The average salary for a water treatment plant operator in Indiana is around $53,540 per year.
Avg Salary
Water treatment plant operators earn an average yearly salary of $53,540.
Wages typically start from $40,590 and go up to $75,290.
14% below national average Updated in 2025
Water treatment plant operator earnings by seniority
Top-level water treatment plant operator earnings begin at:
$36.20 per hour
$75,290 per year
Senior-level water treatment plant operator earnings begin at:
$29.86 per hour
$62,120 per year
Mid-level water treatment plant operator earnings begin at:
$25.74 per hour
$53,540 per year
Junior-level water treatment plant operator earnings begin at:
$22.87 per hour
$47,570 per year
Starting level water treatment plant operator earnings begin at:
$19.52 per hour
$40,590 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 Indiana. On average, they make less than cement masons but more than drywall installers.
| Career | Median Salary |
|---|---|
| Cement mason salary | $61K |
| Extraction worker salary | $49K |
| Glazier salary | $60K |
| Roofer salary | $58K |
| Crane operator salary | $53K |
| Water treatment plant operator salary | $54K |
| Metal caster salary | $61K |
| Recreational vehicle service technician salary | $57K |
| Plasterer salary | $54K |
| Drywall installer salary | $50K |
Source: CareerExplorer (Aggregated)