There are 2 Environmental Engineers in St. Clair County, Illinois, serving a population of 264,433 people in an area of 658 square miles. There is 1 Environmental Engineer per 132,216 people, and 1 Environmental Engineer per 328 square miles.
In Illinois, St. Clair County is ranked 28th of 102 counties in Environmental Engineers per capita, and 18th of 102 counties in Environmental Engineers per square mile.
Find addresses, phone numbers, fax numbers, hours & services for St. Clair County Environmental Engineers.
Environmental Services 19 Public Square Suite 200 Belleville, IL
SCS Engineers 13 Executive Drive Fairview Heights, IL