Oconto Water Quality Report
5 cities ranked · Average grade: B+ · Wisconsin
Avg Score
84.4
Cities Ranked
5
Health Violations
4
PFAS Detected
1
84.4
County avg score
5
Cities ranked
100%
A or B grade
0%
D or F grade
4
Health violations
1
PFAS detected
Grade Distribution
How Oconto cities scored
A
2
40%
Excellent
B
3
60%
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 Oconto
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Oconto
Best cities
Worst cities
County context
46.1%
of residents on fluoridated water (CDC, 2020)
3,478
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Oconto
Industrial polluters nearby
Facilities reporting the most surface-water releases in Oconto, 2023.
Total reported releases to surface water: 3,478 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
BELGIOIOSO - CHASE PULASKI, WI54162 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 1,783 |
ST PAPER-OCONTO FALLS OCONTO FALLS, WI54154 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 1,695 |
CARFAIR COMPOSITES USA INC - GILLETT GILLETT, WI54124 | — | — |
SAPUTO CHEESE USA INC LENA, WI54139 | — | — |
KCS INTERNATIONAL INC CRUISERS YACHTS DIV PLANT 2 OCONTO, WI54153 | — | — |
+ 1 more facility
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 5 cities in Oconto
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Gillett | A | 94.1 | 1K | 12 | Unresolved | |
| 2 | Oconto | A- | 86.5 | 5K | 9 | Health Unresolved | |
| 3 | Oconto Falls | B+ | 84.1 | 3K | 28 | Health Unresolved | |
| 4 | Lena | B+ | 83.1 | 585 | 8 | Health Unresolved | |
| 5 | Suring | B- | 74.2 | 659 | 35 | Health Unresolved |