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Water Quality Sampling Intern Jobs in Rialto, CA

Civil Engineer

Diamond Bar, CA · On-site

$90K - $130K/yr

Today we stand as a market leader, offering cutting-edge solutions in water, environment, energy ... Mentoring of new and intern staff. Qualifications : * Bachelor's degree (B.S.) and/or master ...

Geotechnical Project Manager

Riverside, CA · On-site

$116.79 - $197.36/hr

Safely conduct field exploration, sampling, inspection, analysis, and technical support without ... We are looking for someone with the ability to provide quality project management and technical ...

Civil Engineer

Diamond Bar, CA · On-site

$90K - $130K/yr

Today we stand as a market leader, offering cutting-edge solutions in water, environment, energy ... Mentoring of new and intern staff. Qualifications : * Bachelor's degree (B.S.) and/or master ...

Commitment to safety and quality work. Why Drive For Us? * Get paid for every hour you work. * Home ... We build culverts to take water away from your neighborhoods, underground utility boxes to hold ...

Showing results 41-60

Water Quality Sampling Intern information

See Rialto, CA salary details

$8

$16

$25

How much do water quality sampling intern jobs pay per hour?

As of Aug 10, 2026, the average hourly pay for water quality sampling intern in Rialto, CA is $16.54, according to ZipRecruiter salary data. Most workers in this role earn between $13.51 and $18.32 per hour, depending on experience, location, and employer.

What are some typical challenges a water quality sampling intern might face during fieldwork, and how can they be addressed?

As a Water Quality Sampling Intern, you may encounter challenges such as difficult weather conditions, remote or hard-to-access sampling locations, and ensuring the integrity of collected samples. To address these, it's important to prepare thoroughly for fieldwork by checking weather forecasts, using appropriate safety gear, and following strict sampling protocols to avoid contamination. Working closely with experienced team members and maintaining clear communication with your supervisor can also help you navigate unforeseen obstacles.

What does a water quality sampling intern do?

A Water Quality Sampling Intern assists with collecting water samples from various sources such as rivers, lakes, or treatment plants to test for contaminants and pollutants. They help prepare sampling equipment, record field data, and may conduct basic laboratory analyses under supervision. This role provides hands-on experience in environmental monitoring, data collection, and reporting methods, making it valuable for students interested in environmental science or public health careers.

What are the key skills and qualifications needed to thrive as a water quality sampling intern?

To thrive as a Water Quality Sampling Intern, you need a solid understanding of environmental science, data collection methodologies, and basic laboratory techniques, often supported by coursework or a degree in environmental studies or a related field. Familiarity with water sampling tools (such as probes, meters, and sample bottles), data logging systems, and possibly GIS software is typically required. Attention to detail, strong organizational skills, and effective communication are crucial soft skills for accurate data collection and teamwork. These competencies ensure reliable water quality data, compliance with regulatory standards, and effective support for environmental monitoring projects.

What is the difference between Water Quality Sampling Intern vs Water Quality Technician?

AspectWater Quality Sampling InternWater Quality Technician
CredentialsTypically pursuing or recent graduate with related courseworkOften requires relevant certifications or experience
Work EnvironmentField sampling, laboratory support, seasonal or temporary rolesFull-time, hands-on sampling, data collection, and analysis
Employer & IndustryEnvironmental agencies, research projects, consulting firmsWater treatment plants, environmental labs, government agencies

The Water Quality Sampling Intern role is usually an entry-level, temporary position focused on assisting with sampling and data collection, often for students or recent graduates. In contrast, the Water Quality Technician is a more experienced role involving routine sampling, data analysis, and ensuring compliance. Both roles share similar environments and credentials but differ in responsibility level and experience requirements.

What cities near Rialto, CA are hiring for Water Quality Sampling Intern jobs? Cities near Rialto, CA with the most Water Quality Sampling Intern job openings:
Infographic showing various Water Quality Sampling Intern job openings in Rialto, CA as of August 2026, with employment types broken down into 100% Part Time. Highlights an 100% In-person job distribution, with an average salary of $34,396 per year, or $16.5 per hour.

