Skills › Utilities
Water treatment
Running water and wastewater plants: chemistry, pumps and monitoring. License names vary by state.
Levels are anchored to certificates, exams, hours or license classes.
How to level it
- 10 Operator in training Hired as OIT
- 30 Class I First state operator exam
- 50 Class II Second license tier
- 70 Class III Third tier, larger plants
- 90 Class IV / chief Top license, can run the largest plants
Methods that use it
| Method | Level needed | Income |
|---|---|---|
Utilities · hidden gem | 30Class I | $38k – $120k |