Separating, filtering, clarifying, precipitating, and still machine setters, operators, and tenders: Salary, Job Outlook, Education and Career Path

Set up, operate, or tend continuous flow or vat-type equipment; filter presses; shaker screens; centrifuges; condenser tubes; precipitating, fermenting, or evaporating tanks; scrubbing towers; or batch stills. These machines extract, sort, or separate liquids, gases, or solids from other materials to recover a refined product. Includes dairy processing equipment operators.

Short answer: Separating, filtering, clarifying, precipitating, and still machine setters, operators, and tenders earn a national median annual wage of $51,610 (BLS, May 2025). Employment is projected to change -5.7% from 2025 to 2035 (all occupations: +3.5%), with about 5,200 openings per year. The typical entry credential is high school diploma or equivalent.

Median annual wage
$51,610
May 2025 Verified data
Projected change
-5.7%
2025 to 2035 Official projection
Openings per year
5,200
Average, 2025 to 2035 Official projection
Employment
60,100
OEWS, May 2025 Verified data

Separating, filtering, clarifying, precipitating, and still machine setters, operators, and tenders salary

$0$25K$50K$75KUnited States$51,610
National annual wages for separating, filtering, clarifying, precipitating, and still machine setters, operators, and tenders, May 2025: 10th percentile $36,200, 25th $44,410, median $51,610, 75th $63,930, 90th $79,750. The bar spans the 25th to 75th percentile, the thin line spans the 10th to 90th percentile, and the red mark is the median.
MeasureAnnualHourly
10th percentile$36,200$17.40
Median (50th percentile)$51,610$24.81
Mean (average)$56,030$26.94
90th percentile$79,750$38.34

These wages describe everyone employed in the occupation, from new entrants to experienced workers. They are not starting salaries and not earnings of graduates from any particular program. Verified data

Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025, National. May 2025 reference period. Published April 30, 2026. Retrieved October 18, 2026. Methodology.

Separating, filtering, clarifying, precipitating, and still machine setters, operators, and tenders pay by state and metro area

$32K$109K
Median annual wage for separating, filtering, clarifying, precipitating, and still machine setters, operators, and tenders by state, May 2025. Highest: Wyoming at $108,900. States in gray have no published estimate.
Table: median wage and employment for all 51 states and territories
StateMedian10th pct90th pctEmploymentLocation quotient
Alabama$46,970$34,520$58,8201400.17
Alaska$48,000$36,670$73,9101000.78
Arizona$57,820$37,270$74,8109700.77
Arkansas$41,720$30,970$55,7505000.98
California$52,910$34,320$83,63014,2102.02
Colorado$49,590$38,270$76,5101,9701.77
Connecticut$50,370$38,020$71,0503100.47
Delaware$47,520$36,660$59,8401100.61
Florida$49,610$32,210$82,2801,1500.3
Georgia$55,500$33,320$80,1401,2100.64
Hawaii$51,070$37,710$75,5001600.66
Idaho$52,160$39,880$74,7107802.35
Illinois$48,440$31,200$73,8807800.33
Indiana$53,990$40,600$65,5901,5101.22
Iowa$52,220$39,200$83,2101,0901.81
Kansas$48,790$39,190$76,2404500.81
Kentucky$58,770$45,160$71,3101,5001.94
Louisiana$58,640$34,900$77,3407701.03
Maine$57,190$45,650$79,8004301.75
Maryland$55,580$36,990$81,6005800.54
Massachusetts$48,970$38,730$76,4205100.37
Michigan$49,480$34,020$64,7402,2301.31
Minnesota$57,190$40,210$73,2701,8101.59
Mississippi$43,890$31,500$71,0001000.21
Missouri$49,290$34,100$82,8501,5901.4
Montana$47,920$37,080$64,1603401.74
Nebraska$47,080$35,990$62,6501,0502.66
Nevada$62,960$41,840$91,2402700.46
New Hampshire$60,340$43,080$83,7505902.25
New Jersey$58,140$42,430$89,3409300.56
New Mexico$41,370$32,470$56,1003701.11
New York$55,990$38,340$82,5303,4900.93
North Carolina$49,140$36,120$73,8401,3100.68
North Dakota$59,390$41,960$75,8302701.6
Ohio$47,640$34,910$63,5501,4700.69
Oklahoma$49,440$34,600$76,5002600.39
Oregon$50,160$36,880$79,0201,3401.76
Pennsylvania$48,390$32,130$70,5902,1500.92
Puerto Rico$32,000$21,840$38,850900.24
Rhode Island$46,710$37,060$71,1301400.72
South Carolina$49,320$33,430$75,8004700.52
South Dakota$50,780$38,390$60,9802701.55
Tennessee$50,470$33,830$75,2802,4501.94
Texas$46,910$35,720$69,6701,4600.27
Utah$46,600$37,260$60,0304800.72
Vermont$53,570$44,660$67,7502301.92
Virginia$59,480$37,460$80,8202,1301.34
Washington$56,160$41,740$78,7001,5601.14
West Virginia$35,870$26,620$51,6101100.41
Wisconsin$60,100$38,250$76,7501,5201.34
Wyoming$108,900$46,000$117,6004103.82

