Monitored water quality and adjusted chemical dosages to meet regulatory standards.• Disinfected water with chemicals such as ammonia and chlorine in exact concentrations.• Maintained safe working conditions by adhering to established safety guidelines during all aspects of job performance.• Maintained accurate records of treatment processes, equipment performance, and laboratory analyses to support regulatory documentation requirements.• Completed laboratory testing to measure pH levels and other water quality parameters.• Controlled operation of variety of water treatment plant equipment, including pumps, filters and chemical feed systems.