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.
17% 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 |
| 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 Indiana. On average, they make less than tool and die makers but more than quarry rock splitters.
| Career | Median Salary |
|---|---|
| Tool and die maker salary | $68K |
| Chemical technician salary | $59K |
| Pump operator salary | $61K |
| Glazier salary | $60K |
| Quality control inspector salary | $49K |
| Water treatment plant operator salary | $54K |
| Machinist salary | $58K |
| Metal caster salary | $61K |
| Welder salary | $50K |
| Quarry rock splitter salary | $50K |
Source: CareerExplorer (Aggregated)