Water and Wastewater Treatment Plant and System Operator Salary Information in California

The average annual and hourly salaries for water and wastewater treatment plant and system operators in the state of California are shown in Table 1 and Table 2, respectively. The comparison of the salary statistics of water and wastewater treatment plant and system operators amongst California metropolitan areas is shown in Table 3. The salary statistics are based on the national compensation survey conducted by the U.S. Bureau of Labor Statistics in 2017 and published in April 2018 [1].

Table 1 & 2. Annual & Hourly Salary of Water and Wastewater Treatment Plant and System Operators in California

Percentile BracketAverage Annual Salary
10th Percentile Wage
$40,820
25th Percentile Wage
$54,000
50th Percentile Wage
$68,800
75th Percentile Wage
$85,660
90th Percentile Wage
$101,100

Table 1 shows the average annual salary for water and wastewater treatment plant and system operators in California in 5 percentile scales. The average annual salary for the 90th percentile (the top 10 percent of the highest paid) is $101,100. The median (50th percentile) annual salary is $68,800. The average annual salary for the bottom 10 percent is $40,820.

Salary Trend (2012 to 2017)

The table and chart below show the trend of the median salary of water and wastewater treatment plant and system operators from 2012 to 2017.

YearMedian SalaryYearly Growth5-Year Growth
2017
$68,800
1.06% 6.96%
2016
$68,070
6.32% -
2015
$63,770
-0.74% -
2014
$64,240
2.04% -
2013
$62,930
-1.72% -
2012
$64,010
- -

Table 3. Median Annual Salary of Water and Wastewater Treatment Plant and System Operators in California Cities

Table 3 shows the median annual salary of water and wastewater treatment plant and system operators in some California cities and metropolitan areas. We note that the median annual salary of water and wastewater treatment plant and system operators in state of California ranges from $44,000 to $97,270. The highest paying area for water and wastewater treatment plant and system operators in California is Oakland-Fremont-Hayward with a median annual salary of $97,270. The second highest paying city/area in California State is San Francisco-Oakland-Fremont (mean annual salary $90,280). The lowest paying area is North Coast Region of California nonmetropolitan area with a median annual salary of $44,000.

Cities/Areas Median Annual Salary
Oakland-Fremont-Hayward
$97,270
San Francisco-Oakland-Fremont
$90,280
Vallejo-Fairfield
$85,350
San Jose-Sunnyvale-Santa Clara
$83,130
San Francisco-San Mateo-Redwood City
$80,800
Santa Rosa-Petaluma
$80,610
Los Angeles-Long Beach-Santa Ana
$75,040
Stockton
$74,790
Santa Cruz-Watsonville
$74,200
Los Angeles-Long Beach-Glendale
$73,450
Sacramento-Arden-Arcade-Roseville
$69,910
Santa Barbara-Santa Maria-Goleta
$69,020
Santa Ana-Anaheim-Irvine
$69,000
San Diego-Carlsbad-San Marcos
$67,340
Salinas
$66,940
Oxnard-Thousand Oaks-Ventura
$66,440
El Centro
$66,370
San Luis Obispo-Paso Robles
$65,900
Riverside-San Bernardino-Ontario
$65,390
Napa
$64,320
Northern Mountains Region of California nonmetropolitan area
$63,810
Modesto
$63,400
Yuba City
$58,960
Bakersfield-Delano
$58,100
Mother Lode Region of California nonmetropolitan area
$56,460
Merced
$56,280
Eastern Sierra Region of California nonmetropolitan area
$56,250
Hanford-Corcoran
$54,730
Redding
$54,230
Chico
$53,320
North Valley Region of California nonmetropolitan area
$51,610
Madera-Chowchilla
$51,000
Fresno
$50,670
Visalia-Porterville
$44,350
North Coast Region of California nonmetropolitan area
$44,000




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