A location quotient above 1 means the occupation is more concentrated in that state than in the nation overall.

Metro areas with the most jobs

Napa, CA1,400
New York-Newark-Jersey City, NY-NJ1,140
Modesto, CA1,000
Denver-Aurora-Centennial, CO980
Santa Rosa-Petaluma, CA970
Memphis, TN-MS-AR930
Riverside-San Bernardino-Ontario, CA800
Minneapolis-St. Paul-Bloomington, MN-WI790
Boston-Cambridge-Newton, MA-NH760
Louisville/Jefferson County, KY-IN750

Highest paying metro areas

Syracuse, NY$82,530
Vallejo, CA$82,440
Atlanta-Sandy Springs-Roswell, GA$80,140
Virginia Beach-Chesapeake-Norfolk, VA-NC$76,350
Modesto, CA$73,690
Hanford-Corcoran, CA$66,310
Napa, CA$64,000
San Francisco-Oakland-Fremont, CA$62,320
Merced, CA$61,920
Santa Rosa-Petaluma, CA$61,550
Among metro areas with at least 100 workers in this occupation.
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025, State. May 2025 reference period. Published April 30, 2026. Retrieved October 18, 2026. Methodology.
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025, Metropolitan areas. May 2025 reference period. Published April 30, 2026. Retrieved October 18, 2026. Methodology.

Job outlook for separating, filtering, clarifying, precipitating, and still machine setters, operators, and tenders

2025 (actual)61,4002035 (projected)57,900
BLS projects employment of separating, filtering, clarifying, precipitating, and still machine setters, operators, and tenders to go from 61,400 in 2025 to 57,900 in 2035, a change of -5.7% (-3,500 jobs). All occupations are projected to grow +3.5%.
  • Average annual openings, 2025 to 2035: 5,200. Openings include new jobs plus replacement needs when workers retire or leave the occupation. Official projection

These are official BLS projections. ConnectPrep does not alter them or present its own forecasts as official statistics.

Source: U.S. Bureau of Labor Statistics, Employment Projections, Table 1.2: Occupational projections, 2025-35, and worker characteristics, 2025. Base year 2025, projected year 2035. Published August 27, 2026. Retrieved October 18, 2026. Methodology.

Education and training for separating, filtering, clarifying, precipitating, and still machine setters, operators, and tenders

Typical entry education
High school diploma or equivalent
Related work experience
None
On-the-job training
Moderate-term on-the-job training
O*NET Job Zone
Job Zone 1-2: Very Little to Some Preparation Needed

Highest education of people working in this occupation

Less than high school5.2%
High school diploma25%
Some college, no degree23.2%
Associate's degree13.9%
Bachelor's degree24.9%
Master's degree6.2%
Doctoral or professional1.6%
Share of workers age 25 and over by highest education completed, 2023-24. The most common level is a high school diploma (25%).
Source: U.S. Bureau of Labor Statistics, Employment Projections, Education and training tables 5.1 to 5.4. Attainment 2023-24 (ACS); wages 2025; projections 2025-35. Published August 27, 2026. Retrieved October 18, 2026. Methodology.

O*NET describes this preparation level as: Usually requires a high school diploma or GED, though some occupations may not.

