Under the general supervision of the Foreman, starts, stops, and adjusts the operation of all equipment as necessary for proper operation of the waste treatment plant and the domestic and cooling water treatment plants. At the water treatment plant, collects samples, runs prescribed chemical tests such as hardness, pH, turbidity, sludge percent chlorine residual, etc. and adjusts equipment as indicated by test results to maintain prescribed quality of water. Calculated daily consumption of water, chemicals, dosages, etc. Equipment includes all pumps, filters, chemical feeders, chlorinators, air compressors, agitators, valves, scrapers, deionizers, sludge scraper and blowoff, automatic controls and related equipment. At the waste treatment plant, pumps sludge at prescribed intervals, collects and composites waste water samples from influent and effluent flows as directed. Runs prescribed operational tests on samples including residual chlorine, pH, slide %, suspended solids, B.O.D. samp...