The Public Works Department is administered by the City of Lewiston, Idaho. Its engineering division offers traffic studies, infrastructure planning, review of new development plans, improvement of stormwater and sanitary sewers, and design and construction of capital project services. The department s solid waste services division provides waste generation, reuse, recycle and final disposal services. The Public Works Department maintains public street systems, alleys, storm-water drainage, and clean paved road surfaces. It also maintains pavement markings, city-owned street lights, and traffic signals and control signage. The department s water and wastewater services include a quality laboratory, treatment plants, industrial pretreatment activities, and maintenance and distribution systems. The Public Works Department maintains a location in Lewiston, Idaho.