Water and Wastewater Treatment Plant and System Operators Salary in Montana
Also called: Water Treatment Plant Operators
Water and Wastewater Treatment Plant and System Operators in Montana earn a median of $58,040 a year, −3% compared with the U.S. median.
Updated October 2026 · Data: BLS OEWS May 2025 · How we match careers
- Median pay
- $58,040
- vs. U.S. median
- −3% ($60,020)
- Rank among states
- 32 of 50
- Jobs in the state
- 690
Pay range in Montana
The lowest-paid 10% earn under $37,320; the top 10% earn over $81,420. Nationally the range is $39,110 to $91,060.
States ranked near Montana
Similar jobs in Montana
- Biomass Plant Technicians$106,040 median in Montana (broader BLS group)
- Gas Compressor and Gas Pumping Station Operators$83,750 median in Montana
- Gas Plant Operators$83,630 median in Montana
- Petroleum Pump System Operators, Refinery Operators, and Gaugers$98,310 median in Montana
- Wellhead Pumpers$57,830 median in Montana
- Biofuels Processing Technicians$81,340 median in Montana (broader BLS group)
Water and Wastewater Treatment Plant and System Operators pay in Montana
How much do water and wastewater treatment plant and system operators make in Montana?
The median is $58,040 a year. The lowest-paid 10% earn under $37,320 and the top 10% earn over $81,420. BLS OEWS May 2025.
Is Montana a good state for water and wastewater treatment plant and system operators?
On pay alone it ranks 32 of 50 (−3% vs. the national median of $60,020). Living costs are not included.