• The average pay for Water Treatment jobs in WA is $82K per year. • Entry-level positions start at $40K per year, while the most experienced workers can earn up to $100K per year. • 5 companies are currently advertising Water Treatment jobs in WA including City of Bunbury, Allstar Recruitment Group, National Pump & Energy, Integra Water Treatment Solutions and Water Quality. • Top skills include DESIGNING WASTE, OPERATIONS, PUMPS, TIME MANAGEMENT and MICROSOFT OFFICE.