Many electrical utilities are subject to the United States Environmental Protection Agency’s (EPA) Spill Prevention Control and Countermeasure (SPCC) regulation. Secondary containment or diversionary structures must be in place to control oil contaminated drainage or leaks around electrical equipment and associated storage tanks, pipelines, valves and connection joints. For these purposes, many facilities use dikes and underground wastewater storage tanks for protection against environmental discharges and for fire protection. These systems called Closed Drainage Systems. Click here to read about Highland Tank’s solutions for closed drainage systems.