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Water and Wastewater Treatment Plant and System Operators pay in San Francisco-Oakland-Fremont, CA and Terre Haute, IN
The May 2025 BLS OEWS median for Water and Wastewater Treatment Plant and System Operators is $125,160 per year in San Francisco-Oakland-Fremont, CA. It is $45,030 per year in Terre Haute, IN. San Francisco-Oakland-Fremont, CA is 177.9% above Terre Haute, IN on the published median.
Both rows use SOC 51-8031 and the same annual wage metric. Median means the middle of each area's published wage spread. It is not one worker's pay. The larger median is not proof that one place gives a better job or a better result. It is one wage fact from one source period.
BLS lists 1,040 wage and salary jobs in San Francisco-Oakland-Fremont, CA and 60 in Terre Haute, IN. Those are survey job counts, not open posts. Read pay, job scale, local share, and price level as separate facts before you make a choice.