The median annual wage for Separating, Filtering, Clarifying, Precipitating, and Still Machine Setters, Operators, and Tenders in Riverside-San Bernardino-Ontario, CA is $50,440 (May 2024 BLS OES). The mean (average) is $56,440.
Pay spans roughly $38,190 at the 10th percentile to $76,930 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $24.25 per hour. An estimated 500 people work as separating, filtering, clarifying, precipitating, and still machine setters, operators, and tenders in Riverside-San Bernardino-Ontario, CA.
| Median (annual) | $50,440 |
| Mean (annual) | $56,440 |
| Median (hourly) | $24.25 |
| 10th percentile | $38,190 |
| 90th percentile | $76,930 |
| Employment | 500 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.