truewise Honest US education data

Plumbing and Related Water Supply Services

Construction Trades

Plumbing and Related Water Supply Services graduates with a undergrad cert typically earned about $51,550, measured a few years after finishing (median across US programs, College Scorecard).
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Median earnings by degree level

Earnings range across schools, by degree levelEach row is a degree level: the bar is the middle half of schools' program medians (25th to 75th percentile) and the dot is the overall median. Certificate median $51,550, $45,260 to $62,028.$45k$54k$62kCertificate$51,550
Earnings range across schools, by degree levelEach row is a degree level: the bar is the middle half of schools' program medians (25th to 75th percentile) and the dot is the overall median. Certificate median $51,550, $45,260 to $62,028.$45k$54k$62kCertificate$51,550
DegreeMedian earningsTypical rangeSchoolsClear the bar
Undergraduate Certificate or Diploma$51,550$45,260 to $62,0281989%

"Clear the bar" is the share of programs whose graduates out-earn a typical high-school graduate (the federal earnings-premium test). Typical range is the 25th to 75th percentile of program medians.

Job outlook

Projected employment growth +4% (2025 to 2035), about 115,600 openings a year across the occupations this field commonly leads to.

OccupationMedian payGrowthOpenings/yr
First-Line Supervisors of Construction Trades and Extraction Workers$79,920+5%67,000
Plumbers, Pipefitters, and Steamfitters$63,800+6.8%42,000
Septic Tank Servicers and Sewer Pipe Cleaners$49,880+7.8%2,800
Earth Drillers, Except Oil and Gas$60,190+3.6%1,400
Rotary Drill Operators, Oil and Gas$67,890+0.8%1,100
Derrick Operators, Oil and Gas$58,620+1.6%900

Occupation pay and outlook: U.S. Bureau of Labor Statistics (OEWS wages, Employment Projections). A field maps to several occupations, and the same occupations serve many majors, so these are the jobs this major commonly leads to, not positions reserved for its graduates; the openings should not be added up across majors.

Where this is studied

The 8 colleges where the most students complete a plumbing and related water supply services program, of 146 that report one. Ordered by number of completions only: this is where people study it, not a judgement about where to.

Earnings source: U.S. Department of Education College Scorecard (release 2026-06-10), median earnings of graduates measured up to four years after completing. Figures describe past graduates and are never a promise. Method: methodology. Report an error.