Wastewater Collection System Supervisor salary at Modesto

The average wastewater collection system supervisor salary at Modesto was $90,035 , which is 12 percent lower than the average salary for this job in California, but 20 percent higher than the national average for this job . Wastewater Collection System Supervisor salaries at Modesto typically range from $86,441 to $92,020 (25th to 75th percentile). The highest reported wastewater collection system supervisor salary was $92,020. There are 3 employees at Modesto with the job title wastewater collection system supervisor.