In 2017, according to data reported to the state DEP on industrial sources of air pollution, 

Covanta Plymouth released: 

1,043,624 TONS of greenhouse gases (CO2 equivalents)

2,473,256 pounds of Nitrogen Oxides (NOx) 

772,147 pounds of Carbon Monoxide (CO) 

177,200 pounds of Sulfur Oxides (SOx)

120,940 pounds of Particulate Matter (PM10)85,980 pounds of Fine Particulate Matter (PM2.5) 

16,685 pounds of Hydrochloric Acid

13,080 pounds of Volatile Organic Compounds (VOCs) 

43 pounds of Mercury (19,504 grams) 

38 pounds of Lead 

24 pounds of Nickel 

9 pounds of Chromium

8 pounds of Cadmium 

6 pounds of Arsenic


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  • Delaware County recently received an “F” grade from the American Lung Association for smog in their 2019 State of the Air report. 
  • The Asthma and Allergy Foundation ranked the Philadelphia metro area as the 4th worst place for asthma.
  • Philadelphia has the highest cancer rate of any major city in the U.S. Covanta is the 8th largest air polluter in the 7-county area surrounding Philadelphia.

COVANTA HEALTH IMPACTS FACT SHEET