The average salary for a water treatment plant operator in Idaho is around $52,210 per year.
Avg Salary
Water treatment plant operators earn an average yearly salary of $52,210.
Wages typically start from $40,820 and go up to $74,950.
16% below national average Updated in 2025
Water treatment plant operator earnings by seniority
Top-level water treatment plant operator earnings begin at:
$36.03 per hour
$74,950 per year
Senior-level water treatment plant operator earnings begin at:
$29.61 per hour
$61,600 per year
Mid-level water treatment plant operator earnings begin at:
$25.10 per hour
$52,210 per year
Junior-level water treatment plant operator earnings begin at:
$22.09 per hour
$45,940 per year
Starting level water treatment plant operator earnings begin at:
$19.63 per hour
$40,820 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 Idaho. On average, they make less than recreational vehicle service technicians but more than gem workers.
| Career | Median Salary |
|---|---|
| Recreational vehicle service technician salary | $50K |
| Cement mason salary | $56K |
| Highway maintenance worker salary | $52K |
| Pipelayer salary | $59K |
| Sheet metal worker salary | $46K |
| Water treatment plant operator salary | $52K |
| Roofer salary | $58K |
| Welder salary | $51K |
| Maintenance worker salary | $48K |
| Gem worker salary | $47K |
Source: CareerExplorer (Aggregated)