Wage information comes from the Bureau of Labor Statistics, Occupational Employment Statistics Program. The OES is a semi-annual survey that provides wage and employment statistics for the nation, each state, and sub-state regions.

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          Wages for Water and Wastewater Treatment Plant and System Operators in CALIFORNIA

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          Location Pay
          Period          		 2025
          10% 25% Median 75% 90%
          United States Hourly $18.80 $23.10 $28.86 $35.95 $43.78
          Yearly $39,110 $48,040 $60,020 $74,780 $91,060
          California Hourly $26.94 $31.37 $39.31 $49.78 $59.32
          Yearly $56,030 $65,250 $81,770 $103,550 $123,380
          Chico, CA Metro Area Hourly $23.77 $27.72 $38.64 $48.18 $53.29
          Yearly $49,440 $57,660 $80,360 $100,210 $110,850
          San Luis Obispo-Paso Robles, CA Metro Area Hourly $27.89 $30.98 $40.00 $49.04 $50.47
          Yearly $58,010 $64,450 $83,190 $102,000 $104,990
          Modesto, CA Metro Area Hourly $25.64 $30.34 $37.84 $43.79 $46.90
          Yearly $53,340 $63,100 $78,710 $91,090 $97,550
          Sacramento-Roseville-Folsom, CA Metro Area Hourly $29.79 $36.59 $41.32 $48.91 $56.89
          Yearly $61,970 $76,110 $85,950 $101,730 $118,340
          Santa Rosa-Petaluma, CA Metro Area Hourly $30.04 $30.17 $39.52 $48.20 $49.25
          Yearly $62,480 $62,750 $82,200 $100,250 $102,440
          Bakersfield-Delano, CA Metro Area Hourly $24.40 $28.63 $31.08 $38.69 $48.43
          Yearly $50,740 $59,550 $64,640 $80,480 $100,720
          San Diego-Chula Vista-Carlsbad, CA Metro Area Hourly $29.51 $33.65 $38.29 $49.41 $51.93
          Yearly $61,390 $70,000 $79,630 $102,770 $108,020
          Riverside-San Bernardino-Ontario, CA Metro Area Hourly $27.34 $31.99 $39.80 $49.87 $53.88
          Yearly $56,870 $66,540 $82,780 $103,730 $112,070
          Santa Maria-Santa Barbara, CA Metro Area Hourly $27.72 $32.49 $41.33 $49.43 $61.32
          Yearly $57,660 $67,580 $85,960 $102,810 $127,550
          Santa Cruz-Watsonville, CA Metro Area Hourly $29.16 $33.34 $45.22 $52.60 $57.26
          Yearly $60,650 $69,340 $94,060 $109,410 $119,090
          North Coast Region of California Balance of State Hourly $24.54 $27.73 $31.69 $37.90 $43.63
          Yearly $51,040 $57,680 $65,920 $78,830 $90,740
          Vallejo, CA Metro Area Hourly $31.44 $36.47 $51.04 $56.32 $62.24
          Yearly $65,390 $75,850 $106,150 $117,140 $129,470
          Merced, CA Metro Area Hourly $22.94 $26.51 $36.92 $39.08 $46.72
          Yearly $47,720 $55,150 $76,790 $81,280 $97,180
          Hanford-Corcoran, CA Metro Area Hourly $23.31 $25.96 $30.93 $36.60 $41.69
          Yearly $48,480 $53,990 $64,320 $76,130 $86,720
          Redding, CA Metro Area Hourly $22.38 $29.02 $37.28 $47.31 $48.95
          Yearly $46,560 $60,360 $77,550 $98,400 $101,810
          Oxnard-Thousand Oaks-Ventura, CA Metro Area Hourly $24.32 $29.76 $37.67 $47.78 $50.26
          Yearly $50,590 $61,900 $78,350 $99,380 $104,530
          Eastern Sierra-Mother Lode Region of California Balance of State Hourly $27.68 $28.16 $37.36 $43.51 $51.75
          Yearly $57,580 $58,560 $77,720 $90,490 $107,640
          Napa, CA Metro Area Hourly $29.52 $38.78 $48.82 $54.39 $61.52
          Yearly $61,400 $80,670 $101,540 $113,130 $127,960
          Salinas, CA Metro Area Hourly $29.24 $35.78 $37.46 $49.46 $60.36
          Yearly $60,820 $74,420 $77,920 $102,880 $125,540
          North Valley-Northern Mountains Region of California Balance of State Hourly $23.43 $27.73 $31.91 $38.91 $51.10
          Yearly $48,730 $57,680 $66,370 $80,940 $106,290
          Stockton-Lodi, CA Metro Area Hourly $27.51 $29.61 $39.23 $49.82 $56.48
          Yearly $57,230 $61,590 $81,600 $103,620 $117,470
          Fresno, CA Metro Area Hourly $22.54 $27.10 $32.34 $38.39 $48.96
          Yearly $46,890 $56,360 $67,260 $79,850 $101,830
          Yuba City, CA Metro Area Hourly $25.18 $28.87 $37.75 $48.96 $53.67
          Yearly $52,380 $60,050 $78,520 $101,830 $111,630
          El Centro, CA Metro Area Hourly $22.70 $28.46 $35.96 $42.59 $54.26
          Yearly $47,220 $59,200 $74,790 $88,590 $112,860
          Visalia, CA Metro Area Hourly $22.75 $27.98 $36.82 $45.91 $48.14
          Yearly $47,310 $58,210 $76,580 $95,480 $100,130
          San Francisco-Oakland-Fremont, CA Metro Area Hourly $35.37 $47.16 $60.17 $65.95 $71.05
          Yearly $73,570 $98,090 $125,160 $137,170 $147,790
          Los Angeles-Long Beach-Anaheim, CA Metro Area Hourly $26.08 $32.28 $39.64 $49.00 $56.20
          Yearly $54,240 $67,150 $82,460 $101,930 $116,900
          San Jose-Sunnyvale-Santa Clara, CA Metro Area Hourly $30.36 $40.03 $52.02 $62.02 $66.85
          Yearly $63,150 $83,260 $108,190 $128,990 $139,050