Choose from a selection of decontamination shower pumps from Grainger. They are a reliable and cost-effective way to remove wastewater that is corrosive and abrasive. There are electric water pumps, hand pumps for decon decks, waste pumps and waste water pumps. Electric water pumps are an efficient way to pump wastewater using a standard garden hoses. Waste pumps are designed for decon shower decontamination showers and accessories.