Plumbing and Related Water Supply Services programs in California
17 schools in California teach this, at certificate or associate level. The Department of Education publishes earnings for none of them, so the figures below are what the occupation itself pays.
What this work pays in California
First-Line Supervisors of Construction Trades and Extraction Workers in California earn a median of $97,680 a year across 71,750 jobs. That is what the occupation pays everyone in it — not what graduates of any one program below earned.
| Also leads to | Median | Jobs in California |
|---|---|---|
| Plumbers, Pipefitters, and Steamfitters | $72,830 | 47,660 |
| Septic Tank Servicers and Sewer Pipe Cleaners | $55,220 | 3,130 |
| Earth Drillers, Except Oil and Gas | $66,910 | 1,630 |
| Rotary Drill Operators, Oil and Gas | $65,520 | 460 |
| Explosives Workers, Ordnance Handling Experts, and Blasters | $80,370 | 220 |
Occupation wages: Bureau of Labor Statistics, Occupational Employment and Wage Statistics, 2025.
Schools
| School | Credential | Median debt | Graduate earnings, 2 yrs | Graduates |
|---|---|---|---|---|
| American River College Sacramento | Undergraduate certificate | — | not published | — |
| American River College Sacramento | Associate's degree | — | not published | — |
| Bakersfield College Bakersfield | Undergraduate certificate | — | not published | 28 |
| City College of San Francisco San Francisco | Undergraduate certificate | — | not published | 1 |
| College of San Mateo San Mateo | Undergraduate certificate | — | not published | 0 |
| College of the Canyons Santa Clarita | Undergraduate certificate | — | not published | 1 |
| Diablo Valley College Pleasant Hill | Undergraduate certificate | — | not published | 0 |
| Diablo Valley College Pleasant Hill | Associate's degree | — | not published | 0 |
| Foothill College Los Altos Hills | Undergraduate certificate | — | not published | 36 |
| Foothill College Los Altos Hills | Associate's degree | — | not published | 0 |
| Los Angeles Trade Technical College Los Angeles | Undergraduate certificate | — | not published | 24 |
| Los Angeles Trade Technical College Los Angeles | Associate's degree | — | not published | 8 |
| Mission College Santa Clara | Undergraduate certificate | — | not published | 0 |
| Orange Coast College Costa Mesa | Undergraduate certificate | — | not published | 5 |
| San Diego City College San Diego | Undergraduate certificate | — | not published | 0 |
| San Diego City College San Diego | Associate's degree | — | not published | 0 |
| Summit College San Bernardino | Undergraduate certificate | — | not published | — |
A dash under earnings or debt means the U.S. Department of Education has not published a figure for that program — it withholds any median computed from too few graduates, which covers about four of every five programs. It never means zero, and it says nothing about whether the program is any good. Where a figure is shown, the number of graduates behind it is shown with it.
Email me when these figures change
The U.S. Department of Education publishes new cost, debt and earnings figures once a year, and every number on this page changes at once. One email when that happens for Plumbing and Related Water Supply Services — nothing else, and nothing in between.
Program and outcome figures: U.S. Department of Education, College Scorecard, released 2026-06-10.