There are 28 Pollution Control Companies in North Dakota, serving a population of 745,475 people in an area of 68,983 square miles. There is 1 Pollution Control Company per 26,624 people, and 1 Pollution Control Company per 2,463 square miles.
The state of North Dakota is ranked 11th in Pollution Control Companies per capita, and 49th in Pollution Control Companies per square mile.