Jefferson Water Quality Report
30 cities ranked · Average grade: A- · New York
Avg Score
85.8
Cities Ranked
30
Health Violations
20
PFAS Detected
2
85.8
County avg score
30
Cities ranked
97%
A or B grade
0%
D or F grade
20
Health violations
2
PFAS detected
Grade Distribution
How Jefferson cities scored
A
21
70%
Excellent
B
8
27%
Good
C
1
3%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs New York average
▲ 5.1 pts above state average
City Map
Water quality across Jefferson
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Jefferson
County context
2
Superfund sites in Jefferson
11,061
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Jefferson
Industrial polluters nearby
Facilities reporting the most surface-water releases in Jefferson, 2023.
Total reported releases to surface water: 11,061 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
GREAT LAKES CHEESE OF NY INC. ADAMS, NY13605 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 7,440 |
HP HOOD LLC LAFARGEVILLE, NY13656 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 3,621 |
GRIFFITH ENERGY - WATERTOWN WATERTOWN, NY13601 | — | — |
KNOWLTON TECHNOLOGIES LLC WATERTOWN, NY13601 | — | — |
NEW YORK AIR BRAKE LLC WATERTOWN, NY13601 | — | — |
+ 4 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Jefferson
Superfund sites nearby
Federally tracked hazardous-waste sites within Jefferson on the EPA National Priorities List.
- BLACK RIVER PCBS
- CROWN CLEANERS OF WATERTOWN INC
Source: EPA Superfund National Priorities List
Full Rankings
All 30 cities in Jefferson
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Alexandria Bay (V) | A+ | 95.8 | 2K | 2 | ||
| 2 | Clayton (V) | A+ | 95.7 | 2K | 1 | ||
| 3 | Ellisburg (T) | A | 94.9 | 2K | 1 | Health | |
| 4 | Cape Vincent (T) | A | 93 | 3K | 0 | Zero violations | |
| 5 | Antwerp (V) | A | 92.6 | 900 | 13 | Health Unresolved | |
| 6 | Alexandria Bay | A | 92.4 | 500 | 4 | Health | |
| 7 | Evans Mills (V) | A | 92.1 | 644 | 7 | Health Unresolved | |
| 8 | Adams (T) | A | 90.5 | 3K | 10 | Unresolved | |
| 9 | Sackets Harbor (V) | A | 90.4 | 2K | 3 | Health Unresolved | |
| 10 | Champion (T) | A | 90.1 | 1K | 3 | Health | |
| 11 | Brownville (T) | A- | 89.8 | 740 | 7 | Health Unresolved | |
| 12 | Chaumont (V) | A- | 89.4 | 625 | 3 | Health Unresolved | |
| 13 | Theresa (V) | A- | 88.6 | 950 | 3 | Unresolved | |
| 14 | Brownville (V) | A- | 88.3 | 1K | 14 | ||
| 15 | Glen Park (V) | A- | 87.7 | 500 | 5 | ||
| 16 | Orleans (T) | A- | 87 | 1K | 5 | Unresolved | |
| 17 | Black River | A- | 86.8 | 2K | 2 | Health Unresolved | |
| 18 | Alexandria (T) | A- | 86.4 | 548 | 6 | Health Unresolved | |
| 19 | Dexter (V) | A- | 85.9 | 1K | 15 | Health Unresolved | |
| 20 | West Carthage (V) | A- | 85.1 | 2K | 14 | Health Unresolved | |
| 21 | Cape Vincent (V) | A- | 85.1 | 2K | 5 | Health | |
| 22 | Philadelphia (V) | B+ | 84.6 | 2K | 1 | Health Unresolved | |
| 23 | Black River (V) | B+ | 82.7 | 2K | 1 | Unresolved | |
| 24 | Leray (T) | B+ | 80.9 | 41K | 7 | Health Unresolved | |
| 25 | Henderson (T) | B | 78.2 | 700 | 3 | Unresolved | |
| 26 | Watertown (T) | B | 76.8 | 2K | 32 | Health Unresolved | |
| 27 | Watertown (C) | B | 75.6 | 28K | 22 | Health PFAS Unresolved | |
| 28 | Hounsfield (T) | B- | 74.8 | 1K | 37 | Health Unresolved | |
| 29 | Carthage (V) | B- | 71.3 | 4K | 39 | Health Unresolved | |
| 30 | Pamelia (T) | C | 62.2 | 1K | 101 | Health Unresolved |