The largest directory
of earn-while-you-learn
opportunities nationwide!
BRIDGING THE GAP
between career seekers
& employers
from COAST-TO-COAST
Water, Sewage and Other Systems
OJT for Water, Sewage and Other Systems: NAICS 2213
The Water, Sewage and Other Systems subsector is part of the Utilities sector.
Drinking and wastewater operation and treatment facilities are part of the utilities sector (NAICS 22). Industries in this sector include water treatment plants, water supply systems, sewer systems, and/or sewage treatment facilities that collect, treat, and dispose of waste.
The Water, Sewage and Other Systems subsector include the following industries:
- Water Supply and Irrigation Systems
- Sewage Treatment Facilities
- Steam and Air-Conditioning Supply
Subsector Context
The following chart breaks down the parent sector into its subsectors. It shows the percentage of people that these subsectors employ, relative to the entire sector, and the projected growth of these subsectors through 2026.
Largest Occupations
The following table shows the top 10 projected occupations, in size, for this subsector through 2026. It also shows the educational requirements and OJT requirements for these top-sized occupations. The OJT.com training directory provides a listing of the state-by-state training providers that can fulfill your on-the-job training requirements.
Largest Occupations in Subsector, Projected for 2026
| Occupation | 2026 Projected Employment (in thousands) | 2026 Projected Percent of Subsector | Percent Employment Change (2016-2026) | Education Requirements | OJT Requirements |
| Water and wastewater treatment plant and system operators | 14.2 | 25.9 | 3.6 | High school diploma or equivalent | Long-term on-the-job training |
| Maintenance and repair workers, general | 3.1 | 5.6 | 15.1 | High school diploma or equivalent | Long-term on-the-job training |
| Office clerks, general | 2.5 | 4.6 | 3.6 | High school diploma or equivalent | Short-term on-the-job training |
| Meter readers, utilities | 2.4 | 4.4 | 3.6 | High school diploma or equivalent | Short-term on-the-job training |
| General and operations managers | 2.3 | 4.3 | 15.1 | Unknown | Unknown |
| First-line supervisors of production and operating workers | 2.2 | 4.1 | 15.1 | High school diploma or equivalent | None |
| Secretaries and administrative assistants, except legal, medical, and executive | 2.0 | 3.6 | -2.2 | High school diploma or equivalent | Short-term on-the-job training |
| Customer service representatives | 1.9 | 3.4 | 15.1 | High school diploma or equivalent | Short-term on-the-job training |
| Plumbers, pipefitters, and steamfitters | 1.8 | 3.2 | 15.1 | High school diploma or equivalent | Apprenticeship |
| Construction laborers | 1.5 | 2.8 | 15.1 | No formal educational credential | Short-term on-the-job training |
Growth Occupations
The following table shows the top 10 projected occupations, in growth, for this subsector through 2026. It also shows the educational requirements and OJT requirements for these top-growth occupations. The OJT.com training directory provides a listing of the state-by-state training providers that can fulfill your on-the-job training requirements.
Highest Growth Occupations in Subsector, Projected thru 2026
| Occupation | 2026 Projected Employment (in thousands) | 2026 Projected Percent of Subsector | Percent Employment Change (2016-2026) | Education Requirements | OJT Requirements |
| Financial managers | 0.2 | 0.4 | 26.6 | Bachelor’s degree | None |
| Maintenance and repair workers, general | 3.1 | 5.6 | 15.1 | High school diploma or equivalent | Long-term on-the-job training |
| General and operations managers | 2.3 | 4.3 | 15.1 | Unknown | Unknown |
| First-line supervisors of production and operating workers | 2.2 | 4.1 | 15.1 | High school diploma or equivalent | None |
| Customer service representatives | 1.9 | 3.4 | 15.1 | High school diploma or equivalent | Short-term on-the-job training |
| Plumbers, pipefitters, and steamfitters | 1.8 | 3.2 | 15.1 | High school diploma or equivalent | Apprenticeship |
| Construction laborers | 1.5 | 2.8 | 15.1 | No formal educational credential | Short-term on-the-job training |
| First-line supervisors of office and administrative support workers | 1.3 | 2.3 | 15.1 | High school diploma or equivalent | None |
| Control and valve installers and repairers, except mechanical door | 1.1 | 1.9 | 15.1 | High school diploma or equivalent | Moderate-term on-the-job training |
| Industrial machinery mechanics | 0.9 | 1.7 | 15.1 | High school diploma or equivalent | Long-term on-the-job training |
At OJT.com, we connect you with the best on-the-job training programs and on-the-job training providers. Whether you are looking for job training manuals, job training videos, on the job training programs, or any other sort of job training programs, OJT.com can help you.
Drop OJT.com a line today and let us help you with your job training needs!
Call 866.465.8266 to speak with someone on our project evaluation team.
Companies Large and Small Trust OJT.com For On-the-Job Training
We get the workforce of the future prepared for success while assisting in securing On-the-Job Training partnerships.
