3 plants indexed.
Crystal Lake STP 1&2 serves approximately 78,000 residents in Crystal Lake, Illinois. The plant operates under the U. S. Clean Water Act, which mandates secondary treatment for municipal wastewater.
Crystal Lake STP 3 serves 1,832 residents in Crystal Lake, Illinois. The plant operates under the US Clean Water Act framework for small agglomerations.
McHenry South WWTP serves Crystal Lake, Illinois, treating wastewater for approximately 15,000 residents. The plant operates under U.S. EPA and Illinois EPA regulations for surface water discharge.