87.1
County avg score
11
Cities ranked
100%
A or B grade
0%
D or F grade
6
Health violations
1
PFAS detected
Grade Distribution
How Madison cities scored
A
10
91%
Excellent
B
1
9%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs New York average
▲ 5.5 pts above state average
City Map
Water quality across Madison
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Madison
County context
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Madison
Industrial polluters nearby
Facilities reporting the most surface-water releases in Madison, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
IWG NEST LLC- CANASTOTA CANASTOTA, NY13032 | — | — |
KNOWLES CAPACITORS CAZENOVIA, NY13035 | — | — |
CPP-SYRACUSE CHITTENANGO, NY13037 | — | — |
MARQUARDT SWITCHES INC CAZENOVIA, NY13035 | — | — |
CALLANAN INDUSTRIES INC. OXBOW FACILITY CLOCKVILLE, NY13043 | — | — |
+ 3 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 11 cities in Madison
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Hamilton (V) | A | 91.9 | 4K | 42 | Unresolved | |
| 2 | Oneida (C) | A | 91.5 | 11K | 13 | Health Unresolved | |
| 3 | Oneida Castle (V) | A | 91.5 | 11K | 13 | Health Unresolved | |
| 4 | Morrisville (V) | A- | 89.1 | 2K | 4 | Unresolved | |
| 5 | Nelson (T) | A- | 88 | 595 | 47 | Health Unresolved | |
| 6 | Earlville (V) | A- | 87.5 | 545 | 4 | Unresolved | |
| 7 | Deruyter (V) | A- | 87.4 | 558 | 8 | Unresolved | |
| 8 | Munnsville (V) | A- | 86.9 | 600 | 8 | Health Unresolved | |
| 9 | Cazenovia (V) | A- | 86.2 | 3K | 1 | Unresolved | |
| 10 | Cazenovia (T) | A- | 86 | 635 | 33 | Health Unresolved | |
| 11 | New York | B- | 72.2 | 655 | 55 | Health Unresolved |