SOC 51-8031 · Amherst Town-Northampton, MA metro

Water and Wastewater Treatment Plant and System Operators Salary in Amherst, MA

The average salary for water and wastewater treatment plant and system operators in Amherst, Massachusetts is $67,120 a year ($32.27 an hour), according to BLS estimates for May 2025. The median is $64,000: half of the 80 people in this job in the Amherst Town-Northampton, MA metro area earn more than that, half earn less. That average is 7% more than the U.S. average for this job ($62,540).

$67,120average per year

$32.27 / hourMedian $64,000Take-home ≈ $53,013

  • $53K10th
  • $62K25th
  • $64KMedian
  • $74K75th
  • $81K90th

median average · bar = middle 50% of workers · how to read it

80people in this job
+7%vs U.S. average
#5 of 6Massachusetts metros
100cost of living (U.S. = 100)
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Water and Wastewater Treatment Plant and System Operators pay range in Amherst

New workers and the lowest-paid 10% earn about $52,620 a year or less, while the top 10% make $81,360 or more. The middle half of water and wastewater treatment plant and system operators in Amherst earn between $61,810 and $73,830.

  • $53K10th
  • $62K25th
  • $64KMedian
  • $74K75th
  • $81K90th

median average · bar = middle 50% of workers · how to read it

Pay levelPer yearPer monthPer hour*
Average$67,120$5,593$32.27
Median$64,000$5,333$30.77
Entry level (25th percentile)$61,810$5,151$29.72
Experienced (75th percentile)$73,830$6,152$35.50

*Hourly figures assume 2,080 paid hours a year. Hourly to annual salary.

Water and Wastewater Treatment Plant and System Operators pay in Amherst vs. Massachusetts and the U.S.

Water and wastewater treatment plant and system operators in Amherst earn 4% less than the Massachusetts average ($69,900) and 7% more than the U.S. average ($62,540). At the median the gap is +7% against the U.S. median of $60,020.

AreaAverageMedian10th pct.90th pct.Jobs
Amherst$67,120$64,000$52,620$81,36080
Massachusetts$69,900$68,550$50,980$91,3902,510
United States$62,540$60,020$39,110$91,060128,490

State and U.S. rows: BLS statewide and national estimates, May 2025, which include rural areas.

Water and Wastewater Treatment Plant and System Operators salary after taxes in Amherst

On the average salary of $67,120, a single filer in Amherst takes home about $53,013 a year, or $4,418 a month and $2,039 every two weeks. Taxes take 21% of gross pay.

Single filer, standard deduction: federal income tax (2026 brackets), Social Security, Medicare and state income tax (2026 rules). Massachusetts Paid Family and Medical Leave premiums are not included.

Massachusetts paycheck calculator: try your own salary

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Is Amherst a good place for water and wastewater treatment plant and system operators? Pay vs. cost of living

Prices in the Amherst area are in line with the U.S. average (BEA price parity 100.2), so the average $67,120 buys what about $66,957 would buy in a typical U.S. metro. This job pays 1.1 times the median wage of all jobs in Amherst ($57,030). A typical home costs $363,400, or 5.4 years of this average salary before tax.

See what $67,120 is worth in another city

Water and Wastewater Treatment Plant and System Operators salary in other Massachusetts cities

Amherst ranks 5th of 6 Massachusetts metro areas for this job; Boston pays the most ($71,180).

All Water and Wastewater Treatment Plant and System Operators salaries in Massachusetts

Highest-paying cities for water and wastewater treatment plant and system operators

San Francisco, CA pays this job the most of the metro areas we cover ($116,800).

Water and Wastewater Treatment Plant and System Operators salary by city

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Water and Wastewater Treatment Plant and System Operators salary in Amherst: questions

How much do water and wastewater treatment plant and system operators make an hour in Amherst?

$32.27 an hour on average, and $30.77 at the median (BLS, May 2025).

What is the entry-level water and wastewater treatment plant and system operators salary in Amherst?

The lowest-paid 10% earn about $52,620 a year and the 25th percentile is $61,810, a fair guide to starting pay.

What is the water and wastewater treatment plant and system operators take-home pay in Amherst?

About $53,013 a year ($4,418 a month) for a single filer on the average salary of $67,120. Massachusetts Paid Family and Medical Leave premiums are not included.

Do water and wastewater treatment plant and system operators earn more in Amherst than elsewhere?

The average here is 7% more than the U.S. average for this job ($62,540).

Sources and how to read this page

  • Wages: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025 estimates for metropolitan areas. SOC code 51-8031; area Amherst Town-Northampton, MA (11200). Relative standard error of the mean wage: 1.9%.
  • U.S. and statewide figures: BLS OEWS national and state estimates, May 2025, every employer including rural areas.
  • Cost of living: Bureau of Economic Analysis regional price parities (RPP), 2024; 100 = U.S. average.
  • Home value: Census median home value (Zillow does not cover this metro). Typical-wage figure: OEWS all occupations, same metro.
  • Take-home pay: Single filer, standard deduction: federal income tax (2026 brackets), Social Security, Medicare and state income tax (2026 rules). Massachusetts Paid Family and Medical Leave premiums are not included.
  • Job concentration: location quotient 1.40, this job is 1.4 times as concentrated as in the U.S. overall.

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