77.2
County avg score
5
Cities ranked
60%
A or B grade
0%
D or F grade
5
Health violations
1
PFAS detected
Grade Distribution
How Hamilton cities scored
A
2
40%
Excellent
B
1
20%
Good
C
2
40%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Indiana average
▼ 1.5 pts below state average
City Map
Water quality across Hamilton
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Hamilton
Best cities
Worst cities
County context
98.7%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Hamilton
Industrial polluters nearby
Facilities reporting the most surface-water releases in Hamilton, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
CHEMSTATION OF INDIANA CARMEL, IN46032 | — | — |
KING SYSTEMS CORP NOBLESVILLE, IN46060 | — | — |
ID CASTINGS LLC NOBLESVILLE, IN46060 | — | — |
INDUSTRIAL DIELECTRICS INC. NOBLESVILLE, IN46060 | — | — |
EMC PRECISION II SHERIDAN, IN46069 | — | — |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings