Career comparison
Plumber vs. Septic Tank Technician
Side-by-side pay, training, growth and day-to-day duties to help you choose between two related careers.
Plumbers earn more at the median ($63,800 vs. $49,880), while septic tank technicians usually get to work faster (1–6 months on the job of training). Plumbers install and repair water, drain, gas and heating piping systems to code. Septic tank technicians pump, inspect and repair septic systems and clean sewer lines.
Pay data: BLS OEWS, May 2025 · Outlook: BLS 2025–35 · Checked October 15, 2026
| Plumber | Septic Tank Technician | |
|---|---|---|
| Median pay | $63,800 ($30.67/hr) | $49,880 ($23.98/hr) |
| Pay range (10th–90th) | $44,150 – $108,420 | $37,040 – $73,490 |
| Job growth, 2025–35 | +6.8% (faster than average) | +7.8% (much faster than average) |
| Openings per year | 42,000 | 2,800 |
| Typical entry education | High school diploma or equivalent | High school diploma or equivalent |
| Training time | 4–5 years (paid apprenticeship) | 1–6 months on the job |
| Key credential | Journeyman plumber license | State septage hauler license |
| Work setting | Plumbers work in homes, businesses, factories and construction sites. | Technicians work outdoors at homes, businesses and job sites, and drive heavy trucks. |
What each job does
Plumber
- Read blueprints and plan pipe layouts
- Install water supply, drain, waste and vent piping
- Set and connect fixtures, water heaters and appliances
- Locate and repair leaks, clogs and broken pipes
- Test systems for pressure and leaks
Septic Tank Technician
- Pump septic tanks with vacuum trucks
- Inspect tanks, baffles and filters
- Locate and uncover tanks and lids
- Clear blocked sewer lines with jetters and cables
- Inspect lines with sewer cameras
How they’re similar
Both careers involve hands-on work, physical work, working independently, and travel. They sit in different fields, skilled trades & construction and safety & environmental, but share transferable skills such as problem-solving and customer service.
Which should you choose?
Choose plumber if…
- I like fixing things and figuring out what’s wrong
- Dirty or messy work doesn’t bother me
- I’m comfortable working in tight spaces
Choose septic tank technician if…
- Dirty work doesn’t bother me
- I like driving and operating equipment
- I enjoy solving problems on site
Still torn? Take the Plumber fit quiz and the Septic Tank Technician fit quiz, or the full Career Match Quiz.
Quick comparisons
Which pays more, plumber or septic tank technician?
Plumbers earn more at the median: $63,800 versus $49,880 for septic tank technicians, based on BLS May 2025 data.
Which takes less time to train for?
Septic Tank Technicians typically train faster (1–6 months on the job) than plumbers (4–5 years (paid apprenticeship)).
Which career has better job growth?
BLS projects septic tank technicians to grow +7.8% from 2025–35, compared with +6.8% for plumbers.