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Water Science Jobs in California (NOW HIRING)

The Water Supply Operator I is an entry-level position requiring immediate to general supervision ... and science-based curriculum from an accredited educational institution or program * Basic math ...

SCADA Specialist

Fresno, CA · On-site

$95K - $115K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Option 2 Graduation from an accredited college or university with a Bachelor's Degree in computer science, engineering, water science, or closely related field; AND Two (2) years of increasingly ...

Water Resources Planning Engineer

Sacramento, CA · On-site

$84K - $115K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Our water professionals collaborate to contribute innovative ideas, guided by scientific rigor and a vision for sustainable growth. Every day, we're helping communities improve, reuse, and protect ...

Water Resources Planning Engineer

Sacramento, CA · On-site

$112K - $168K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Our water professionals collaborate to contribute innovative ideas, guided by scientific rigor and a vision for sustainable growth. Every day, we're helping communities improve, reuse, and protect ...

SCADA Specialist

Fresno, CA · On-site

$95K - $115K/yr

Option 2 Graduation from an accredited college or university with a Bachelor's Degree in computer science, engineering, water science, or closely related field; AND Two (2) years of increasingly ...

Many of the world's top engineers and scientists come together in our Water business because they view a community's interaction with water a bit differently-as a single holistic system, rather than ...

Our scientists, engineers, field teams,consultantsand professionals collaborate across disciplines ... We are looking for a full-time Water Treatment System Operator , who will work directly on ...

Water Resources EIT

Sacramento, CA · On-site

$84K - $115K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Our water professionals collaborate to contribute innovative ideas, guided by scientific rigor and a vision for sustainable growth. Every day, we're helping communities improve, reuse, and protect ...

Senior Water/Wastewater Engineer

Santa Barbara, CA · On-site

$178K - $276K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Our water professionals collaborate to contribute innovative ideas, guided by scientific rigor and a vision for sustainable growth. Every day, we're helping communities improve, reuse, and protect ...

Water Resources Engineer

San Bernardino, CA · On-site

$100K - $135K/yr

  • Medical

  • Life

  • Retirement

  • PTO

Bachelor's of Science in Civil Engineering * Master's degree in with an emphasis in Hydrology and ... water resource-related projects * California Professional Engineer License, or ability to obtain ...

Showing results 41-60

Water Science information

See California salary details

$24.2K

$47.8K

$78K

How much do water science jobs pay per year?

As of Aug 17, 2026, the average yearly pay for water science in California is $47,757.00, according to ZipRecruiter salary data. Most workers in this role earn between $38,000.00 and $51,300.00 per year, depending on experience, location, and employer.

What is water science?

Water science is the study of water, including its properties, distribution, movement, and quality in the environment. It encompasses disciplines such as hydrology, hydrogeology, and water resource management. Water scientists analyze water samples, monitor water systems, and develop solutions for water conservation and pollution prevention. Their work is crucial for ensuring safe drinking water, sustainable water use, and protecting aquatic ecosystems.

What are some common challenges faced by water scientists when conducting field research?

Water scientists often encounter challenges such as unpredictable weather conditions, difficult terrain, and limited access to remote sampling sites during field research. Additionally, ensuring the accuracy and reliability of samples can be complex due to contamination risks or equipment malfunctions. Collaboration with local authorities and stakeholders is frequently necessary to gain site access and gather comprehensive data. These challenges require adaptability, strong problem-solving skills, and effective communication to ensure successful research outcomes.

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

To thrive as a Water Scientist, you need a strong background in environmental science, hydrology, chemistry, or a related field, typically with at least a bachelor's or master's degree. Familiarity with water quality testing equipment, GIS software, and data analysis tools is often required, along with certifications such as Certified Hydrologist or equivalent. Strong analytical thinking, problem-solving abilities, and effective communication skills help distinguish top performers in this role. These qualifications ensure accurate assessment of water resources, inform policy decisions, and support sustainable water management practices.

What is the difference between Water Science vs Water Quality Technician?

