treatment plant performed

Water and Wastewater Treatment Plant and System Operators ...- treatment plant performed ,Water and wastewater treatment plant and system operators work both indoors and outdoors. Their work is physically demanding and usually is performed in locations that are unclean or difficult to access.Testing protocol shows new water treatment plant at ...The new treatment plant came online June 20, 2016. For the rest of that year, 48 samples showed multiple positive results, but none after September. Tests didn't indicate any multiple positive ...