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Water Tester Jobs in California (NOW HIRING)

Momar Inc

Water Treatment Technician

Santa Fe Springs, CA · On-site

$70K - $95K/yr

Responsibilities include water testing, chemical treatment maintenance, troubleshooting equipment, and on-site customer support. The role requires strong HVAC water treatment expertise, the ability ...

Momar Inc

Water Treatment Technician

Valencia, CA · On-site

$70K - $95K/yr

Responsibilities include water testing, chemical treatment maintenance, troubleshooting equipment, and on-site customer support. The role requires strong HVAC water treatment expertise, the ability ...

Monster Energy

QC Tester

Norwalk, CA

In the position of QC Tester, you will be responsible for conducting daily line audits, pulling in process and finished product samples, sugar truck samples, water and micro samples as needed. The ...

Monster Energy

QC Tester

Norwalk, CA · On-site

$21 - $28/hr

In the position of QC Tester, you will be responsible for conducting daily line audits, pulling in process and finished product samples, sugar truck samples, water and micro samples as needed. The ...

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All JobsWater Tester JobsWater Tester Jobs in California

Water Tester information

See California salary details

$5

$28

How much do water tester jobs pay per hour?

As of Aug 23, 2026, the average hourly pay for water tester in California is $28.47, according to ZipRecruiter salary data. Most workers in this role earn between $28.46 and $28.46 per hour, depending on experience, location, and employer.

What is a water tester?

A water tester works under the guidelines of EPA standards to test water quality at waste treatment plants and throughout freshwater systems. You do this to promote and protect the public health. As a water tester, your duties are to take samples of water from a plant and test its quality using specialized skills and equipment. Your goal is to test the levels of harmful materials and chemicals in the water supply through biological sampling and chemical testing. Your responsibilities are incredibly important because of the threat to public health that improper testing of chemicals in our water systems can cause.

What are the key skills and qualifications needed to thrive as a water tester, and why are they important?

To thrive as a Water Tester, you need a solid understanding of environmental science, chemistry, and water quality standards, often supported by a relevant degree or certification. Familiarity with laboratory testing equipment, water sampling procedures, and data analysis software is essential. Attention to detail, strong organizational skills, and effective communication help ensure accurate results and clear reporting. These skills are crucial for maintaining public health and environmental safety by ensuring water sources meet regulatory standards.

What are some common challenges faced by water testers in the field, and how can they be managed?

Water Testers often work in diverse environments, from treatment plants to natural water sources, which can present challenges such as difficult terrain, inclement weather, and ensuring sample integrity during transport. Managing these obstacles requires strong attention to detail, adherence to safety protocols, and the ability to adapt to varying site conditions. Regular training on sampling techniques and equipment maintenance, as well as effective communication with laboratory teams, helps ensure accurate results and efficient workflows.

What is the difference between Water Tester vs Water Quality Analyst?

AspectWater TesterWater Quality Analyst
CertificationsWater testing certifications, EPA certificationsSame certifications often required, plus laboratory certifications
Work EnvironmentField testing sites, water treatment plantsLaboratories, research facilities, field sites
Job FocusCollecting samples, performing basic testsAnalyzing data, interpreting results, reporting
Employer & IndustryWater treatment plants, environmental agenciesEnvironmental consulting firms, government agencies

Water Testers primarily perform field sampling and basic testing of water samples, while Water Quality Analysts focus on detailed data analysis and reporting. Both roles require similar certifications and work in related environments, but the Analyst role involves more in-depth analysis and interpretation of water quality data.

More about Water Tester jobs

What are the most commonly searched types of Water Tester jobs in California?

The most popular types of Water Tester jobs in California are:

What are popular job titles related to Water Tester jobs in California?

For Water Tester jobs in California, the most frequently searched job titles are:

What job categories do people searching Water Tester jobs in California look for?

The top searched job categories for Water Tester jobs in California are:

What cities in California are hiring for Water Tester jobs?

Cities in California with the most Water Tester job openings:

What are popular job titles related to Water Tester jobs in CA?

