How much does a Wastewater Treatment Plant Superintendent make in Marshfield, MA? (2025)
As of August 01, 2025, Wastewater Treatment Plant Superintendents in Marshfield, MA earn an average annual salary of $119,479 with an hourly rate of $57. Salary ranges from $92,729 (10th percentile) to $140,828 (90th percentile), with the majority earning between $105,477 (25th percentile) and $130,653 (75th percentile). Compensation varies based on experience, skills, company size, and local market factors - all explored below.