Home > Salary > Japan > Waste Water Treatment Plant Operator
A wastewater treatment plant operator is responsible for ensuring the proper functioning of wastewater treatment systems. They operate and maintain equipment, monitor processes, and perform tests to ensure that wastewater is treated effectively and meets regulatory standards before being discharged into the environment. These professionals are also responsible for troubleshooting and repairing equipment malfunctions, maintaining records and reports, and implementing safety procedures.
The job requires a strong understanding of wastewater treatment processes, knowledge of mechanical and electrical systems, and the ability to interpret data and make informed decisions. Good communication and problem-solving skills are essential in this role. Wastewater treatment plant operators often work in shifts, including nights, weekends, and holidays, as wastewater treatment is a continuous process.
Estimated Yearly Salary: 4,878,399 JPY
Estimated Monthly Salary: 406,533 JPY
Estimated Weekly Salary: 93,815 JPY per week
Estimated Hourly Salary: 2,345 JPY per hour
Values are pre-tax
Last revision of data: 2025-01-04
Estimated Monthly Salary: 391,815 JPY
Estimated Weekly Salary: 90,419 JPY per week
Estimated Hourly Salary: 2,260 JPY per hour
Last revision of data: 2024-01-06
Estimated Yearly Salary: 31,598 USD
Estimated Monthly Salary: 2,633 USD
Estimated Weekly Salary: 608 USD per week
Estimated Hourly Salary: 15 USD per hour
Difference in salary year over year or average salary increase is approximately
4 %
Data confidence is - relatively high
Data fetched from dabase: 14 submissions.
Results are anonymized. Amounts indicated are pre-tax, meaning no deductionts yet have been made to the basic salary. Salaries where there are less than 3 entries are not displayed.
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Estimated Yearly Salary: 4,878,399 JPY
Estimated Monthly Salary: 406,533 JPY
Estimated Weekly Salary: 93,815 JPY per week
Estimated Hourly Salary: 2,345 JPY per hour
By working as Waste Water Treatment Plant Operator a person can save up to 936 USD per month or 11,227 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.
Estimated Yearly Salary for Waste Water Treatment Plant Operator
Last revision of data: 2025-01-04
Data as of 2025
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Waste Water Treatment Plant Operator salary in Japan
Average Yearly Salary of Waste Water Treatment Plant Operator in Japan is approximately 4,878,399 JPY (31,598 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 Treatment Plant Operator do?

Skills: Waste Water Treatment, Operator, Environmental Protection, Water Quality, Equipment Maintenance, Regulatory Compliance
Job industry: Water and wastewater treatment
Job industry: Water and wastewater treatment
How much does Waste Water Treatment Plant Operator make?
Salary details
How much does Waste Water Treatment Plant Operator make?Estimated Yearly Salary: 4,878,399 JPY
Estimated Monthly Salary: 406,533 JPY
Estimated Weekly Salary: 93,815 JPY per week
Estimated Hourly Salary: 2,345 JPY per hour
Comparing salary to last year:
Estimated Yearly Salary: 4,701,774 JPYEstimated Monthly Salary: 391,815 JPY
Estimated Weekly Salary: 90,419 JPY per week
Estimated Hourly Salary: 2,260 JPY per hour
Waste Water Treatment Plant Operator estimated salary in USD
For easier comparison here is an estimated salary in USD:Estimated Yearly Salary: 31,598 USD
Estimated Monthly Salary: 2,633 USD
Estimated Weekly Salary: 608 USD per week
Estimated Hourly Salary: 15 USD per hour
Difference in salary year over year or average salary increase is approximately
About these results
Data confidence is - relatively high Data fetched from dabase: 14 submissions.
Results are anonymized. Amounts indicated are pre-tax, meaning no deductionts yet have been made to the basic salary. Salaries where there are less than 3 entries are not displayed.
Want to check how your salary compares? Submit your own salary here
Compare salary to other countries
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Country:
Salary comparison to National average
Japan, located in East Asia, is an island country consisting of four main islands: Honshu, Hokkaido, Kyushu, and Shikoku. With a population of approximately 126 million people, it is the 11th most populous country globally. Japan has a land area of around 377,975 square kilometers, making it comparable in size to Germany or Montana in the United States.
Estimated national average yearly salary is 5,998,894 JPY (42,440 USD). Value indicated is pre-tax. Below graph shows estimated Waste Water Treatment Plant Operator job salary compared to average salary in Japan.
Comparison shows that a person working as Waste Water Treatment Plant Operator in Japan earns on average:
0.81 times the average salary (or 81% of average salary).
Estimated national average yearly salary is 5,998,894 JPY (42,440 USD). Value indicated is pre-tax. Below graph shows estimated Waste Water Treatment Plant Operator job salary compared to average salary in Japan.
Comparison shows that a person working as Waste Water Treatment Plant Operator in Japan earns on average:
0.81 times the average salary (or 81% of average salary).
Is Waste Water Treatment Plant Operator a well paid job?
No / we do not have enough data to assess this.What is considered a high salary for Waste Water Treatment Plant Operator?
High salary for Waste Water Treatment Plant Operator would be somewhere between 5,366,239 JPY and 7,073,679 JPY. However this is an estimation based on Gaussian Distribution.How much can you save working as Waste Water Treatment 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: 4,878,399 JPY
Estimated Monthly Salary: 406,533 JPY
Estimated Weekly Salary: 93,815 JPY per week
Estimated Hourly Salary: 2,345 JPY per hour
By working as Waste Water Treatment Plant Operator a person can save up to 936 USD per month or 11,227 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 Treatment Plant Operator
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
- 6 to 10 years of experience yields
- 11 to 15 years of experience yields
- 16 to 25 years of experience yields
- more than 25 years of experience yields
Top 10 highest salaries in Japan
(68,080,344 JPY per year, pre-tax.)
2. Cardiologist
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5. Neurosurgeon
(53,032,036 JPY per year, pre-tax.)
(52,007,323 JPY per year, pre-tax.)
7. Urologist
(51,979,186 JPY per year, pre-tax.)
(51,888,641 JPY per year, pre-tax.)
9. Oncologist
(51,874,052 JPY per year, pre-tax.)
(51,756,180 JPY per year, pre-tax.)
Random salary:
Computer specialist (7,693,840 JPY per year, pre-tax.)
Petroleum plant operator (4,452,573 JPY per year, pre-tax.)
Associate vice president for development (13,137,634 JPY per year, pre-tax.)
Client services analyst (6,767,838 JPY per year, pre-tax.)
Dietary clerk (3,250,625 JPY per year, pre-tax.)
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