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The differences between wastewater treatment plant supervisors and assistant plant managers can be seen in a few details. Each job has different responsibilities and duties. While it typically takes 6-12 months to become a wastewater treatment plant supervisor, becoming an assistant plant manager takes usually requires 1-2 years. Additionally, an assistant plant manager has an average salary of $85,755, which is higher than the $54,948 average annual salary of a wastewater treatment plant supervisor.
The top three skills for a wastewater treatment plant supervisor include treatment processes, process control and water treatment. The most important skills for an assistant plant manager are safety program, OSHA, and plant operations.
| Wastewater Treatment Plant Supervisor | Assistant Plant Manager | |
| Yearly salary | $54,948 | $85,755 |
| Hourly rate | $26.42 | $41.23 |
| Growth rate | -7% | 3% |
| Number of jobs | 11,675 | 20,560 |
| Job satisfaction | - | - |
| Most common degree | Bachelor's Degree, 55% | Bachelor's Degree, 63% |
| Average age | 47 | 48 |
| Years of experience | 12 | 2 |
Wastewater treatment plant supervisors and assistant plant managers have different pay scales, as shown below.
| Wastewater Treatment Plant Supervisor | Assistant Plant Manager | |
| Average salary | $54,948 | $85,755 |
| Salary range | Between $32,000 And $93,000 | Between $58,000 And $126,000 |
| Highest paying City | - | Berkeley, CA |
| Highest paying state | - | California |
| Best paying company | - | Cirrus Aircraft |
| Best paying industry | - | - |
There are a few differences between a wastewater treatment plant supervisor and an assistant plant manager in terms of educational background:
| Wastewater Treatment Plant Supervisor | Assistant Plant Manager | |
| Most common degree | Bachelor's Degree, 55% | Bachelor's Degree, 63% |
| Most common major | Environmental Control Technologies/Technicians | Business |
| Most common college | Stanford University | Northwestern University |
Here are the differences between wastewater treatment plant supervisors' and assistant plant managers' demographics:
| Wastewater Treatment Plant Supervisor | Assistant Plant Manager | |
| Average age | 47 | 48 |
| Gender ratio | Male, 98.0% Female, 2.0% | Male, 90.2% Female, 9.8% |
| Race ratio | Black or African American, 7.6% Unknown, 4.6% Hispanic or Latino, 12.3% Asian, 1.8% White, 71.1% American Indian and Alaska Native, 2.6% | Black or African American, 4.0% Unknown, 3.9% Hispanic or Latino, 13.7% Asian, 8.2% White, 69.7% American Indian and Alaska Native, 0.5% |
| LGBT Percentage | 5% | 8% |