Laboratory Technician I - Wet Chemistry

Onterris

Orange, CA

$18 - $23/hr

Full-time

Re-posted 13 days ago


Job description

About Us

At Onterris, we build careers grounded in purpose,responsibilityand real-world impact.

"For Planet and Progress" is our north star that guides everything we do. We believe environmental responsibility and human progress are interconnected,interwovenand international. Our scientists, engineers, field teams,consultantsand professionals collaborate across disciplines and geographies, guiding industries and governments, ensuring that communities and environments thrive.

When you join us,you'renot just forging acareer,you'rejoining a movement. A movement for better thinking, smartersolutionsand lasting impact.

Together, we will advance our way of life and protect the integrity of our environment every step of the way.

A Day in the Life

As a Laboratory Technician I, in our Orange, CA Laboratory, you'll start where precision meets purpose. You'll be responsible for preparing samples, supporting daily lab operations, and collaborating with experienced teammates-delivering safe, accurate, on-time results every day.


The compensation range for this role is$18 to $23 per hour,commensuratewith experience, skills, and geographic location.


Department: Wet Chemisitry

Schedule: Full-Time. Tuesday - Saturday, 9:30 AM - 6:00 PM


To thrive in this role in the Wet Chemistry Department,you'llbe comfortable taking ownership of the following responsibilities:

  • Analyze water and soil samples for alkalinity, conductivity (EC), pH, settlable solids, total dissolved solids (TDS), total suspended solids (TSS), and turbidity.
  • Analyze water and soil samples for Oil & grease, Oil & Grease with silica cleanup,cyanide, sulfides, BTU, corrosivity, Ferrous iron, Flash point, Ignitability, MBAS, Phenols, Ortho and total phosphates, Reactive Cyanide, Reactive Sulfide, Salinity.
  • Analyze water and soil samples for Ammonia, BOD, COD, Hexavalent Chromium, and TOC
  • Cleaning of laboratory glassware
  • Maintaining clean laboratory areas
  • Maintaining organized records of sample preparation and analysis
  • Overhead projects designed to improve efficiency of, or accuracy of analyses
  • Assisting the Group Leaders and analysts in acquiring and inventorying consumables, chemicals, and parts for instrumentation
  • Comply with Onterris Quality Assurance Program and other policies
  • Comply with Onterris Health and Safety Plan
  • Other duties as assigned by the Group Leader or Lab Director

YourExpertise andSkills

These requirements reflect the knowledge,skillsand abilities that help you do your best work here.

  • High School diploma or equivalent required

Preferred Skills

  • Knowledge of analytical method, analytical instruments, general lab practices and lab safety
  • Ability to work independently and in a team
  • Good organizational skills and strong communication skills

Work Environment & Physical Requirements

The physical and environmental requirements below reflectwhat'stypically needed to perform the essential functions of this role safely and effectively. We may provide reasonableaccommodationsto qualified individuals with disabilities, consistent with applicable law, to support performance of the essential functions.

  • Sitting, standing, and walking
  • Must be able to work in a stationary position for entire shift duration
  • Lifting and moving up to 25 lbs independently and 50 lbs using assisted lifting equipment
  • Works in a laboratory and/or office environment

#LI-SG1

#INDONT

Onterris is a leading global environmental solutions company partnering with organizations to solve complex challenges where environmental pressures, regulatory expectations and operational risks intersect. Guided by our mission to advance the way of life without compromising the integrity of our environment, we believe environmental responsibility and human progress are fundamentally connected. Our scientists, engineers, field teams and consultants apply systems thinking that unites science, data and practical expertise to deliver solutions that strengthen our clients' resilience, mitigate risk and protect the air, water and soil that sustain communities, while uncovering responsible paths forward for planet and progress. For more information, visit www.onterris.com.

We are an equal opportunity employer and encourage applications from people of all backgrounds. We acknowledge that these experiences and perspectives help to enrich our teams and contribute to our ongoing success. We are committed to providing access and reasonable accommodation in our employment for all applicants. For US residents, click here to learn more.