2 plants indexed.
COSTILLA CO WSD is a secondary wastewater treatment plant in Costilla County, Colorado, serving 690 people. It discharges 302.83 megaliters annually and operates under U.S. EPA and Colorado state regulations.
San Luis Lagoons is a secondary wastewater treatment plant in Costilla County, Colorado, serving 739 people. It discharges treated water into the local watershed, supporting the region's water quality.