Occupational Employment Statistics

May 2007 National Industry-Specific Occupational Employment and Wage Estimates

NAICS 221300 - Water, Sewage and Other Systems


These national industry-specific occupational employment and wage estimates are calculated with data collected from employers of all sizes, in metropolitan and nonmetropolitan areas in every State and the District of Columbia, in NAICS 221300 - Water, Sewage and Other Systems.

Additional information, including the hourly and annual 10th, 25th, 75th, and 90th percentile wages, percent of establishments reporting the occupation, and the employment percent relative standard error, is available in the downloadable Excel files(XLS).

NAICS Industry 221300 - Water, Sewage and Other Systems is part of: NAICS 221000 - Utilities.

Links to OES estimates for other industries

SOC Major Groups in NAICS 221300 - Water, Sewage and Other Systems:


NAICS 221300 - Water, Sewage and Other Systems

All Occupations top
Employment Estimates Wage Estimates
SOC Code Number Occupation Title Employment (1) Percent of Total Median Hourly Mean Hourly Mean Annual (2) Mean RSE (3)
00-0000 All Occupations 46,700 100.00% $16.80 $19.24 $40,010 1.2 %
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Management Occupations top
Employment Estimates Wage Estimates
SOC Code Number Occupation Title (click on the occupation title to view an occupational profile) Employment (1) Percent of Total Median Hourly Mean Hourly Mean Annual (2) Mean RSE (3)
11-0000 Management Occupations 2,140 4.58% $39.14 $44.44 $92,440 2.7 %
11-1011 Chief Executives 190 0.41% $58.07 $63.54 $132,160 14.1 %
11-1021 General and Operations Managers 1,120 2.40% $36.14 $41.65 $86,620 2.7 %
11-2021 Marketing Managers (8) (8) $49.64 $53.72 $111,740 7.8 %
11-2022 Sales Managers 30 0.06% $45.17 $45.65 $94,950 5.8 %
11-3011 Administrative Services Managers 130 0.28% $32.89 $35.15 $73,120 7.0 %
11-3031 Financial Managers 140 0.30% $44.45 $48.43 $100,730 4.1 %
11-3051 Industrial Production Managers 100 0.21% $43.02 $44.06 $91,650 6.6 %
11-3071 Transportation, Storage, and Distribution Managers 30 0.06% $35.90 $40.50 $84,230 8.6 %
11-9021 Construction Managers 50 0.11% $43.06 $47.71 $99,240 9.8 %
11-9041 Engineering Managers 130 0.28% $47.87 $50.19 $104,400 5.4 %
11-9199 Managers, All Other 90 0.19% $33.11 $32.33 $67,250 8.6 %
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Business and Financial Operations Occupations top
Employment Estimates Wage Estimates
SOC Code Number Occupation Title (click on the occupation title to view an occupational profile) Employment (1) Percent of Total Median Hourly Mean Hourly Mean Annual (2) Mean RSE (3)
13-0000 Business and Financial Operations Occupations 950 2.03% $27.71 $29.56 $61,480 2.9 %
13-1023 Purchasing Agents, Except Wholesale, Retail, and Farm Products 60 0.13% $24.35 $25.62 $53,280 4.3 %
13-1072 Compensation, Benefits, and Job Analysis Specialists 40 0.09% $23.04 $24.12 $50,160 4.7 %
13-1111 Management Analysts 90 0.19% $29.19 $38.29 $79,640 13.1 %
13-1199 Business Operations Specialists, All Other 220 0.47% $28.42 $29.11 $60,550 8.5 %
13-2011 Accountants and Auditors 380 0.81% $28.17 $29.68 $61,740 2.3 %
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Computer and Mathematical Science Occupations top
Employment Estimates Wage Estimates
SOC Code Number Occupation Title (click on the occupation title to view an occupational profile) Employment (1) Percent of Total Median Hourly Mean Hourly Mean Annual (2) Mean RSE (3)
15-0000 Computer and Mathematical Science Occupations 220 0.47% $30.23 $30.73 $63,910 2.4 %
