Water and Wastewater Treatment Plant and System Operators salary in Rapid City, SD
The median water and wastewater treatment plant and system operators in Rapid City, SD earns $57,780 a year, 4% below the US median. After tax that is roughly $4,051 a month.
- 10th percentile
- $46,170
- 25th percentile
- $49,610
- Median percentile
- $57,780
- 75th percentile
- $57,780
- 90th percentile
- $64,890
Based on 190 employed. Data period: BLS OEWS May 2025. Percentiles show the spread of pay, not experience; reading the 25th percentile as "entry level" is only an approximation.
What you keep
$48,606 take-home a year
| Gross pay | $57,780 |
| Federal income tax | −$4,754 |
| Social Security + Medicare | −$4,420 |
| South Dakota income tax (approx.) | −$0 |
| Monthly take-home | $4,051 |
| Every two weeks | $1,869 |
Does it go far here?
$64,805Median pay in Rapid City, SD is worth this at average US prices (local price level 89.2 vs 100).
28%of take-home pay goes to the median rent ($1,140 a month, Census ACS).
Top-paying jobs in Rapid City, SD
All water and wastewater treatment plant and system operators salaries · Take-home pay in South Dakota