AspectWater ScienceWater Quality Technician
Required CredentialsBachelor's degree in environmental science, hydrology, or related fieldAssociate's or bachelor's degree in environmental science, chemistry, or related field
Work EnvironmentResearch labs, field sites, environmental agenciesWater treatment plants, laboratories, field sampling sites
Employer & Industry UsageEnvironmental consulting, government agencies, research institutionsMunicipal water treatment facilities, environmental testing labs

Water Science involves studying water systems, conducting research, and analyzing water data, often in research or policy roles. Water Quality Technicians focus on testing and monitoring water quality at treatment plants or field sites. While both roles require knowledge of water analysis, Water Science emphasizes research and data interpretation, whereas Water Quality Technicians concentrate on sample collection and lab testing.

How much money does a water scientist make?

Water scientists typically earn a median annual salary of around $60,000 to $80,000, depending on experience, education, and location. Advanced roles or those with specialized skills in hydrology or environmental analysis can earn higher salaries, especially with additional certifications or fieldwork experience.

What can I do with a water science degree?

A water science degree prepares individuals for careers in environmental consulting, water resource management, research, and policy development. Graduates often work for government agencies, environmental organizations, or private companies, utilizing skills in data analysis, field sampling, and environmental regulations.

What does a water scientist do?

A water scientist studies the quality, distribution, and movement of water in natural and urban environments. They analyze water samples, use modeling tools, and develop solutions for water management, conservation, and pollution control. Their work often involves fieldwork, laboratory analysis, and data interpretation to support environmental protection and public health.

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

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

What cities in California are hiring for Water Science jobs?

Cities in California with the most Water Science job openings:

Infographic showing various Water Science job openings in California as of August 2026, with employment types broken down into 55% Full Time, 27% Part Time, 9% Temporary, and 9% Contract. Highlights an 100% In-person job distribution, with an average salary of $47,757 per year, or $23 per hour.

Water Supply Operator I

Essel

Pomona, CA

Contractor

Re-posted 27 days ago


Job description

The Water Supply Operator I is an entry-level position requiring immediate to general 

supervision.   

ESSENTIAL DUTIES AND RESPONSIBILITIES:

  • Operates and monitors a variety of water supply and treatment equipment such as:
    • Pumping systems
    • Chemical feed systems
    • Water storage facilities
    • Measuring and control systems
    • Interagency control valves and meters
    • Pressure Reducing/Sustaining Valves
  • Assists with the maintenance of plant equipment and facilities
  • Performs water level measurements on groundwater wells
  • Loads and unloads chemicals
  • Performs basic laboratory analytical techniques on water samples
  • Collects samples for analytical purposes
  • Performs calculations related to dosing, flow rates, pressure and other weights and measures associated with water supply and treatment operations
  • Complies with all safety standards and practices as they pertain to equipment, facility operations and chemical handling
  • Available for emergency response, 24 hours/day, seven days/week
  • Must reside within 25 miles of the nearest water system boundary where assigned in order to respond to emergencies.
  • Performs other duties as assigned
  • The above job description is not intended to be, nor should it be construed as, exhaustive of all responsibilities, skills or competencies associated with this job. 

MINIMUM QUALIFICATIONS 

  • High school diploma or equivalent
  • Familiar with computer applications such as Windows, word processing, spreadsheets 

POSITION DESCRIPTION 

  • SWRCB Water Distribution Operator 1 certification - required if applicant does not hold a valid T1 certification.   
  • SWRCB Water Treatment Plant Operator 1 certification preferred at time of hire, or must obtain within 18 months of employment or position start date. 
  • Good communication (both written and verbal) and organizational skills 
  • Valid California driver license 
  • May include working in all weather conditions, during all hours of the day.  
  • Physical demands include but are not limited to standing, climbing, walking, lifting, bending, pulling and/or  pushing, grasping, reaching, stooping and crouching, sitting, typing, walking, reading, writing, color determination, speaking and listening for extended periods of time. 

TECHNICAL SKILLS AND EXPERIENCE 

  • One year as a Water Distribution Operator or two years experience in the water utility 

industry OR a combination of water utility experience and education that demonstrates a moderate level of knowledge and understanding of water distribution, supply and treatment operations OR an Associate degree in Water Technology, Distribution, or Treatment, or a similar math and science-based curriculum from an accredited educational institution or program    

  • Basic math skills 
  • Knowledge of basic plumbing skills 
  • Understanding of safe, efficient and effective work practices and procedures. Â