As of June 01, 2026, the average annual salary for Wastewater Engineer in Missouri is $49,879, equivalent to $24 per hour, $959 weekly, or $4,157 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Wastewater Engineer in cities like San Jose, Santa Clara, and San Francisco.
Annually Salaries for Wastewater Engineer in Missouri vary widely, spanning from $41,064 to $58,819. Most professionals fall between the 25th percentile ($45,265) and 75th percentile ($54,558), while top earners (90th percentile) make $58,819 per year. This $9,293 pay gap underscores opportunities for salary growth through certifications, specialized skills like Customer Service or Environmental Science, or targeting high-paying regions like District of Columbia or California.
Location and experience significantly influence earnings. For example, Missouri Wastewater Engineer often earn 5.0% lower than national averages due to demand from Fortune 62 companies. However, Missouri currently ranks 37 nationwide for Wastewater Engineer job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.
