Wastewater Engineer salary in Japan

Average Yearly Salary of Wastewater Engineer in Japan is approximately 8,346,534 JPY (54,244 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 Wastewater Engineer do?

A wastewater engineer is responsible for designing, constructing, and maintaining systems that treat and manage wastewater. They work to ensure the safe disposal of wastewater and protect public health and the environment. The occupation involves conducting site surveys, analyzing data, and developing engineering plans to design wastewater treatment facilities. Wastewater engineers also oversee the installation and operation of treatment systems, ensuring compliance with regulations and standards. They may collaborate with other professionals such as environmental scientists, civil engineers, and technicians to optimize system performance and implement innovative technologies. Additionally, wastewater engineers are involved in monitoring and testing water quality, conducting risk assessments, and providing technical support and guidance to clients and stakeholders. This occupation requires strong analytical and problem-solving skills, knowledge of relevant regulations and guidelines, and proficiency in various engineering software.

Skills: wastewater engineer, water treatment, environmental engineering, wastewater management, water quality, engineering design.
Job industry: Environmental services

How much does Wastewater Engineer make?

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


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Salary comparison to National average

Is Wastewater Engineer a well paid job?

Yes, our data shows that Wastewater Engineer is a well paid job. With years and experience the salary might increase even further, resulting in higher satisfaction.

What is considered a high salary for Wastewater Engineer?

High salary for Wastewater Engineer would be somewhere between 9,181,187 JPY and 12,102,474 JPY. However this is an estimation based on Gaussian Distribution.

How much can you save working as Wastewater Engineer 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: 8,346,534 JPY
Estimated Monthly Salary: 695,545 JPY
Estimated Weekly Salary: 160,510 JPY per week
Estimated Hourly Salary: 4,013 JPY per hour
By working as Wastewater Engineer a person can save up to 2,823 USD per month or 33,873 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 Wastewater Engineer

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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