For indefinite periods of time - mobility within an office and field environment; exposure to chemical, dust/mites, fume, odor, explosive, electrical and mechanical hazards; exposure to extreme cold, heat, height, depths and constant noise; walking; twisting body; stooping; standing; squatting; sitting; seeing; running; pushing, pulling, lifting, dragging, and carrying up to 25 pounds; kneeling; reading; decision making; reaching above shoulder level; using both hands for simple and firm grasping; clarity of hearing; communicating clearly and effectively, in person and by two-way radio; fine finger manipulation for writing and typing on a personal computer; operation of a dump truck and a motor vehicle through city traffic. To manage, supervise, and direct the construction, maintenance, repair and upkeep of water distribution, water production, wastewater treatment and wastewater collection systems; and to provide professional and technical staff assistance to the Department Director and Assistant Director.