St. Croix Water Quality Report
9 cities ranked · Average grade: B+ · Wisconsin
Avg Score
84.4
Cities Ranked
9
Health Violations
8
PFAS Detected
1
84.4
County avg score
9
Cities ranked
100%
A or B grade
0%
D or F grade
8
Health violations
1
PFAS detected
Grade Distribution
How St. Croix cities scored
A
6
67%
Excellent
B
3
33%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Wisconsin average
▲ 6.4 pts above state average
City Map
Water quality across St. Croix
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in St. Croix
Worst cities
County context
70.3%
of residents on fluoridated water (CDC, 2020)
Full Rankings
All 9 cities in St. Croix
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Baldwin | A | 92.3 | 4K | 5 | Health Unresolved | |
| 2 | Hammond | A | 90.7 | 2K | 9 | Health Unresolved | |
| 3 | Star Prairie | A | 90 | 553 | 19 | Health Unresolved | |
| 4 | Glenwood City | A- | 88.4 | 1K | 6 | Unresolved | |
| 5 | Woodville | A- | 87.4 | 1K | 8 | Health Unresolved | |
| 6 | Roberts | A- | 85.2 | 2K | 3 | Health Unresolved | |
| 7 | New Richmond | B | 78 | 11K | 42 | Health Unresolved | |
| 8 | Hudson | B | 75.7 | 18K | 18 | Health Unresolved | |
| 9 | Somerset | B- | 72.1 | 3K | 47 | Health Unresolved |