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Water Treatment Operator Part Time Jobs in Riverside, CA

Casual Loader

Bloomington, CA · On-site

$24.48/hr

Forklift Operator P T Hourly rate is $24.48 hr. Part-Time, Saturday 2am-10am, Sunday 10pm-6am PTO ... The Company prides itself in treating our employees and customers with respect and honesty. We ...

Casual Loader

Bloomington, CA · On-site

$24.48/hr

Forklift Operator P T Hourly rate is $24.48 hr. Part-Time, Saturday 2am-10am, Sunday 10pm-6am PTO ... The Company prides itself in treating our employees and customers with respect and honesty. We ...

Hours: Full-time and Part-time Focus: Public Works Infrastructure projects (Water/Wastewater/Roads/Treatment facilities/Airports/ Transportation) If this sounds like an opportunity you'd like to ...

Hours: Full-time and Part-time Focus: Public Works Infrastructure projects (Water/Wastewater/Roads/Treatment facilities/Airports/ Transportation) If this sounds like an opportunity you'd like to ...

Hours: Full-time and Part-time Focus: Public Works Infrastructure projects (Water/Wastewater/Roads/Treatment facilities/Airports/ Transportation) If this sounds like an opportunity you'd like to ...

Casual Loader

Bloomington, CA · On-site

$24.48/hr

Casual Forklift Operator P T Hourly rate is $24.48 hr. Part-Time, Saturday 2am - 10am and Sunday ... The Company prides itself in treating our employees and customers with respect and honesty. We ...

Ride Operator

Riverside, CA · On-site

$16.90/hr

... Part-time Pay: $16.90 / hr Shift: * Evening shift * Night shift Weekly day range: * Weekend ... water parks, and family entertainment centers. The company also owns the Professional Bowlers ...

Ride Operator

Riverside, CA · On-site

$16.90/hr

... Part-time Pay: $16.90 / hr Shift: * Evening shift * Night shift Weekly day range: * Weekend ... water parks, and family entertainment centers. The company also owns the Professional Bowlers ...

Ride Operator

Riverside, CA · On-site

$16.90/hr

... Part-time Pay: $16.90 / hr Shift: * Evening shift * Night shift Weekly day range: * Weekend ... water parks, and family entertainment centers. The company also owns the Professional Bowlers ...

Ride Operator

Riverside, CA · On-site

$16.90/hr

... Part-time Pay: $16.90 / hr Shift: * Evening shift * Night shift Weekly day range: * Weekend ... water parks, and family entertainment centers. The company also owns the Professional Bowlers ...

Ride Operator

Riverside, CA · On-site

$16.90/hr

... Part-time Pay: $16.90 / hr Shift: * Evening shift * Night shift Weekly day range: * Weekend ... water parks, and family entertainment centers. The company also owns the Professional Bowlers ...

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Showing results 1-20

Water Treatment Operator Part Time information

See Riverside, CA salary details

$14

$28

$51

How much do water treatment operator part time jobs pay per hour?

As of Sep 3, 2026, the average hourly pay for water treatment operator part time in Riverside, CA is $28.59, according to ZipRecruiter salary data. Most workers in this role earn between $20.34 and $34.38 per hour, depending on experience, location, and employer.

What does a water treatment operator part time do?

A Water Treatment Operator Part Time is responsible for monitoring and operating equipment used to treat and purify water for public consumption or industrial use. Their duties typically include testing water quality, adjusting chemical levels, maintaining treatment systems, and ensuring compliance with safety and environmental regulations. Part-time operators may work fewer hours but still play a vital role in ensuring that water meets health and quality standards. They often work under the supervision of full-time operators or plant managers, and may be scheduled during evenings, weekends, or as needed.

What are the key skills and qualifications needed to thrive as a water treatment operator part time, and why are they important?

To thrive as a Water Treatment Operator Part Time, you need knowledge of water treatment processes, chemistry, and safety protocols, often supported by a high school diploma or equivalent and relevant certifications. Familiarity with SCADA systems, water testing kits, and regulatory compliance software is typically required. Attention to detail, problem-solving abilities, and strong communication skills help operators respond to issues quickly and maintain safe water quality. These competencies are crucial to ensure public health, regulatory compliance, and efficient facility operation.

What are some common challenges faced by part-time water treatment operators, and how can they be managed?

Part-time Water Treatment Operators often face the challenge of staying up to date with system changes and maintenance schedules, especially when working less frequent shifts. To manage this, it's important to maintain clear communication with full-time staff and review shift logs regularly. Additionally, adapting quickly to unexpected issues, such as equipment malfunctions or changes in water quality, requires strong problem-solving skills and a solid understanding of standard operating procedures. Collaborative teamwork and ongoing training are key to meeting these challenges effectively.

What is the difference between Water Treatment Operator Part Time vs Water Treatment Technician?

AspectWater Treatment Operator Part TimeWater Treatment Technician
CertificationsTypically requires a state operator license or certificationOften requires similar certifications, may include additional technical training
Work EnvironmentPart-time shifts at water treatment plants, often during specific hoursFull-time or part-time roles in water treatment facilities, fieldwork possible
Employer & IndustryMunicipal water utilities, private water companiesMunicipal, industrial, or environmental service companies

Water Treatment Operator Part Time and Water Treatment Technician roles share similar certifications and work environments, often found in municipal or private water facilities. The main difference lies in employment status and hours, with part-time operators working fewer hours, while technicians may have more varied schedules and responsibilities.

