The average salary for a water treatment plant operator in Colorado is around $74,200 per year.
Avg Salary
Water treatment plant operators earn an average yearly salary of $74,200.
Wages typically start from $50,130 and go up to $95,730.
3% below national average Updated in 2025
Water treatment plant operator earnings by seniority
Top-level water treatment plant operator earnings begin at:
$46.03 per hour
$95,730 per year
Senior-level water treatment plant operator earnings begin at:
$40.20 per hour
$83,620 per year
Mid-level water treatment plant operator earnings begin at:
$35.68 per hour
$74,200 per year
Junior-level water treatment plant operator earnings begin at:
$28.88 per hour
$60,080 per year
Starting level water treatment plant operator earnings begin at:
$24.10 per hour
$50,130 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 Colorado. On average, they make less than mining machine operators but more than plumbers.
| Career | Median Salary |
|---|---|
| Mining machine operator salary | $81K |
| Rotary drill operator salary | $80K |
| Crane operator salary | $77K |
| Rigger salary | $74K |
| Millwright salary | $81K |
| Water treatment plant operator salary | $74K |
| Wellhead pumper salary | $73K |
| HVAC technician salary | $65K |
| Pipefitter salary | $63K |
| Plumber salary | $63K |
Source: CareerExplorer (Aggregated)