Sauk Water Quality Report
11 cities ranked · Average grade: B · Wisconsin
Avg Score
78.1
Cities Ranked
11
Health Violations
8
PFAS Detected
1
78.1
County avg score
11
Cities ranked
82%
A or B grade
0%
D or F grade
8
Health violations
1
PFAS detected
Grade Distribution
How Sauk cities scored
A
3
27%
Excellent
B
6
55%
Good
C
2
18%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Wisconsin average
▲ 0.1 pts above state average
City Map
Water quality across Sauk
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Sauk
County context
1
Superfund site in Sauk
87.2%
of residents on fluoridated water (CDC, 2020)
101
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Sauk
Industrial polluters nearby
Facilities reporting the most surface-water releases in Sauk, 2023.
Total reported releases to surface water: 101 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
MILWAUKEE VALVE CO LLC PRAIRIE DU SAC, WI53578 | Copper | 88 |
SAPUTO CHEESE USA INC. REEDSBURG, WI53959 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 13 |
COATING PLACE INC. SAUK CITY SAUK CITY, WI53583 | — | — |
CARDINAL ROTAR SPRING GREEN, WI53588 | — | — |
CARDINAL GLASS SPRING GREEN, WI53588 | — | — |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Sauk
Superfund sites nearby
Federally tracked hazardous-waste sites within Sauk on the EPA National Priorities List.
- SAUK COUNTY LANDFILL
Source: EPA Superfund National Priorities List
Full Rankings
All 11 cities in Sauk
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Lake Delton | A- | 86.7 | 3K | 14 | Health Unresolved | |
| 2 | West Baraboo | A- | 85.9 | 1K | 2 | Unresolved | |
| 3 | Sauk City | A- | 85.8 | 4K | 5 | Unresolved | |
| 4 | North Freedom | B+ | 84.6 | 589 | 8 | Health Unresolved | |
| 5 | Plain | B+ | 82 | 792 | 7 | Health Unresolved | |
| 6 | Reedsburg | B+ | 81.1 | 10K | 39 | Health Unresolved | |
| 7 | Merrimac | B+ | 80.3 | 547 | 55 | Health Unresolved | |
| 8 | Baraboo | B | 75 | 13K | 202 | Unresolved | |
| 9 | La Valle | B- | 70.5 | 618 | 82 | Health Unresolved | |
| 10 | Prairie Du Sac | C+ | 66.1 | 5K | 47 | Health Unresolved | |
| 11 | Spring Green | C | 61.5 | 2K | 85 | Health Unresolved |