15-1041 Computer Support Specialists 50 0.11% $23.46 $24.80 $51,570 4.4 %
15-1051 Computer Systems Analysts (8) (8) $30.45 $30.43 $63,300 2.8 %
15-1071 Network and Computer Systems Administrators 70 0.15% $31.80 $32.64 $67,890 3.8 %
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Architecture and Engineering Occupations top
Employment Estimates Wage Estimates
SOC Code Number Occupation Title (click on the occupation title to view an occupational profile) Employment (1) Percent of Total Median Hourly Mean Hourly Mean Annual (2) Mean RSE (3)
17-0000 Architecture and Engineering Occupations 1,040 2.23% $29.79 $31.77 $66,090 2.3 %
17-2051 Civil Engineers 230 0.49% $34.98 $38.13 $79,310 4.1 %
17-2071 Electrical Engineers 50 0.11% $34.34 $35.81 $74,480 4.8 %
17-2081 Environmental Engineers 210 0.45% $33.91 $36.60 $76,130 6.3 %
17-2141 Mechanical Engineers 60 0.13% $28.97 $30.75 $63,970 3.8 %
17-2199 Engineers, All Other 30 0.06% $33.65 $33.81 $70,320 6.0 %
17-3011 Architectural and Civil Drafters 40 0.09% $27.60 $26.52 $55,160 4.0 %
17-3012 Electrical and Electronics Drafters 40 0.09% $27.92 $27.55 $57,310 3.7 %
17-3022 Civil Engineering Technicians 130 0.28% $25.77 $25.31 $52,650 2.1 %
17-3023 Electrical and Electronic Engineering Technicians 40 0.09% $25.97 $26.23 $54,550 7.8 %
17-3031 Surveying and Mapping Technicians 70 0.15% $17.46 $17.87 $37,170 4.8 %
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Life, Physical, and Social Science Occupations top
Employment Estimates Wage Estimates
SOC Code Number Occupation Title (click on the occupation title to view an occupational profile) Employment (1) Percent of Total Median Hourly Mean Hourly Mean Annual (2) Mean RSE (3)
19-0000 Life, Physical, and Social Science Occupations 380 0.81% $21.42 $22.51 $46,820 3.0 %
19-2031 Chemists 100 0.21% $23.48 $25.53 $53,100 5.1 %
19-2041 Environmental Scientists and Specialists, Including Health 100 0.21% (8) (8) (8) (8)
19-4031 Chemical Technicians 60 0.13% $20.41 $20.95 $43,580 3.3 %
19-4099 Life, Physical, and Social Science Technicians, All Other 60 0.13% $15.05 $16.95 $35,250 10.9 %
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Legal Occupations top
Employment Estimates Wage Estimates
SOC Code Number Occupation Title (click on the occupation title to view an occupational profile) Employment (1) Percent of Total Median Hourly Mean Hourly Mean Annual (2) Mean RSE (3)
23-0000 Legal Occupations 30 0.06% $39.41 $48.36 $100,590 6.9 %
23-1011 Lawyers 30 0.06% $39.68 $49.26 $102,460 6.6 %
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Arts, Design, Entertainment, Sports, and Media Occupations top
Employment Estimates Wage Estimates
SOC Code Number Occupation Title (click on the occupation title to view an occupational profile) Employment (1) Percent of Total Median Hourly Mean Hourly Mean Annual (2) Mean RSE (3)
27-0000 Arts, Design, Entertainment, Sports, and Media Occupations 50 0.11% $27.82 $28.00 $58,240 3.8 %
27-3031 Public Relations Specialists 40 0.09% $26.61 $27.36 $56,910 4.6 %
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Protective Service Occupations top
Employment Estimates Wage Estimates
SOC Code Number Occupation Title (click on the occupation title to view an occupational profile) Employment (1) Percent of Total Median Hourly Mean Hourly Mean Annual (2) Mean RSE (3)
33-0000 Protective Service Occupations (8) (8) $7.25 $12.17 $25,320 15.2 %
33-9032 Security Guards (8) (8) $7.10 $11.24 $23,380 12.8 %
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Building and Grounds Cleaning and Maintenance Occupations top
Employment Estimates Wage Estimates
