Waste Water Plant Operator salary in Japan

Average Yearly Salary of Waste Water Plant Operator in Japan is approximately 5,392,451 JPY (34,898 USD). Data is for 2025 and indicates a pre-tax value. The salary itself depends on multiple factors such as seniority, job performance, certifications, experience or any other bonuses. The value indicated is an average amount based on records we have in database. Real values may vary. The data is for orientational purposes.

What does Waste Water Plant Operator do?

A wastewater plant operator is responsible for the operation and maintenance of wastewater treatment facilities. Their primary role is to ensure that wastewater is treated properly before being released back into the environment. They monitor and control equipment and processes, including pumps, valves, and chemical dosing systems, to ensure optimal performance. They also perform regular inspections, collect samples, and conduct tests to ensure compliance with regulatory standards. Wastewater plant operators are responsible for troubleshooting and addressing any issues or malfunctions that may arise. They also maintain records and prepare reports on plant operations, including water quality, chemical usage, and equipment performance. Additionally, they may be required to perform routine maintenance tasks such as cleaning filters, lubricating equipment, and replacing worn-out parts.

Skills: wastewater treatment, water quality, environmental protection, plant operation, maintenance, regulatory compliance.
Job industry: Water and wastewater treatment

How much does Waste Water Plant Operator make?

Difference in salary year over year or average salary increase is approximately 4 %


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Salary comparison to National average

Is Waste Water Plant Operator a well paid job?

Yes, our data show that Waste Water Plant Operator is an averagely well paid job that still allows for some yearly savings. With years and experience the salary might increase even further, resulting in higher satisfaction.

What is considered a high salary for Waste Water Plant Operator?

High salary for Waste Water Plant Operator would be somewhere between 5,931,696 JPY and 7,819,054 JPY. However this is an estimation based on Gaussian Distribution.

How much can you save working as Waste Water Plant Operator in Japan?

Living in Japan the approximate monthly expenses are: 1,698 USD. This amount covers basic needs such as food, housing, clothing, healthcare and education costs for a single person. No luxury expenses such as traveling, leisure, hobbies are included in the estimation.

Estimated Yearly Salary: 5,392,451 JPY
Estimated Monthly Salary: 449,371 JPY
Estimated Weekly Salary: 103,701 JPY per week
Estimated Hourly Salary: 2,593 JPY per hour
By working as Waste Water Plant Operator a person can save up to 1,211 USD per month or 14,527 USD yearly. Values are pre-tax.

NOTE: These values are estimates and are averaged for the whole country. Furthermore the value is likely exaggerated as no other expenses are taken into account in the projection. Unessential expenses are very subjective and are difficult to assess. Most likely the previously estimated number is significantly lower for majority of people. Expenses in different cities across the country may vary. Above values accuracy is low and is based on limited set of data obtained.

For more information regarding expenses in Japan, see costs of living in Japan.

Salary comparison to region and neighbouring coutries

Country's neighbours are: China, South Korea, North Korea, Russia.
To make it easier for comparison a conversion from local currency to USD has been made (conversion rates may vary).

Estimated Yearly Salary for Waste Water Plant Operator

Last revision of data: 2025-01-04

Salary increase per years of experience

Based on data available the salary increase per years of experience is as following

0 years (beginner) equals base salary

1 to 5 years of experience yields +12% salary increase

6 to 10 years of experience yields +25% salary increase

11 to 15 years of experience yields +16% salary increase

16 to 25 years of experience yields +9% salary increase

more than 25 years of experience yields +10% salary increase

NOTE: Details based on limited set of data. Percentages may vary. The salary increase over years of experience can vary widely based on factors such as job industry, job role, location, company size, and individual performance. To gain even larger increase in salary one is advised to switch jobs and / or employer.

Top 10 highest salaries in Japan

Data as of 2025

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