| Water Resource Control Engineer, Range C | 330 | $119,808 |
| Environmental Scientist, Range C | 286 | $81,593 |
| Analyst II, Range A | 276 | $74,443 |
| Water Resource Control Engineer, Range D | 169 | $129,281 |
| Engineering Geologist, Range D | 159 | $126,080 |
| Engineering Geologist, Range C | 118 | $112,574 |
| Senior Water Resource Control Engineer, Range S | 110 | $154,810 |
| Supervisor I | 92 | $88,951 |
| Senior Environmental Scientist (Supervisory) | 90 | $139,279 |
| Scientific Aid | 80 | $19,614 |
| Senior Engineering Geologist, Range S | 58 | $155,543 |
| Analyst I, Range C | 55 | $59,035 |
| Member, Regional Water Quality Control Board/State Water Resources Control Board | 53 | $4,000 |
| Water Resource Control Engineer, Range B | 52 | $97,435 |
| Senior Water Resource Control Engineer, Range A | 50 | $156,544 |
| Senior Environmental Scientist(Specialist) | 49 | $104,994 |
| Attorney IV, Range A | 41 | $157,674 |
| Supervising Water Resource Control Engineer (Supervisory) | 41 | $173,721 |
| Environmental Program Manager I (Supervisory) | 38 | $171,453 |
| Environmental Scientist, Range B | 35 | $55,022 |
| Associate Sanitary Engineer | 28 | $140,223 |
| Information Technology Specialist II, Range A | 28 | $119,320 |
| Information Technology Specialist I, Range C | 25 | $114,398 |
| Seasonal Clerk, Range A | 25 | $21,660 |
| Senior Engineering Geologist, Range A | 23 | $152,685 |
| Information Technology Specialist III | 22 | $137,074 |
| Supervisor II | 22 | $103,078 |
| C.E.A., Range A | 19 | $185,522 |
| Office Technician (Typing), Range A | 19 | $46,594 |
| Accountant Trainee, Range A | 17 | $39,269 |