Assistant Commissioner EngineeringSalary: $88,936 - $223,761 The NYC Department of Environmental Protection (DEP) enriches the environment and protects public health for all New Yorkers by providing over 1 billion gallons of high-quality drinking water, managing wastewater and stormwater, and reducing air, noise, and hazardous materials pollution. DEP is the largest combined municipal water and wastewater utility in the country, with nearly 6,000 employees. DEP's water supply system is comprised of 19 reservoirs and 3 controlled lakes throughout the system’s 2,000 square mile watershed that extends 125 miles north and west of the city.  The Bureau of Wastewater Treatment (BWT) is responsible for the operation