There are 254 Pollution Control Companies in Colorado, serving a population of 5,436,519 people in an area of 103,614 square miles. There is 1 Pollution Control Company per 21,403 people, and 1 Pollution Control Company per 407 square miles.
The state of Colorado is ranked 7th in Pollution Control Companies per capita, and 30th in Pollution Control Companies per square mile.