Water and Sewer Technician Career Guide,
Salary, Licence & Jobs 2026

The closest BLS code, Septic Tank Servicers and Sewer Pipe Cleaners (SOC 47-4071), shows an OEWS May 2025 median of $49,880 a year, or $23.98 an hour, from $37,040 at the 10th percentile to $73,490 at the 90th. Municipal technicians also do distribution work counted under water system operator codes, so the figure is a broad approximation.

In most states, yes. State environmental or health agencies issue graded wastewater collection and water distribution operator certificates requiring an exam and documented experience at each level. Many public utilities require the entry grade within a year of hire and tie pay steps directly to certification grade.

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A camera crawler or push camera is run through a cleaned sewer segment to record pipe condition. Defects — cracks, offset joints, root intrusion, infiltration — are coded to NASSCO's Pipeline Assessment Certification Program standard so that segments can be ranked and scheduled for lining or replacement.

The main hazards are confined space entry and traffic. Manholes and wet wells are permit-required confined spaces under OSHA 1910.146 where hydrogen sulphide and oxygen deficiency can be fatal within minutes, so gas monitoring, ventilation, an attendant and a rescue plan are mandatory. Roadway work adds traffic-control requirements.

Yes, modestly: BLS projects 7.6% growth over 2024–2034 for the code, above the average for construction and maintenance work, with about 2,900 openings a year. Ageing pipe, consent-decree-driven inflow and infiltration reduction and lead service line replacement all sustain the workload.

Collection-system technicians work the buried network — cleaning, inspecting and repairing mains and manholes in the field. Treatment plant operators run process equipment inside a facility and are counted in a separate BLS occupation with its own certification track, though many states use a parallel graded certification scheme for both.