Degrees and programs that lead to this career

Programs officially mapped to this occupation in the NCES and BLS CIP to SOC crosswalk. A mapping means the program commonly prepares students for the occupation, not that every graduate works in it. Official crosswalk

Source: National Center for Education Statistics and U.S. Bureau of Labor Statistics, CIP 2020 to SOC 2018 Crosswalk. CIP 2020 and SOC 2018 taxonomies. Published April 30, 2020. Retrieved October 18, 2026. Methodology.

Skills, knowledge, and daily work

Most important skills

Critical Thinking3.1
Monitoring3.1
Reading Comprehension3.0
Active Listening3.0
Writing2.9
Speaking2.9
Active Learning2.9
Learning Strategies2.8
O*NET importance rating on a 1 to 5 scale.

Most important knowledge areas

Production and Processing4.2
English Language3.5
Food Production3.5
Education and Training3.5
Mechanical3.4
Mathematics3.3
Chemistry3.1
Computers and Electronics3.0
O*NET importance rating on a 1 to 5 scale.

Typical tasks

  • Monitor material flow or instruments, such as temperature or pressure gauges, indicators, or meters, to ensure optimal processing conditions.
  • Inspect machines or equipment for hazards, operating efficiency, malfunctions, wear, or leaks.
  • Set up or adjust machine controls to regulate conditions such as material flow, temperature, or pressure.
  • Collect samples of materials or products for laboratory analysis.
  • Operate machines to process materials in compliance with applicable safety, energy, or environmental regulations.
  • Test samples to determine viscosity, acidity, specific gravity, or degree of concentration, using test equipment such as viscometers, pH meters, or hydrometers.
  • Maintain logs of instrument readings, test results, or shift production for entry in computer databases.
  • Communicate processing instructions to other workers.

Technology skills

  • Microsoft Office software (in demand)
  • Microsoft Excel (hot technology)
  • Microsoft Outlook (hot technology)
  • Microsoft PowerPoint (hot technology)
  • Microsoft Word (hot technology)
  • SAP software (hot technology)
  • Email software

Transferable skills for career changers: Operations Monitoring, Operation and Control, Quality Control Analysis, Judgment and Decision Making, Time Management, Coordination.

Common job titles: Blender, Brewer, Cellar Worker, Digester Cook, Machine Tender, Paper Machine Tender, Pasteurizer, Plant Operator, Pulper Operator, Winemaker.

This page includes information from the O*NET 31.0 Database by the U.S. Department of Labor, Employment and Training Administration (USDOL/ETA). Used under the CC BY 4.0 license. O*NET is a trademark of USDOL/ETA. ConnectPrep has modified all or some of this information. USDOL/ETA has not approved, endorsed, or tested these modifications.
Source: National Center for O*NET Development for USDOL/ETA, O*NET 31.0 Database (August 2026 release). Database release 31.0, August 2026; element dates vary by occupation. Published August 25, 2026. Retrieved October 18, 2026. Methodology.

Is it worth it? Model the cost of getting there

Use the ROI calculator to compare the cost of the education this career usually requires against staying on your current path. It starts from the official wage distribution above, and you can change every assumption.

Frequently asked questions

How much do separating, filtering, clarifying, precipitating, and still machine setters, operators, and tenders make?

The national median annual wage for separating, filtering, clarifying, precipitating, and still machine setters, operators, and tenders was $51,610 in May 2025, according to the BLS Occupational Employment and Wage Statistics program. The lowest paid 10 percent earned less than $36,200 and the highest paid 10 percent earned more than $79,750. These figures cover all workers in the occupation, not only new entrants.

What education do separating, filtering, clarifying, precipitating, and still machine setters, operators, and tenders need?

BLS lists high school diploma or equivalent as the typical education needed to enter this occupation, with none of related work experience and moderate-term on-the-job training on-the-job training typically needed to become competent.

Is separating, filtering, clarifying, precipitating, and still machine setters, operators, and tenders a growing career?

BLS projects employment of separating, filtering, clarifying, precipitating, and still machine setters, operators, and tenders to change -5.7% from 2025 to 2035, compared with +3.5% for all occupations. About 5,200 openings are projected each year on average, including openings from workers who retire or change occupations.

Which states pay separating, filtering, clarifying, precipitating, and still machine setters, operators, and tenders the most?

By median annual wage in May 2025, the highest paying states were Wyoming ($108,900), Nevada ($62,960), New Hampshire ($60,340). Pay differences partly reflect differences in living costs.

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