,455 served 84 11 INDIANA AMERICAN WATER - TERRE HAUTE GREENWOOD, IN · ~67,765 served 85 12 GIBSON WATER AUTHORITY HAUBSTADT, IN · ~4,835 served 86 13 SOUTH BEND WATER WORKS SOUTH BEND, IN · ~115,000 served 87 14 MADISON WATER DEPARTMENT MADISON, IN · ~15,323 served 90 15 TELL CITY WATER DEPARTMENT TELL CITY, IN · ~9,315 served 90 16 ANDERSON WATER DEPARTMENT ANDERSON, IN · ~55,212 served 91 17 MISHAWAKA UTILITIES MISHAWAKA, IN · ~49,675 served 91 18 UNIVERSITY OF NOTRE DAME NOTRE DAME, IN · ~7,400 served 91 19 RAMSEY WATER COMPANY, INC. RAMSEY, IN · ~16,475 served 92 20 SELLERSBURG WATER DEPARTMENT SELLERSBURG, IN · ~15,655 served 92 21 MOUNT VERNON WATER WORKS MOUNT VERNON, IN · ~6,426 served 92 22 PURDUE UNIV. WATER WORKS WEST LAFAYETTE, IN · ~50,000 served 97 23 CLINTON WATER UTILITY CLINTON, IN · ~4,773 served 99 24 CITIZENS WATER - INDIANAPOLIS INDIANAPOLIS, IN · ~880,345 served 100 25 FORT WAYNE - 3 RIVERS FILTRATION PLANT FORT WAYNE, IN · ~269,994 served 100
Highest-scoring large systems in Indiana
Systems serving 10,000+ people with the best scores.
1 CITIZENS WATER - INDIANAPOLIS INDIANAPOLIS, IN · ~880,345 served 100 2 FORT WAYNE - 3 RIVERS FILTRATION PLANT FORT WAYNE, IN · ~269,994 served 100 3 INDIANA AMERICAN WATER - NORTHWEST GREENWOOD, IN · ~210,510 served 100 4 EVANSVILLE WATER UTILITY EVANSVILLE, IN · ~182,444 served 100 5 INDIANA AMERICAN WATER - S. INDIANA GREENWOOD, IN · ~104,445 served 100 6 CARMEL WATER DEPARTMENT CARMEL, IN · ~99,927 served 100 7 INDIANA AMERICAN WATER - JOHNSON COUNTY GREENWOOD, IN · ~86,813 served 100 8 CITY OF BLOOMINGTON UTILITIES BLOOMINGTON, IN · ~83,000 served 100
Scores reflect EPA public records (violations, enforcement, PFAS), are system-level, and can’t account for your home’s plumbing. See the methodology.