St. Joseph Water Quality Report
8 cities ranked · Average grade: B- · Indiana
Avg Score
74.2
Cities Ranked
8
Health Violations
7
PFAS Detected
3
74.2
County avg score
8
Cities ranked
63%
A or B grade
13%
D or F grade
7
Health violations
3
PFAS detected
Grade Distribution
How St. Joseph cities scored
A
3
38%
Excellent
B
2
25%
Good
C
2
25%
Fair
D
0
0%
Poor
F
1
13%
Failing
Comparison
County vs Indiana average
▼ 3.9 pts below state average
City Map
Water quality across St. Joseph
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in St. Joseph
County context
90.2%
of residents on fluoridated water (CDC, 2020)
Full Rankings
All 8 cities in St. Joseph
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | North Liberty | A- | 89.5 | 2K | 40 | Health Unresolved | |
| 2 | Lakeville | A- | 88.5 | 750 | 12 | Health Unresolved | |
| 3 | Walkerton | A- | 87.1 | 2K | 71 | Unresolved | |
| 4 | Granger | B+ | 82.7 | 670 | 56 | Health Unresolved | |
| 5 | Notre Dame | B | 77.6 | 10K | 34 | Health PFAS Unresolved | |
| 6 | Mishawaka | C+ | 67.3 | 50K | 90 | Health PFAS Unresolved | |
| 7 | New Carlisle | C | 61.9 | 2K | 106 | Health Unresolved | |
| 8 | South Bend | F | 39.3 | 115K | 408 | Health PFAS Unresolved |