Water Treatment Plant salary in Japan

Average Yearly Salary of Water Treatment Plant in Japan is approximately 5,396,222 JPY (34,958 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 Water Treatment Plant do?

A water treatment plant is a facility responsible for purifying and treating water to make it safe for consumption or other purposes. The primary occupation at a water treatment plant involves operating and maintaining the equipment and processes used to treat water. This includes monitoring water quality, adjusting chemical dosages, and ensuring compliance with safety and environmental regulations. Additionally, plant operators perform routine maintenance tasks such as cleaning filters, repairing equipment, and conducting tests to ensure optimal plant performance. They also keep detailed records of plant operations, maintain inventory of chemicals and supplies, and communicate with supervisors and other team members.

Skills: water treatment, plant operation, water purification, equipment maintenance, water quality monitoring, compliance with regulations
Job industry: Water and wastewater treatment

How much does Water Treatment Plant make?

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


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Salary comparison to National average

Is Water Treatment Plant a well paid job?

Yes, our data show that Water Treatment Plant 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 Water Treatment Plant?

High salary for Water Treatment Plant would be somewhere between 5,935,844 JPY and 7,824,522 JPY. However this is an estimation based on Gaussian Distribution.

How much can you save working as Water Treatment Plant 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: 5,396,222 JPY
Estimated Monthly Salary: 449,685 JPY
Estimated Weekly Salary: 103,774 JPY per week
Estimated Hourly Salary: 2,594 JPY per hour
By working as Water Treatment Plant a person can save up to 1,216 USD per month or 14,587 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 Water Treatment Plant

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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