For Water Tester jobs in CA, the most frequently searched job titles are:

Water Tester jobs near you
Infographic showing various Water Tester job openings in California as of August 2026, with employment types broken down into 1% As Needed, 86% Full Time, 10% Part Time, 1% Temporary, 1% Contract, and 1% Nights. Highlights an 94% Physical, 3% Hybrid, and 3% Remote job distribution, with an average salary of $59,214 per year, or $28.5 per hour.

Water Treatment Technician

Momar Inc

Santa Fe Springs, CA • On-site

$70K - $95K/yr

Full-time

Re-posted 14 days ago

Job description

Momar is looking for a Water Treatment Technician!

About Us:


Momar, Inc., a privately owned specialty chemical manufacturing company based in Atlanta, GA, is currently seeking a Water Treatment Technician to join our Momar family in Southern, CA. Reporting to the Service Team Engineering Manager, the Water Treatment Technician will be responsible for performing water testing, troubleshooting various feed and control equipment, visiting customer sites, building customer relationships and maintaining paperwork for customer files. AquaTrol is a water treatment company and part of the Momar family, founded in 1947. Since 1977, AquaTrol has delivered customized water treatment solutions backed by decades of chemical expertise and a strong commitment to customer service.


With an in-house laboratory and a team of experienced chemists, we provide full-service water treatment support, including routine and specialized testing to ensure safe, efficient, and compliant systems. Our family-owned structure allows us to be flexible, responsive, and focused on doing things the right way. At AquaTrol, our people make the difference—bringing expertise, reliability, and peace of mind to every customer we serve.

Job Summary:

The Water Treatment Service Technician services and manages industrial water treatment systems throughout Southern California territory. Responsibilities include water testing, chemical treatment maintenance, troubleshooting equipment, and on-site customer support. The role requires strong HVAC water treatment expertise, the ability to manage multiple accounts, and regular travel within the assigned territory.Duties/ Responsibilities:
  • Responsibilities include, but are not limited to, the following:
  • Navigate and drive a service vehicle throughout the Southern California territory.
  • Perform routine and diagnostic water testing on assigned systems.
  • Set up and maintain chemical treatment programs at point-of-use locations.
  • Provide daily customer care, including meetings with on-site client managers and explaining service results.
  • Troubleshoot and resolve equipment and system issues.
  • Maintain accurate service documentation and customer records.
  • Travel 100% of the time to client locations within the designated territory.

Required Skills/ Qualifications:

Responsibilities include, but are not limited to, the following:
  • Clean driving record and experience in roles requiring extensive driving.
  • Ability to work in mechanical rooms, on rooftops, and at elevated heights.
  • Ability to discern colors as part of color-based water treatment testing (essential job function).
  • Ability to regularly lift and carry over 55 pounds unassisted and safely move heavy equipment using appropriate tools.
  • Strong troubleshooting and problem-solving skills.
  • Proficiency with computers, including Microsoft Word and spreadsheet applications.
  • Willingness to submit to a Federal background and security check upon offer of employment.
Education and Experience:
  • High school diploma or equivalent required.
  • Five (5) or more years of industrial HVAC water treatment experience preferred.
  • Demonstrated experience working with:
  1. Cooling towers
  2. Steam boiler chemical treatment systems
  3. Process water loops
  4. Feed and control equipment
    • Prior experience as a service technician managing multiple customer accounts within a designated territory.
    • Experience building and maintaining customer relationships in a service-based environment.
    • Industry certifications or technical training related to water treatment, HVAC, or mechanical systems are a plus.
Physical Requirements: Heavy
  • Regularly lift and move objects weighing up to 55 lbs.
  • Frequently stand, walk, use hands and fingers for handling and feeling items, reach with hands and arms, stoop, kneel, and crouch.

The compensation package includes eligibility for performance-based bonuses. All business-related travel expenses will be paid or reimbursed per company guidelines.

Equal Opportunity Employer Statement

Momar is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.

We are a VEVRAA Federal Contractor and provide priority referral to protected veterans for all external job openings. In compliance with ADAAA, VEVRAA, and Section 503, applicants requiring accommodation to apply may contact [HR email/phone].


Momar does not discriminate against employees or applicants who inquire about, discuss, or disclose their compensation or that of others.