Middlesex Water Quality Report
14 cities ranked · Average grade: C · New Jersey
Avg Score
64.3
Cities Ranked
14
Health Violations
14
PFAS Detected
13
64.3
County avg score
14
Cities ranked
50%
A or B grade
36%
D or F grade
14
Health violations
13
PFAS detected
Grade Distribution
How Middlesex cities scored
A
0
0%
Excellent
B
7
50%
Good
C
2
14%
Fair
D
1
7%
Poor
F
4
29%
Failing
Comparison
County vs New Jersey average
▼ 6.1 pts below state average
City Map
Water quality across Middlesex
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Middlesex
County context
14
Superfund sites in Middlesex
324
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Middlesex
Industrial polluters nearby
Facilities reporting the most surface-water releases in Middlesex, 2023.
Total reported releases to surface water: 324 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
FIRMENICH INC PLAINSBORO, NJ08536 | 1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexamethylcyclopenta[g]-2-benzopyran | 213 |
V&S AMBOY GALVANIZING LLC PERTH AMBOY, NJ08861 | Zinc compounds | 89 |
SEWAREN TERMINAL SEWAREN, NJ07077 | Xylene (mixed isomers) | 18 |
AMES ADVANCED MATERIALS CORP SOUTH PLAINFIELD, NJ07080 | Silver And Silver Compounds | 4 |
PRIDE SOLVENTS & CHEMICAL CO OF NEW JERSEY AVENEL, NJ07001 | — | — |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Middlesex
Superfund sites nearby
Federally tracked hazardous-waste sites within Middlesex on the EPA National Priorities List.
- ATLANTIC RESOURCES
- CHEMICAL INSECTICIDE CORP
- CHEMSOL INC
- CORNELL DUBILIER ELECTRONICS INC
- CPS MADISON INDUSTRIES
+ 9 more sites
Source: EPA Superfund National Priorities List
Full Rankings
All 14 cities in Middlesex
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Highland Park Boro-1207 | B+ | 84.5 | 14K | 9 | Health PFAS Unresolved | |
| 2 | Helmetta Boro-1206 | B+ | 83.1 | 2K | 41 | Health Unresolved | |
| 3 | Woodbridge Twp.-1225 | B | 78.8 | 233K | 63 | Health PFAS Unresolved | |
| 4 | Franklin Twp.-1808 | B | 78.5 | 45K | 78 | Health PFAS Unresolved | |
| 5 | Spotswood Boro-1224 | B | 78.5 | 8K | 52 | Health PFAS Unresolved | |
| 6 | Sayreville Boro-1219 | B | 77.7 | 45K | 82 | Health PFAS Unresolved | |
| 7 | Edison Twp.-1205 | B- | 73.8 | 35K | 25 | Health PFAS Unresolved | |
| 8 | Old Bridge Twp.-1209 | C+ | 65.9 | 77K | 183 | Health PFAS Unresolved | |
| 9 | Perth Amboy City--1216 | C+ | 65.3 | 52K | 98 | Health PFAS Unresolved | |
| 10 | New Brunswick City-1214 | D+ | 50.4 | 55K | 243 | Health PFAS Unresolved | |
| 11 | South River Boro-1223 | F | 44.2 | 16K | 47 | Health PFAS Unresolved | |
| 12 | Milltown Boro-1212 | F | 41.5 | 7K | 68 | Health PFAS Unresolved | |
| 13 | North Brunswick Twp.-1215 | F | 40.5 | 51K | 124 | Health PFAS Unresolved | |
| 14 | East Brunswick Twp.-1204 | F | 38.1 | 55K | 99 | Health PFAS Unresolved |