Water Treatment Engineer Salary in San Antonio, TX.
Updated on: May 13, 2026
How much does a Water Treatment Engineer make in San Antonio, TX?
The average Water Treatment Engineer in San Antonio, TX makes $100,899, 3% above the national average Water Treatment Engineer salary of $98,208. This pay is 12% lower than the combined average salaries of other metroes San Jose, CA, Memphis, TN, and Tampa, FL.
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*Data is estimated and depends on the generous anonymous contributions of individuals