2 plants indexed.
ALTAMONT STP NORTH is a secondary wastewater treatment plant in Altamont, Illinois, serving a population of 704. It discharges treated effluent into local waterways, supporting the Kaskaskia River basin.
Altamont STP South serves the community of Altamont, Illinois, treating municipal wastewater for a population of approximately 1,615. The plant operates under the U.S. Clean Water Act framework.