Dekalb Water Quality Report
4 cities ranked · Average grade: B+ · Indiana
Avg Score
83.3
Cities Ranked
4
Health Violations
2
PFAS Detected
2
83.3
County avg score
4
Cities ranked
100%
A or B grade
0%
D or F grade
2
Health violations
2
PFAS detected
Grade Distribution
How Dekalb cities scored
A
1
25%
Excellent
B
3
75%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Indiana average
▲ 5.2 pts above state average
City Map
Water quality across Dekalb
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Dekalb
Best cities
Worst cities
County context
100.0%
of residents on fluoridated water (CDC, 2020)
459
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Dekalb
Industrial polluters nearby
Facilities reporting the most surface-water releases in Dekalb, 2023.
Total reported releases to surface water: 459 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
NUCOR VULCRAFT GROUP SAINT JOE DIV SAINT JOE, IN46785 | Zinc compounds | 237 |
STEEL DYNAMICS INC-FLAT ROLL DIV BUTLER, IN46721 | Manganese compounds | 191 |
HEIDTMAN STEEL PRODUCTS INC. BUTLER, IN46721 | Manganese | 15 |
CONTITECH USA INC. AUBURN, IN46706 | Ethylene glycol | 10 |
NEW MILLENNIUM BUILDING SYSTEMS LLC BUTLER, IN46721 | Manganese | 6 |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings