74.5
County avg score
7
Cities ranked
71%
A or B grade
0%
D or F grade
6
Health violations
0
PFAS detected
Grade Distribution
How Putnam cities scored
A
2
29%
Excellent
B
3
43%
Good
C
2
29%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs New York average
▼ 7.1 pts below state average
City Map
Water quality across Putnam
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Putnam
County context
2
Superfund sites in Putnam
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Putnam
Industrial polluters nearby
Facilities reporting the most surface-water releases in Putnam, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
BREWSTER TRANSIT MIX BREWSTER, NY10509 | — | — |
DUNMORE INTERNATIONAL CORP BREWSTER, NY10509 | — | — |
LAMOTHERMIC CORP BREWSTER, NY10509 | — | — |
MATERION ADVANCED MATERIALS TECHNOLOGIES & SERVICES BREWSTER, NY10509 | — | — |
ENVIRO WASTE MAHOPAC, NY10541 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Putnam
Superfund sites nearby
Federally tracked hazardous-waste sites within Putnam on the EPA National Priorities List.
- ARSENIC MINE
- BREWSTER WELL FIELD
Source: EPA Superfund National Priorities List
Full Rankings
All 7 cities in Putnam
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Putnam Valley (T) | A- | 87.4 | 530 | 49 | Health Unresolved | |
| 2 | Cold Spring (V) | A- | 86.2 | 3K | 40 | Health Unresolved | |
| 3 | Brewster (V) | B+ | 82.6 | 2K | 3 | Unresolved | |
| 4 | Philipstown (T) | B- | 71.5 | 3K | 157 | Health Unresolved | |
| 5 | Southeast (T) | B- | 70.1 | 2K | 243 | Health Unresolved | |
| 6 | Kent (T) | C | 64.4 | 938 | 158 | Health Lead Unresolved | |
| 7 | Patterson (T) | C- | 59.5 | 2K | 263 | Health Unresolved |