Indiana Water Quality Ratings

TapWaterSafety has rated 18 public water systems in Indiana, serving a combined 3,645,510 residents. The statewide average grade is D.

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
State average grade
D
69/100
Total utilities rated 18
Population served 3,645,510
Most recent test 2024
🇪🇺 Would fail EU standards 5 of 18

Top water quality concerns in Indiana

  • Haloacetic acids (HAA9) significantly above health guideline
  • Total trihalomethanes (TTHMs) significantly above health guideline
  • Haloacetic acids (HAA5) significantly above health guideline
  • Arsenic significantly above health guideline
  • PFAS contamination

Cities in Indiana

Browse tap water quality reports by city. Click any city to see its grade, what's in the water, and recommended filters.

ANDERSON
C 55,212
BLOOMINGTON
D 83,000
CARMEL
C 161,420
EVANSVILLE
C 182,444
FORT WAYNE
D 269,994
Fort Wayne
F 270,000
GARY
C 210,510
GREENWOOD
C 86,813
HAMMOND
C 78,384
INDIANAPOLIS
D 880,345
Indianapolis
F 876,000
JEFFERSONVILLE
B 104,445
KOKOMO
D 59,313
LAFAYETTE
C 70,835
MERRILLVILLE
C 210,510
MUNCIE
C 74,030
SOUTH BEND
D 115,000
TERRE HAUTE
D 67,765

Grade distribution

A
0 (0%)
B
6 (33%)
C
8 (44%)
D
2 (11%)
F
2 (11%)

All rated utilities in Indiana

Sorted by score, highest first. Click any utility to see the full grade card.

Rank Utility City Population Score Grade
#1 INDIANA AMERICAN WATER - S. INDIANA JEFFERSONVILLE 104,445 82 B
#2 INDIANA AMERICAN WATER - NORTHWEST MERRILLVILLE 210,510 77 B
#3 INDIANA AMERICAN WATER - MUNCIE MUNCIE 74,030 76 B
#4 CARMEL WATER DEPARTMENT CARMEL 99,927 76 B
#5 LAFAYETTE WATER WORKS LAFAYETTE 70,835 76 B
#6 EVANSVILLE WATER UTILITY EVANSVILLE 182,444 75 B
#7 CITIZENS WATER OF WESTFIELD, LLC CARMEL 61,493 74 C
#8 ANDERSON WATER DEPARTMENT ANDERSON 55,212 73 C
#9 INDIANA AMERICAN WATER - JOHNSON COUNTY GREENWOOD 86,813 72 C
#10 HAMMOND WATER WORKS DEPARTMENT HAMMOND 78,384 71 C
#11 INDIANA AMERICAN WATER - TERRE HAUTE TERRE HAUTE 67,765 68 C
#12 FORT WAYNE - 3 RIVERS FILTRATION PLANT FORT WAYNE 269,994 67 C
#13 CITIZENS WATER - INDIANAPOLIS INDIANAPOLIS 880,345 65 C
#14 CITY OF BLOOMINGTON UTILITIES BLOOMINGTON 83,000 65 C
#15 SOUTH BEND WATER WORKS SOUTH BEND 115,000 62 D
#16 INDIANA AMERICAN WATER - KOKOMO KOKOMO 59,313 60 D
#17 City of Indianapolis Water Department Indianapolis 876,000 54 F
#18 Fort Wayne Department of Public Works Fort Wayne 270,000 53 F