Finland is ranked as the third country in the world with highest literacy rate which is 100%. It has an average population density of 17 inhabitants per square kilometer. This makes it, after Norway and Iceland, the third most sparsely populated country in Europe as well.
An entry level chemical water treatment plant operator (1-3 years of experience) earns an average salary of $34,140. On the other end, a senior level chemical water treatment plant operator (8+ years of experience) earns an average salary of $56,165.
Wastewater Treatment Operator Salary. Wastewater Treatment Operator average salary is $35,000, median salary is $- with a salary range from $35,000 to $35,000. Wastewater Treatment Operator salaries are collected from government agencies and companies. Each salary is associated with a real job position.