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APPLYSTEAD SALARIES · 5 POSTED PAY RANGES

Wastewater Treatment Operator/Senior Operator salaries

Pay ranges employers published in 5 open job postings for Wastewater Treatment Operator/Senior Operator roles at 3 companies, updated Oct 19, 2026.

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Posted base pay ranges from job listings, not total compensation. Figures are in USD. How these figures are made

Pay distribution

Wastewater Treatment Operator/Senior Operator: postings by posted pay5 postings by the midpoint of their pay range, in 1 bands from $95K to $100K. Median $97.2K; middle half $97.2K–$97.2K.Median $97.2K$95K$100K

Postings per pay band: $95K–$100K: 5.

Pay by level

  1. Senior$97.2K median · $97.2K–$97.2K typical · 5 postingsSenior: middle half $97.2K–$97.2K, median $97.2K

Companies hiring

  1. King County Wastewater Treatment Division, WA2 postings · too few to show pay
  2. KING COUNTY DEPARTMENT OF WATER & LAND RESOURCES2 postings · too few to show pay
  3. King County1 posting · too few to show pay

By location

  1. United States$97.2K median · $97.2K–$97.2K typical · 5 postingsUnited States: middle half $97.2K–$97.2K, median $97.2K
  2. Washington$97.2K median · $97.2K–$97.2K typical · 5 postingsWashington: middle half $97.2K–$97.2K, median $97.2K
  3. Renton, WA$97.2K median · $97.2K–$97.2K typical · 5 postingsRenton, WA: middle half $97.2K–$97.2K, median $97.2K

Newest Wastewater Treatment Operator/Senior Operator postings

  1. Wastewater Treatment Operator/Senior Operator - South Plant A CrewKing County · Renton, WA · $85.7K–$109K/yr · Posted Oct 17, 2026
  2. Wastewater Treatment Operator/Senior Operator - South Plant D CrewKING COUNTY DEPARTMENT OF WATER & LAND RESOURCES · Renton, WA · $85.7K–$109K/yr · Posted Oct 16, 2026
  3. Wastewater Treatment Operator/Senior Operator - South Plant D CrewKing County Wastewater Treatment Division, WA · Renton, WA · $85.7K–$109K/yr · Posted Oct 16, 2026
  4. Wastewater Treatment Operator/Senior Operator - South Plant A CrewKing County Wastewater Treatment Division, WA · Renton, WA · $85.7K–$109K/yr · Posted Oct 16, 2026
  5. Wastewater Treatment Operator/Senior Operator - South Plant A CrewKING COUNTY DEPARTMENT OF WATER & LAND RESOURCES · Renton, WA · $85.7K–$109K/yr · Posted Oct 16, 2026
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Questions and answers

How much does a Wastewater Treatment Operator/Senior Operator make?

The median posted base pay for Wastewater Treatment Operator/Senior Operator jobs is $97.2K a year, from 5 job postings with pay at 3 companies.

What is the typical Wastewater Treatment Operator/Senior Operator pay range?

The middle half of postings list $97.2K–$97.2K. The top 10% list $97.2K a year or more, and the lowest 10% $97.2K or less.

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