What are the most commonly searched types of Water Treatment Operator jobs in Riverside, CA?

The most popular types of Water Treatment Operator jobs in Riverside, CA are:

What job categories do people searching Water Treatment Operator Part Time jobs in Riverside, CA look for?

The top searched job categories for Water Treatment Operator Part Time jobs in Riverside, CA are:

What cities near Riverside, CA are hiring for Water Treatment Operator Part Time jobs?

Cities near Riverside, CA with the most Water Treatment Operator Part Time job openings:

$45.80 - $60.31/hr

Full-time, Part-time

Medical, Dental, Vision, Life, Retirement

Posted 27 days ago


Job description

At the Metropolitan Water District of Southern California, we deliver reliable water to a region with 19 million people—and toaccomplishthis,we rely onateam of Talented Employees: innovators, problem-solvers, andcollaboratorswho make it all possible.

There is currently (1) Survey and Mapping Technician II position for the following location Weymouth Water Treatment Plant in La Verne, CA:

This recruitment may result in an eligibility list*.

Survey and Mapping Technician II is an intermediate-level position that applies a full range of specialized skills and job knowledge while performing land surveying duties. This is primarily a field position that reports to Metropolitan Water District’s Weymouth Water Treatment Plant in La Verne, CA and performs various types of field surveys within Metropolitan’s service area. As a Survey and Mapping Technician II, you will work alongside senior staff to assist and support surveyors in measuring pipelines, facilities and properties.

What You'll Do

• Assists with Field Surveys: Collaborating with senior survey staff on diverse projects.
• Assists with Diverse Projects: Supporting topographic, construction, and pipeline surveys.
• Assists with Precision Staking: Supporting right-of-way and pipeline staking tasks.
• Assists with Advanced Tech: Utilizing 3D laser scanning and modern survey equipment.
• Assists with Math Fundamentals: Using geometry and trigonometry to make precise measurements.
• Assists with Survey Data Analysis: Interpreting field results and processing project measurements.
• Assists with Project Team Support: Supporting senior personnel through all phases of surveying

To view the full job description click here: Surveying and Mapping Technician II

EMPLOYMENT STANDARDS
MINIMUM QUALIFICATIONS
Education and Experience: A high school diploma or certificate of high school equivalency (HSEC) and four years of progressively increasing responsibility work experience in field and/or office survey work; OR Associate's degree from an accredited college or university and two years of relevant experience; OR two years in an MWD Survey and Mapping Technician I classification

Relevant experience is defined as: general experience supporting field surveying or mapping work, which includes using survey equipment or software, and performing survey-related calculations. 
CERTIFICATIONS, LICENSES, AND REGISTRATION REQUIREMENTS
Employees in this position may be required to obtain and maintain the following certifications, licensing and registrations:


License(s): Valid California Class C Driver’s License or equivalent (required at time of application) that allows you to drive during your employment.

CLOSING
Benefits:
• Competitive compensation
• Excellent medical, dental, life, vision plans.
• Deferred compensation in the form of a 401(k) plan (with matching contribution) and a 457 plan.
• Retirement benefits under the California Public Employees' Retirement System
• Tuition reimbursement
• Training and advancement opportunities
• Excellent working environment
• Public transportation reimbursements 

For more information on MWD benefits, please use the following link: Benefits Regular FT PT Employees (Represented)


ABOUT MWD

The Metropolitan Water District of Southern California is a state-established cooperative that, along with its 26 cities and retail suppliers, provides water for 19 million people in six counties. The district imports water from the Colorado River and Northern California to supplement local supplies, and helps its members to develop increased water conservation, recycling, storage and other resource-management programs.

The Metropolitan Water District of Southern California is committed to providing reasonable accommodations to qualified individuals with disabilities. Qualified individuals with disabilities, who need a reasonable accommodation during the application or selection process, please call (213) 217-7738 or email: jobs@mwdh2o.com.

Metropolitan is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran, or any other protected characteristic(s).

Application Filing Period: Closes at 4:30 pm PT on the date stated in the job announcement. However it may close prior to the filing end date if sufficient applications have been received. If sufficient applications have not been received, then the filing period end date may be extended.

Eligibility List*: An eligibility list is a list of qualified candidates created when a job posting states that one will be established. 


Candidates who meet the minimum qualifications listed in the original posting and successfully pass all stages of the recruitment process—but are not selected for the initial vacancy—may be placed on this list for future openings. 

The list may be used to invite candidates to participate in a selection interview for a future vacancy in the same classification / title (if there is one). The duration of the list depends on the applicable bargaining unit. 

Qualifying Experience: Your resume must at a minimum include the month and year you began and ended employment, name of the organization, your title, and a brief description of your experience. If your employment was part-time, make sure you identify it on your resume next to the month/year. 

Sponsorship: Applicants for employment with The Metropolitan Water District of Southern California must have work authorization that does not now or in the future require sponsorship of a visa for employment authorization in the United States (i.e., H1-B or other employment-based immigration case).

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