SOC Code Number Occupation Title (click on the occupation title to view an occupational profile) Employment (1) Percent of Total Median Hourly Mean Hourly Mean Annual (2) Mean RSE (3)
37-0000 Building and Grounds Cleaning and Maintenance Occupations 370 0.79% $10.38 $12.36 $25,710 5.1 %
37-2011 Janitors and Cleaners, Except Maids and Housekeeping Cleaners 140 0.30% $9.78 $11.52 $23,960 7.0 %
37-3011 Landscaping and Groundskeeping Workers 170 0.36% $9.53 $11.27 $23,440 8.9 %
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Sales and Related Occupations top
Employment Estimates Wage Estimates
SOC Code Number Occupation Title (click on the occupation title to view an occupational profile) Employment (1) Percent of Total Median Hourly Mean Hourly Mean Annual (2) Mean RSE (3)
41-0000 Sales and Related Occupations 740 1.58% $21.13 $24.94 $51,880 6.2 %
41-1012 First-Line Supervisors/Managers of Non-Retail Sales Workers (8) (8) $36.70 $40.96 $85,200 17.5 %
41-2011 Cashiers 110 0.24% $10.39 $10.23 $21,290 4.4 %
41-3099 Sales Representatives, Services, All Other 130 0.28% $24.44 $28.07 $58,380 7.5 %
41-4011 Sales Representatives, Wholesale and Manufacturing, Technical and Scientific Products 110 0.24% $26.36 $29.61 $61,590 8.8 %
41-4012 Sales Representatives, Wholesale and Manufacturing, Except Technical and Scientific Products 290 0.62% $22.00 $26.02 $54,120 8.9 %
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Office and Administrative Support Occupations top
Employment Estimates Wage Estimates
SOC Code Number Occupation Title (click on the occupation title to view an occupational profile) Employment (1) Percent of Total Median Hourly Mean Hourly Mean Annual (2) Mean RSE (3)
43-0000 Office and Administrative Support Occupations 13,330 28.54% $13.41 $14.36 $29,870 1.0 %
43-1011 First-Line Supervisors/Managers of Office and Administrative Support Workers 960 2.06% $19.59 $21.39 $44,490 2.1 %
43-3011 Bill and Account Collectors 210 0.45% $14.31 $15.04 $31,290 4.1 %
43-3021 Billing and Posting Clerks and Machine Operators 550 1.18% $12.27 $13.24 $27,540 2.4 %
43-3031 Bookkeeping, Accounting, and Auditing Clerks 1,930 4.13% $13.06 $13.82 $28,750 2.9 %
43-3051 Payroll and Timekeeping Clerks 100 0.21% $17.30 $17.80 $37,020 3.2 %
43-4051 Customer Service Representatives 1,260 2.70% $14.77 $15.82 $32,910 2.1 %
43-4161 Human Resources Assistants, Except Payroll and Timekeeping (8) (8) $19.03 $19.71 $41,000 5.6 %
43-4171 Receptionists and Information Clerks 110 0.24% $12.70 $12.59 $26,190 4.2 %
43-5032 Dispatchers, Except Police, Fire, and Ambulance 110 0.24% $18.92 $20.06 $41,720 4.3 %
43-5041 Meter Readers, Utilities 2,670 5.72% $13.50 $14.40 $29,940 2.3 %
43-5061 Production, Planning, and Expediting Clerks 110 0.24% $20.99 $22.55 $46,890 6.2 %
43-5081 Stock Clerks and Order Fillers 50 0.11% $17.26 $17.98 $37,390 6.0 %
43-6011 Executive Secretaries and Administrative Assistants 880 1.88% $17.16 $17.95 $37,330 1.5 %
43-6014 Secretaries, Except Legal, Medical, and Executive 2,170 4.65% $11.00 $11.63 $24,180 2.0 %
43-9021 Data Entry Keyers (8) (8) $13.27 $13.02 $27,090 5.0 %
43-9061 Office Clerks, General 1,950 4.18% $10.44 $11.32 $23,540 2.2 %
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Farming, Fishing, and Forestry Occupations top
Employment Estimates Wage Estimates
SOC Code Number Occupation Title (click on the occupation title to view an occupational profile) Employment (1) Percent of Total Median Hourly Mean Hourly Mean Annual (2) Mean RSE (3)
45-0000 Farming, Fishing, and Forestry Occupations 340 0.73% $10.69 $11.96 $24,880 5.7 %
45-1011 First-Line Supervisors/Managers of Farming, Fishing, and Forestry Workers 40 0.09% $16.26 $16.83 $35,000 3.9 %
