The average salary for a water treatment plant operator in Wisconsin is around $63,550 per year.
Avg Salary
Water treatment plant operators earn an average yearly salary of $63,550.
Wages typically start from $50,340 and go up to $78,790.
7% below national average Updated in 2025
Water treatment plant operator earnings by seniority
Top-level water treatment plant operator earnings begin at:
$37.88 per hour
$78,790 per year
Senior-level water treatment plant operator earnings begin at:
$34.91 per hour
$72,610 per year
Mid-level water treatment plant operator earnings begin at:
$30.56 per hour
$63,550 per year
Junior-level water treatment plant operator earnings begin at:
$26.38 per hour
$54,860 per year
Starting level water treatment plant operator earnings begin at:
$24.20 per hour
$50,340 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 |
| 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 |
| District of Columbia | $54,880 |
| 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 |
| West Virginia | $47,560 |
| Kansas | $46,780 |
| Mississippi | $46,480 |
| Louisiana | $46,210 |
| Oklahoma | $45,890 |
| Kentucky | $45,430 |
| Arkansas | $44,320 |
| Guam | $40,830 |
| Puerto Rico | $23,950 |
How do water treatment plant operator salaries compare to similar careers?
Water treatment plant operators earn about the same as related careers in Wisconsin. On average, they make less than non-destructive testing specialists but more than riggers.
| Career | Median Salary |
|---|---|
| Non-Destructive testing specialist salary | $75K |
| Quarry rock splitter salary | $62K |
| Pump operator salary | $60K |
| Glazier salary | $62K |
| Tool and die maker salary | $68K |
| Water treatment plant operator salary | $64K |
| Logging worker salary | $50K |
| Faller salary | $50K |
| Chemical technician salary | $59K |
| Rigger salary | $50K |
Source: CareerExplorer (Aggregated)