Home > Salary > Spain > Wastewater Engineer
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.
Estimated Yearly Salary: 40,472 EUR
Estimated Monthly Salary: 3,373 EUR
Estimated Weekly Salary: 778 EUR per week
Estimated Hourly Salary: 19 EUR per hour
Values are pre-tax
Last revision of data: 2025-01-04
Estimated Monthly Salary: 3,252 EUR
Estimated Weekly Salary: 750 EUR per week
Estimated Hourly Salary: 19 EUR per hour
Last revision of data: 2024-01-03
Estimated Yearly Salary: 40,494 USD
Estimated Monthly Salary: 3,375 USD
Estimated Weekly Salary: 779 USD per week
Estimated Hourly Salary: 19 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: 40,472 EUR
Estimated Monthly Salary: 3,373 EUR
Estimated Weekly Salary: 778 EUR per week
Estimated Hourly Salary: 19 EUR per hour
By working as Wastewater Engineer a person can save up to 2,107 USD per month or 25,288 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 Spain, see costs of living in Spain.
Estimated Yearly Salary for Wastewater Engineer
Last revision of data: 2025-01-04
Data as of 2025
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Wastewater Engineer salary in Spain
Average Yearly Salary of Wastewater Engineer in Spain is approximately 40,472 EUR (40,494 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?

Skills: wastewater engineer, water treatment, environmental engineering, wastewater management, water quality, engineering design.
Job industry: Environmental services
Job industry: Environmental services
How much does Wastewater Engineer make?
Salary details
How much does Wastewater Engineer make?Estimated Yearly Salary: 40,472 EUR
Estimated Monthly Salary: 3,373 EUR
Estimated Weekly Salary: 778 EUR per week
Estimated Hourly Salary: 19 EUR per hour
Comparing salary to last year:
Estimated Yearly Salary: 39,020 EUREstimated Monthly Salary: 3,252 EUR
Estimated Weekly Salary: 750 EUR per week
Estimated Hourly Salary: 19 EUR per hour
Wastewater Engineer estimated salary in USD
For easier comparison here is an estimated salary in USD:Estimated Yearly Salary: 40,494 USD
Estimated Monthly Salary: 3,375 USD
Estimated Weekly Salary: 779 USD per week
Estimated Hourly Salary: 19 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
Spain is a vibrant country located in southwestern Europe, occupying the majority of the Iberian Peninsula. With a population of approximately 47 million people, it is the sixth-largest country in Europe. Spain covers an area of about 505,990 square kilometers, making it the fourth-largest country on the continent.
Estimated national average yearly salary is 28,867 EUR (31,680 USD). Value indicated is pre-tax. Below graph shows estimated Wastewater Engineer job salary compared to average salary in Spain.
Comparison shows that a person working as Wastewater Engineer in Spain earns on average:
1.4 times the average salary (or 140% of average salary).
Estimated national average yearly salary is 28,867 EUR (31,680 USD). Value indicated is pre-tax. Below graph shows estimated Wastewater Engineer job salary compared to average salary in Spain.
Comparison shows that a person working as Wastewater Engineer in Spain earns on average:
1.4 times the average salary (or 140% of average salary).
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 44,519 EUR and 58,684 EUR. However this is an estimation based on Gaussian Distribution.How much can you save working as Wastewater Engineer in Spain?
Living in Spain the approximate monthly expenses are: 1,267 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: 40,472 EUR
Estimated Monthly Salary: 3,373 EUR
Estimated Weekly Salary: 778 EUR per week
Estimated Hourly Salary: 19 EUR per hour
By working as Wastewater Engineer a person can save up to 2,107 USD per month or 25,288 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 Spain, see costs of living in Spain.
Salary comparison to region and neighbouring coutries
Country's neighbours are: Portugal, France, orra, Gibraltar, Morocco. 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
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 Spain
(331,206 EUR per year, pre-tax.)
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(275,428 EUR per year, pre-tax.)
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4. Neurosurgeon
(257,501 EUR per year, pre-tax.)
(257,200 EUR per year, pre-tax.)
6. Urologist
(251,720 EUR per year, pre-tax.)
(251,190 EUR per year, pre-tax.)
(250,735 EUR per year, pre-tax.)
(250,685 EUR per year, pre-tax.)
10. Oncologist
(250,519 EUR per year, pre-tax.)
Random salary:
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