There are 255 Pollution Control Companies in Massachusetts, serving a population of 6,789,319 people in an area of 7,800 square miles. There is 1 Pollution Control Company per 26,624 people, and 1 Pollution Control Company per 30 square miles.
The state of Massachusetts is ranked 12th in Pollution Control Companies per capita, and 3rd in Pollution Control Companies per square mile.