Wastewater Disposal Solutions Severn Trent Services manufactures and sells its market-leading line of evaporators: the Samsco Water Evaporator II and the Samsco WasteSaver™. Both are designed to process complex, blended wastewater chemistries and to provide consistent operation, high efficiency, and ease of maintenance. Integrated process controls maximize reduction-in-volume (typically in the range of 90-99%) at a typical cost of $.02 to $.06 per gallon. Both systems incorporate redundant safety sensors and three-stage, mist-eliminating foam control. Typical applications include: Vehicle Wash Water, Pressure Washing, Steam Cleaning, Parts Washer Waste, Engine Cleaning, Physical Plant Maintenance Waters, and Air Compressor Blow Down.