California Wages 51-8031.00 - Water and Wastewater Treatment Plant and System Operators

In California:

  • Workers on average earn $81,770.
  • 10% of workers earn $56,030 or less.
  • 10% of workers earn $123,380 or more.

In the United States:

  • Workers on average earn $60,020.
  • 10% of workers earn $39,110 or less.
  • 10% of workers earn $91,060 or more.

Source: Bureau of Labor Statistics 2025 wage data external site.

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LocationAnnual Low (10%)Annual QL (25%)Annual Median (50%)Annual QU (75%)Annual High (90%)
United States$39,110$48,040$60,020$74,780$91,060
California$56,030$65,250$81,770$103,550$123,380
Bakersfield-Delano, CA$50,740$59,550$64,640$80,480$100,720
Chico, CA$49,440$57,660$80,360$100,210$110,850
Eastern Sierra-Mother Lode Region of California nonmetropolitan area$57,580$58,560$77,720$90,490$107,640
El Centro, CA$47,220$59,200$74,790$88,590$112,860
Fresno, CA$46,890$56,360$67,260$79,850$101,830
Hanford-Corcoran, CA$48,480$53,990$64,320$76,130$86,720
Los Angeles-Long Beach-Anaheim, CA$54,240$67,150$82,460$101,930$116,900
Merced, CA$47,720$55,150$76,790$81,280$97,180
Modesto, CA$53,340$63,100$78,710$91,090$97,550
Napa, CA$61,400$80,670$101,540$113,130$127,960
North Coast Region of California nonmetropolitan area$51,040$57,680$65,920$78,830$90,740
North Valley-Northern Mountains Region of California nonmetropolitan area$48,730$57,680$66,370$80,940$106,290
Oxnard-Thousand Oaks-Ventura, CA$50,590$61,900$78,350$99,380$104,530
Redding, CA$46,560$60,360$77,550$98,400$101,810
Riverside-San Bernardino-Ontario, CA$56,870$66,540$82,780$103,730$112,070
Sacramento-Roseville-Folsom, CA$61,970$76,110$85,950$101,730$118,340
Salinas, CA$60,820$74,420$77,920$102,880$125,540
San Diego-Chula Vista-Carlsbad, CA$61,390$70,000$79,630$102,770$108,020
San Francisco-Oakland-Fremont, CA$73,570$98,090$125,160$137,170$147,790
San Jose-Sunnyvale-Santa Clara, CA$63,150$83,260$108,190$128,990$139,050
San Luis Obispo-Paso Robles, CA$58,010$64,450$83,190$102,000$104,990
Santa Cruz-Watsonville, CA$60,650$69,340$94,060$109,410$119,090
Santa Maria-Santa Barbara, CA$57,660$67,580$85,960$102,810$127,550
Santa Rosa-Petaluma, CA$62,480$62,750$82,200$100,250$102,440
Stockton-Lodi, CA$57,230$61,590$81,600$103,620$117,470
Vallejo, CA$65,390$75,850$106,150$117,140$129,470
Visalia, CA$47,310$58,210$76,580$95,480$100,130
Yuba City, CA$52,380$60,050$78,520$101,830$111,630

In California:

  • Workers on average earn $39.31 per hour.
  • 10% of workers earn $26.94 or less per hour.
  • 10% of workers earn $59.32 or more per hour.

In the United States:

  • Workers on average earn $28.86 per hour.
  • 10% of workers earn $18.80 or less per hour.
  • 10% of workers earn $43.78 or more per hour.

Source: Bureau of Labor Statistics 2025 wage data external site.

Full Details Save Table: XLSX CSV

LocationHourly Low (10%)Hourly QL (25%)Hourly Median (50%)Hourly QU (75%)Hourly High (90%)
United States$18.80$23.10$28.86$35.95$43.78
California$26.94$31.37$39.31$49.78$59.32
Bakersfield-Delano, CA$24.40$28.63$31.08$38.69$48.43
Chico, CA$23.77$27.72$38.64$48.18$53.29
Eastern Sierra-Mother Lode Region of California nonmetropolitan area$27.68$28.16$37.36$43.51$51.75
El Centro, CA$22.70$28.46$35.96$42.59$54.26
Fresno, CA$22.54$27.10$32.34$38.39$48.96
Hanford-Corcoran, CA$23.31$25.96$30.93$36.60$41.69
Los Angeles-Long Beach-Anaheim, CA$26.08$32.28$39.64$49.00$56.20
Merced, CA$22.94$26.51$36.92$39.08$46.72
Modesto, CA$25.64$30.34$37.84$43.79$46.90
Napa, CA$29.52$38.78$48.82$54.39$61.52
North Coast Region of California nonmetropolitan area$24.54$27.73$31.69$37.90$43.63
North Valley-Northern Mountains Region of California nonmetropolitan area$23.43$27.73$31.91$38.91$51.10
Oxnard-Thousand Oaks-Ventura, CA$24.32$29.76$37.67$47.78$50.26
Redding, CA$22.38$29.02$37.28$47.31$48.95
Riverside-San Bernardino-Ontario, CA$27.34$31.99$39.80$49.87$53.88
Sacramento-Roseville-Folsom, CA$29.79$36.59$41.32$48.91$56.89
Salinas, CA$29.24$35.78$37.46$49.46$60.36
San Diego-Chula Vista-Carlsbad, CA$29.51$33.65$38.29$49.41$51.93
San Francisco-Oakland-Fremont, CA$35.37$47.16$60.17$65.95$71.05
San Jose-Sunnyvale-Santa Clara, CA$30.36$40.03$52.02$62.02$66.85
San Luis Obispo-Paso Robles, CA$27.89$30.98$40.00$49.04$50.47
Santa Cruz-Watsonville, CA$29.16$33.34$45.22$52.60$57.26
Santa Maria-Santa Barbara, CA$27.72$32.49$41.33$49.43$61.32
Santa Rosa-Petaluma, CA$30.04$30.17$39.52$48.20$49.25
Stockton-Lodi, CA$27.51$29.61$39.23$49.82$56.48
Vallejo, CA$31.44$36.47$51.04$56.32$62.24
Visalia, CA$22.75$27.98$36.82$45.91$48.14
Yuba City, CA$25.18$28.87$37.75$48.96$53.67