The average salary for a water treatment plant operator in Hawaii is around $65,560 per year.
Avg Salary
Water treatment plant operators earn an average yearly salary of $65,560.
Wages typically start from $46,900 and go up to $82,680.
14% below national average Updated in 2025
Water treatment plant operator earnings by seniority
Top-level water treatment plant operator earnings begin at:
$39.75 per hour
$82,680 per year
Senior-level water treatment plant operator earnings begin at:
$37.66 per hour
$78,320 per year
Mid-level water treatment plant operator earnings begin at:
$31.52 per hour
$65,560 per year
Junior-level water treatment plant operator earnings begin at:
$26.67 per hour
$55,470 per year
Starting level water treatment plant operator earnings begin at:
$22.55 per hour
$46,900 per year
Approximate values based on highest and lowest earning segments.
Water treatment plant operator salary by state
| State Name | Average Salary |
|---|---|
| California | $81,770 |
| Nevada | $81,440 |
| Washington | $80,800 |
| District of Columbia | $78,890 |
| Connecticut | $78,820 |
| New Jersey | $78,760 |
| Minnesota | $74,670 |
| Colorado | $74,200 |
| Oregon | $69,720 |
| Massachusetts | $68,550 |
| Illinois | $67,810 |
| Hawaii | $65,560 |
| Delaware | $64,940 |
| New York | $63,990 |
| Vermont | $63,640 |
| Wisconsin | $63,550 |
| Pennsylvania | $63,310 |
| Wyoming | $63,260 |
| New Hampshire | $62,940 |
| Maryland | $61,870 |
| Maine | $61,870 |
| Rhode Island | $61,820 |
| Arizona | $61,340 |
| Utah | $61,290 |
| Nebraska | $61,220 |
| Iowa | $60,990 |
| North Dakota | $60,470 |
| Alaska | $60,160 |
| Virginia | $59,420 |
| Michigan | $59,270 |
| Ohio | $59,170 |
| Florida | $59,030 |
| Montana | $58,040 |
| Indiana | $53,540 |
| South Dakota | $53,370 |
| Idaho | $52,210 |
| South Carolina | $52,090 |
| Alabama | $51,870 |
| North Carolina | $51,680 |
| Tennessee | $50,670 |
| Missouri | $49,940 |
| Texas | $49,460 |
| Georgia | $48,930 |
| New Mexico | $48,190 |
| Guam | $47,610 |
| West Virginia | $47,560 |
| Kansas | $46,780 |
| Mississippi | $46,480 |
| Louisiana | $46,210 |
| Oklahoma | $45,890 |
| Kentucky | $45,430 |
| Arkansas | $44,320 |
| Puerto Rico | $27,910 |
How do water treatment plant operator salaries compare to similar careers?
Water treatment plant operators earn about the same as related careers in Hawaii. On average, they make less than welders but more than stone cutters.
| Career | Median Salary |
|---|---|
| Welder salary | $79K |
| Brickmason salary | $79K |
| Construction worker salary | $77K |
| Professional painter salary | $68K |
| HVAC technician salary | $65K |
| Water treatment plant operator salary | $66K |
| Forklift operator salary | $54K |
| Ship loader salary | $45K |
| Roofer salary | $60K |
| Stone cutter salary | $56K |
Source: CareerExplorer (Aggregated)