45-2092 Farmworkers and Laborers, Crop, Nursery, and Greenhouse 150 0.32% $10.05 $11.63 $24,180 11.3 %
45-2099 Agricultural Workers, All Other 150 0.32% $10.32 $11.17 $23,220 5.7 %
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Construction and Extraction Occupations top
Employment Estimates Wage Estimates
SOC Code Number Occupation Title (click on the occupation title to view an occupational profile) Employment (1) Percent of Total Median Hourly Mean Hourly Mean Annual (2) Mean RSE (3)
47-0000 Construction and Extraction Occupations 5,040 10.79% $18.38 $19.62 $40,810 2.1 %
47-1011 First-Line Supervisors/Managers of Construction Trades and Extraction Workers 470 1.01% $27.13 $27.93 $58,090 2.5 %
47-2051 Cement Masons and Concrete Finishers 40 0.09% (8) (8) (8) (8)
47-2061 Construction Laborers 880 1.88% $16.30 $17.49 $36,390 3.9 %
47-2073 Operating Engineers and Other Construction Equipment Operators 580 1.24% $20.72 $21.21 $44,110 3.2 %
47-2111 Electricians 140 0.30% $21.10 $21.92 $45,590 3.0 %
47-2151 Pipelayers 730 1.56% $18.73 $18.68 $38,860 4.6 %
47-2152 Plumbers, Pipefitters, and Steamfitters 1,510 3.23% $17.73 $19.65 $40,880 3.8 %
47-3015 Helpers--Pipelayers, Plumbers, Pipefitters, and Steamfitters 120 0.26% $11.48 $12.27 $25,510 9.0 %
47-4011 Construction and Building Inspectors 110 0.24% $23.02 $24.01 $49,940 7.4 %
47-4041 Hazardous Materials Removal Workers (8) (8) $11.49 $11.98 $24,910 6.8 %
47-4071 Septic Tank Servicers and Sewer Pipe Cleaners 110 0.24% $10.38 $12.43 $25,850 11.3 %
47-4099 Construction and Related Workers, All Other 40 0.09% $9.80 $12.18 $25,340 17.2 %
47-5021 Earth Drillers, Except Oil and Gas 40 0.09% $19.71 $17.83 $37,080 13.9 %
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Installation, Maintenance, and Repair Occupations top
Employment Estimates Wage Estimates
SOC Code Number Occupation Title (click on the occupation title to view an occupational profile) Employment (1) Percent of Total Median Hourly Mean Hourly Mean Annual (2) Mean RSE (3)
49-0000 Installation, Maintenance, and Repair Occupations 5,720 12.25% $17.03 $18.34 $38,150 1.9 %
49-1011 First-Line Supervisors/Managers of Mechanics, Installers, and Repairers 560 1.20% $26.03 $26.76 $55,650 2.0 %
49-2095 Electrical and Electronics Repairers, Powerhouse, Substation, and Relay 50 0.11% $15.62 $16.33 $33,960 5.6 %
49-3023 Automotive Service Technicians and Mechanics 70 0.15% $23.68 $23.25 $48,350 3.7 %
49-3031 Bus and Truck Mechanics and Diesel Engine Specialists 50 0.11% $19.26 $19.81 $41,210 8.6 %
49-3041 Farm Equipment Mechanics 190 0.41% $17.35 $18.28 $38,020 17.3 %
49-9012 Control and Valve Installers and Repairers, Except Mechanical Door 1,520 3.25% $16.15 $17.89 $37,210 2.7 %
49-9021 Heating, Air Conditioning, and Refrigeration Mechanics and Installers 110 0.24% $14.98 $18.20 $37,850 9.9 %
49-9041 Industrial Machinery Mechanics 510 1.09% $19.30 $19.78 $41,150 3.1 %
49-9042 Maintenance and Repair Workers, General 1,860 3.98% $15.55 $16.57 $34,460 3.6 %
49-9043 Maintenance Workers, Machinery 150 0.32% $16.56 $17.00 $35,370 6.0 %
49-9098 Helpers--Installation, Maintenance, and Repair Workers 320 0.69% $12.77 $14.13 $29,380 9.6 %
49-9099 Installation, Maintenance, and Repair Workers, All Other 150 0.32% (8) (8) (8) (8)
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Production Occupations top
Employment Estimates Wage Estimates
SOC Code Number Occupation Title (click on the occupation title to view an occupational profile) Employment (1) Percent of Total Median Hourly Mean Hourly Mean Annual (2) Mean RSE (3)
51-0000 Production Occupations 14,470 30.99% $17.61 $18.74 $38,990 1.1 %
