72.6
County avg score
30
Cities ranked
70%
A or B grade
20%
D or F grade
12
Health violations
29
PFAS detected
Grade Distribution
How Union cities scored
A
1
3%
Excellent
B
20
67%
Good
C
3
10%
Fair
D
2
7%
Poor
F
4
13%
Failing
Comparison
County vs New Jersey average
▲ 2.0 pts above state average
City Map
Water quality across Union
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Union
County context
2
Superfund sites in Union
2,604,671
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Union
Industrial polluters nearby
Facilities reporting the most surface-water releases in Union, 2023.
Total reported releases to surface water: 2,604,671 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
PHILLIPS 66 CO-BAYWAY REFINERY LINDEN, NJ07036 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 2,602,357 |
INFINEUM USA LP-BAYWAY CHEMICAL PLANT LINDEN, NJ07036 | Zinc compounds | 2,130 |
GULF OIL LP LINDEN TERMINAL LINDEN, NJ07036 | Naphthalene | 93 |
ACUPOWDER INTERNATIONAL LLC UNION, NJ07083 | Copper | 91 |
CITGO PETROLEUM CORP LINDEN, NJ07036 | Lead And Lead Compounds | 0 |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Union
Superfund sites nearby
Federally tracked hazardous-waste sites within Union on the EPA National Priorities List.
- CHEMICAL CONTROL
- LCP CHEMICALS INC
Source: EPA Superfund National Priorities List
Full Rankings
All 30 cities in Union
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Winfield Twp.-2021 | A- | 89.7 | 2K | 40 | Health Unresolved | |
| 2 | Bedminster Twp.-1801 | B+ | 83.8 | 217K | 22 | PFAS Unresolved | |
| 3 | Berkeley Heights Twp.-2001 | B+ | 83.8 | 217K | 22 | PFAS Unresolved | |
| 4 | Bernards Twp.-1802 | B+ | 83.8 | 217K | 22 | PFAS Unresolved | |
| 5 | Far Hills Boro-1807 | B+ | 83.8 | 217K | 22 | PFAS Unresolved | |
| 6 | Franklin Twp.-2105 | B+ | 83.8 | 217K | 22 | PFAS Unresolved | |
| 7 | Maplewood Twp.-0711 | B+ | 83.8 | 217K | 22 | PFAS Unresolved | |
| 8 | Mendham Boro-1418 | B+ | 83.8 | 217K | 22 | PFAS Unresolved | |
| 9 | Millburn Twp.-0712 | B+ | 83.8 | 217K | 22 | PFAS Unresolved | |
| 10 | New Providence Boro-2011 | B+ | 83.8 | 217K | 22 | PFAS Unresolved | |
| 11 | Springfield Twp.-2017 | B+ | 83.8 | 217K | 22 | PFAS Unresolved | |
| 12 | Summit City-2018 | B+ | 83.8 | 217K | 22 | PFAS Unresolved | |
| 13 | Union Twp-.2019 | B+ | 83.8 | 217K | 22 | PFAS Unresolved | |
| 14 | Warren Twp.-1820 | B+ | 83.8 | 217K | 22 | PFAS Unresolved | |
| 15 | Chester Twp.-1407 | B+ | 82.6 | 217K | 45 | PFAS Unresolved | |
| 16 | Frenchtown Boro-1011 | B+ | 81.2 | 217K | 93 | PFAS Unresolved | |
| 17 | Belvidere Town-2103 | B+ | 80.6 | 217K | 41 | PFAS Unresolved | |
| 18 | Bernardsville Boro-1803 | B+ | 80.3 | 217K | 45 | PFAS Unresolved | |
| 19 | South Orange Village-0719 | B | 79.1 | 17K | 54 | Health PFAS Unresolved | |
| 20 | Rahway City-2013 | B | 78.2 | 27K | 26 | Health PFAS Unresolved | |
| 21 | North Caldwell Boro-0715 | B- | 72.3 | 6K | 72 | Health PFAS Unresolved | |
| 22 | Livingston Twp.-0710 | C | 62.6 | 27K | 163 | Health PFAS Unresolved | |
| 23 | Elizabeth City- 2004 | C- | 59 | 615K | 479 | Health PFAS Unresolved | |
| 24 | Florham Park Boro-1411 | C- | 57.6 | 9K | 162 | PFAS Unresolved | |
| 25 | Mendham Twp.-1419 | D+ | 54.4 | 217K | 412 | Health PFAS Unresolved | |
| 26 | Chatham Boro-1404 | D+ | 50.6 | 217K | 428 | Health PFAS Unresolved | |
| 27 | Harding Twp.-1413 | F | 43.6 | 217K | 439 | Health PFAS Unresolved | |
| 28 | Monroe Twp.-1213 | F | 41.8 | 615K | 574 | Health PFAS Unresolved | |
| 29 | Oxford Twp.-2117 | F | 39.9 | 217K | 147 | Health PFAS Unresolved | |
| 30 | Mount Olive Twp.-1427 | F | 35.1 | 217K | 2195 | Health PFAS Unresolved |