Water Sampling Field Technician

Water Otter Job Board; La Verne (CA); On-site; USD 60,000 - 72,000; Full time

Benefits offered by this job

Competitive pay

Medical & dental

Retirement plans (401k 457)

CalPERS

Tuition reimbursement

Training & advancement

Transit reimbursement

Great work environment

Job summary

The Metropolitan Water District of Southern California is seeking a Water Sampling Field Technician at the F.E. Weymouth Filtration Plant in La Verne, CA. You will collect samples, perform in-field tests, and ensure data integrity for public health.

Strong background in water sampling, lab work, and regulatory compliance is required. This role involves driving to facilities, entering data in LIMS, and maintaining equipment.

Qualifications

• High school diploma or equivalent and six years of relevant experience.
• CA Water Treatment Grade II or Water Distribution Grade II certifications.
• Valid CA Class C driver’s license at time of application.

Responsibilities

• Collect compliance and operational water samples across service area.
• Perform field water quality testing with approved techniques.
• Document data in LIMS and prepare reports with accuracy.
• Transport samples, equipment, and supplies between facilities.
• Drive routes to district and member agency facilities.
• Maintain calibration records for field instruments.
• Safely operate district vehicles and interact with the public.
• Collaborate with staff to ensure regulatory compliance.

Skills

Water sampling

Lab work

Water treatment

Regulatory compliance

Fieldwork

Education

High school diploma or equivalent

California Water Treatment Certification Grade II

California Water Distribution Certification Grade II

Valid California Class C Driver’s License

Tools

LIMS

Data loggers

Field instruments

Job description

Job Description

At the Metropolitan Water District of Southern California, we deliver reliable water to a region with 19 million people—and to accomplish this, we rely on a team of talented employees: innovators, problem-solvers, and collaborators who make it all possible.

There is currently one (1) opening for a Water Sampling Field Technician located at our F.E. Weymouth Filtration Plant in La Verne, California.

This recruitment may result in an eligibility list*.

Water Sampling Field Technician

Protect public health! Work hands-on in the water industry. Be part of something that matters!

Metropolitan is looking for an experienced water professional to join our team as a Water Sampling Field Technician. This role is ideal for someone with a strong background in water sampling, laboratory work, water treatment, and/or distribution who takes pride in accurate fieldwork and regulatory compliance.

In this role, you’ll be on the front lines of drinking water quality—collecting, handling, and delivering samples that ensure safe and reliable water for millions of Southern Californians.

What You’ll Do

As a Water Sampling Field Technician, you will:

• Collect compliance and operational water samples throughout Metropolitan’s service area in accordance with drinking water regulations
• Perform field water quality testing using approved sampling techniques and instruments
• Accurately document and enter data into the Laboratory Information Management System (LIMS)
• Transport water samples, equipment, and laboratory supplies across Metropolitan’s system
• Drive assigned routes to MWD and member agency facilities throughout Southern California
• Properly collect, preserve, store, and deliver water samples following established procedures
• Prepare, maintain, and troubleshoot compliance sample taps, delivery lines, and sampling equipment
• Enter water quality data using handheld data loggers and upload results to LIMS
• Maintain calibration records and documentation for field instruments and equipment
• Prepare reports and maintain clear, accurate records
• Safely operate Metropolitan vehicles and interact professionally with the public
• Communicate effectively and work collaboratively with coworkers and other MWD staff

This is a career opportunity for water professionals who want stable work, meaningful responsibility, and the chance to contribute directly to public health and environmental stewardship.

This job announcement has been designed to indicate the general nature and level of work being performed by employees in this classification / job.

Schedule:

4/10, Monday through Thursday, 5:00 am - 3:30 pm

Travel:

This position will require travel to various District facilities throughout the service area, sometimes requiring overnight stay in the project area.

EMPLOYMENT STANDARDS

MINIMUM QUALIFICATIONS

Education and Experience: High school diploma or certificate of high school equivalency and six years of relevant experience.

Relevant Experience is defined as a combination of experience performing water sample handling/collection, working in a laboratory setting, and/or experience in water treatment or distribution.

CERTIFICATIONS, LICENSES, AND REGISTRATION REQUIREMENTS

Certificates:

• State of California Water Treatment Certification Grade II OR
• State of California Water Distribution Certification Grade II

License(s):

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

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

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 [phone] or email: [e-mail].

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 11:59 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—and 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).

#LI-Onsite

Closing Date/Time: Sep 18, 2026 @ 11:59 pm PT