51-1011 First-Line Supervisors/Managers of Production and Operating Workers 1,730 3.70% $25.55 $26.36 $54,820 1.8 %
51-4121 Welders, Cutters, Solderers, and Brazers 50 0.11% $16.34 $16.34 $34,000 4.6 %
51-8012 Power Distributors and Dispatchers (8) (8) $31.65 $29.56 $61,490 7.0 %
51-8013 Power Plant Operators 200 0.43% $20.18 $22.18 $46,130 5.0 %
51-8021 Stationary Engineers and Boiler Operators 420 0.90% $21.74 $21.68 $45,090 4.9 %
51-8031 Water and Liquid Waste Treatment Plant and System Operators 10,910 23.36% $16.86 $17.54 $36,470 1.2 %
51-8099 Plant and System Operators, All Other (8) (8) $19.94 $18.83 $39,170 9.8 %
51-9061 Inspectors, Testers, Sorters, Samplers, and Weighers 330 0.71% $16.49 $17.28 $35,940 5.3 %
51-9198 Helpers--Production Workers 240 0.51% $9.76 $11.07 $23,030 7.3 %
51-9199 Production Workers, All Other 270 0.58% $16.83 $17.53 $36,450 7.9 %
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Transportation and Material Moving Occupations top
Employment Estimates Wage Estimates
SOC Code Number Occupation Title (click on the occupation title to view an occupational profile) Employment (1) Percent of Total Median Hourly Mean Hourly Mean Annual (2) Mean RSE (3)
53-0000 Transportation and Material Moving Occupations 1,810 3.88% $13.90 $14.90 $31,000 2.9 %
53-1021 First-Line Supervisors/Managers of Helpers, Laborers, and Material Movers, Hand 40 0.09% $20.88 $21.04 $43,760 7.2 %
53-1031 First-Line Supervisors/Managers of Transportation and Material-Moving Machine and Vehicle Operators 40 0.09% $17.39 $20.12 $41,860 6.8 %
53-3031 Driver/Sales Workers (8) (8) $15.95 $15.99 $33,250 5.7 %
53-3032 Truck Drivers, Heavy and Tractor-Trailer 340 0.73% $16.54 $16.89 $35,130 2.8 %
53-3033 Truck Drivers, Light or Delivery Services 190 0.41% $13.96 $14.18 $29,490 4.1 %
53-7032 Excavating and Loading Machine and Dragline Operators (8) (8) $22.00 $21.83 $45,410 6.0 %
53-7051 Industrial Truck and Tractor Operators 40 0.09% $14.00 $15.53 $32,310 4.5 %
53-7062 Laborers and Freight, Stock, and Material Movers, Hand 800 1.71% $11.25 $11.68 $24,290 2.4 %
53-7199 Material Moving Workers, All Other 40 0.09% $13.19 $13.70 $28,500 10.5 %

About May 2007 National Industry-Specific Occupational Employment and Wage Estimates

(1) Estimates for detailed occupations do not sum to the totals because the totals include occupations not shown separately. Estimates do not include self-employed workers.

(2) Annual wages have been calculated by multiplying the hourly mean wage by a "year-round, full-time" hours figure of 2,080 hours; for those occupations where there is not an hourly mean wage published, the annual wage has been directly calculated from the reported survey data.

(3) The relative standard error (RSE) is a measure of the reliability of a survey statistic. The smaller the relative standard error, the more precise the estimate.

(8) Estimates not released.

(c) Corrected on February 12, 2009.




Other OES estimates and related information:

May 2007 National Occupational Employment and Wage Estimates (cross-industry estimates)

May 2007 State Occupational Employment and Wage Estimates (cross-industry estimates)

May 2007 Metropolitan and Nonmetropolitan Area Occupational Employment and Wage Estimates (cross-industry estimates)

May 2007 National Industry-Specific Occupational Employment and Wage Estimates

List of Occupations in SOC Code Number Order

List of Occupations in Alphabetical Order

Download May 2007 Occupational Employment and Wage Estimates in Zipped Excel files

Technical notes

Last Modified Date: February 12, 2009

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