Polk Water Quality Report
11 cities ranked · Average grade: A- · Wisconsin
Avg Score
85.5
Cities Ranked
11
Health Violations
9
PFAS Detected
0
85.5
County avg score
11
Cities ranked
100%
A or B grade
0%
D or F grade
9
Health violations
0
PFAS detected
Grade Distribution
How Polk cities scored
A
7
64%
Excellent
B
4
36%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Wisconsin average
▲ 7.5 pts above state average
City Map
Water quality across Polk
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Polk
Worst cities
County context
43.6%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Polk
Industrial polluters nearby
Facilities reporting the most surface-water releases in Polk, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
FOREMOST FARMS USA CLAYTON, WI54004 | — | — |
ADVANCED FOOD PRODUCTS LLC CLEAR LAKE, WI54005 | — | — |
CRM - DRESSER OSCEOLA, WI54020 | — | — |
WISCONSIN WHEY PROTEIN TURTLE LAKE, WI54889 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 11 cities in Polk
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Clear Lake | A | 93.2 | 1K | 67 | Health Unresolved | |
| 2 | Balsam Lake | A | 90.6 | 1K | 12 | Health Unresolved | |
| 3 | Dresser | A | 90.4 | 936 | 8 | Health Unresolved | |
| 4 | Milltown | A | 90.4 | 915 | 14 | Health Unresolved | |
| 5 | Frederic | A- | 89 | 1K | 8 | Unresolved | |
| 6 | Centuria | A- | 87.4 | 900 | 7 | Unresolved | |
| 7 | Luck | A- | 85.8 | 1K | 2 | Health Unresolved | |
| 8 | St Croix Falls | B+ | 83.2 | 2K | 3 | Health Unresolved | |
| 9 | Amery | B | 79.6 | 3K | 12 | Health Unresolved | |
| 10 | Osceola | B | 77 | 3K | 54 | Health Unresolved | |
| 11 | Clayton | B- | 73.7 | 765 | 5 | Health Unresolved |