Water & Wastewater Operator Jobs

Water Operator Jobs Jar testing is an integral part of the water treatment process.

There are few jobs more important in the protection of public and private water and wastewater treatment systems than the Water Operator and Wastewater Operator. These positions are the backbone of the water supply and wastewater industries.

Becoming an operator is an attainable goal for men and women who meet basic requirements and qualifications. Each career path offers an entry level position typically called Operator-In-Training which requires minimal skills and experience. Those who are hired as a trainee must complete a probationary period ranging from 3 months to 1 year. Upon successful completion, the trainee is promoted to the next level.

Latest Job Openings in Water Operations

Water and Wastewater Operator
University of California, Davis
Davis, California July 08, 2025
Pump & Motor Technician Asst/Tech I/Tech II
Vallecitos Water District
San Marcos, California July 07, 2025
Plant Operator I, II or III (Night Shift)
Orange County Water District
Fountain Valley, California July 03, 2025
Operator
Silicon Valley Clean Water
Redwood City, California June 30, 2025
Resource Recovery Services Director (Operations Director)
Delta Diablo
Antioch, California June 26, 2025
Distribution System Operator
California American Water
Sacramento, California June 25, 2025
Utility Worker
Hawaii Water Service
Holualoa, Hawaii June 25, 2025
Water Distribution/Production Specialist
City of Fresno
Fresno, California June 23, 2025
Meter Reader (NM)
New Mexico Water Service
Rio Communities, New Mexico June 20, 2025
Director of Operations
Joshua Basin Water District
Joshua Tree, California June 18, 2025

Salary Comparison for Water Jobs

Salaries for Water Operators can vary dramatically depending on location. The United States Department of Labor reports the median salary for such jobs is $45,760 per year ($22 Hourly)1. Federal, State and Local governments offer compensation that can be higher than private agencies, but most employers include benefits such as basic health care, sick and vacation time. Below are salary ranges common in the water and wastewater industries:

Operator I Operator II Operator III
$25,800 - $66,500 Annually $50,300 - $75,100 Annually $65,200 - $88,300 Annually

Requirements & Qualifications

General Knowledge

Water Operator jobs require knowledge of electronic equipment and how to interpret and store the data collected during water treatment and distribution. Operators are expected to understand inventory management regarding the chemicals used during water treatment as well as fuel and supplies. Operators must know how to generate reports based upon routine operations, and understand current technology in water treatment, distribution and water quality.

A career in the water industry

Operators should have working knowledge of water treatment plant maintenance and the safety regulations that pertain to the work. In some cases, they must know how to service the equipment that treats the water which can include calibration and repairs. Employees should be familiar with standardized water quality tests and state and federal regulations that apply to that particular system.

Skills

Water Operators must be able to manage and operate water treatment system equipment including automatic control devices. They typically are responsible for repairing and calibrating plant equipment. Most employers expect water operators to be able to work without immediate or detailed supervision.

Education

Entry level positions in Water Operations or Wastewater Operations typically require only a high school diploma, however organizations prefer applicants have some level of higher education. A college degree will be beneficial for promotional opportunities in either career path—especially for positions like manager/supervisor or an executive management position in the water/wastewater industry.

Certification

Most operator jobs in the water and wastewater industries require employees to be certified for work within facilities of different sizes and types. Each state is responsible for maintaining a certification program for water and wastewater system operations. Certification levels and types differ from state to state, but they do share similarities in their requirements. The Environmental Protection Agency (EPA) provides a summary of state certifications.

Water Distribution and Water Treatment Certifications for California

Senior Water Treatment Plant Operator A senior operator surveys water quality.

In California, distribution systems are classified as D1 to D5 based on two factors: complexity of the system and population in the service area. Treatment systems are classified by three factors: treatment techniques, source water characteristics, and system capacity. Employees must meet the criteria to be certified for work in each of these classifications. In some cases, job applicants will be hired as a water operator or treatment plant operator with the expectation they apply for and receive the required certification at a certain point during their employment.

Water Operator Certification Costs in California

Below are the costs associated with the different levels of water distribution and water treatment system classifications2:

  1. United States Department of Labor, Bureau of Labor Statistics
  2. California State Water Resources Control Board