The average salary for a water treatment plant operator in Mississippi is around $46,480 per year.
Avg Salary
Water treatment plant operators earn an average yearly salary of $46,480.
Wages typically start from $35,230 and go up to $64,130.
19% below national average Updated in 2025
Water treatment plant operator earnings by seniority
Top-level water treatment plant operator earnings begin at:
$30.83 per hour
$64,130 per year
Senior-level water treatment plant operator earnings begin at:
$28.78 per hour
$59,850 per year
Mid-level water treatment plant operator earnings begin at:
$22.34 per hour
$46,480 per year
Junior-level water treatment plant operator earnings begin at:
$18.16 per hour
$37,770 per year
Starting level water treatment plant operator earnings begin at:
$16.94 per hour
$35,230 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 Mississippi. On average, they make less than gem workers but more than maintenance workers.
| Career | Median Salary |
|---|---|
| Gem worker salary | $55K |
| Sheet metal worker salary | $50K |
| Ironworker salary | $51K |
| Carpenter salary | $49K |
| Derrick operator salary | $47K |
| Water treatment plant operator salary | $46K |
| Brickmason salary | $49K |
| Machine assembler salary | $47K |
| Recreational vehicle service technician salary | $46K |
| Maintenance worker salary | $44K |
Source: CareerExplorer (Aggregated)