Wastewater Treatment Plant Operator salary at Chico

The average wastewater treatment plant operator salary at Chico was $115,109 , which is 9 percent lower than the average salary for this job in California, but 111 percent higher than the national average for this job . Wastewater Treatment Plant Operator salaries at Chico typically range from $66,730 to $188,561 (25th to 75th percentile). The highest reported wastewater treatment plant operator salary was $190,196. There are 7 employees at Chico with the job title wastewater treatment plant operator.