Wastewater Operator
Hanford, CA ยท On-site
$21.50 - $29.50/hr
Collect wastewater process samples for analysis by outside laboratory ... Fill out Chain of Custody forms for all outside lab work. * Assist in the repair of minor system ...
Quick apply
Hanford, CA ยท On-site
$21.50 - $29.50/hr
Collect wastewater process samples for analysis by outside laboratory ... Fill out Chain of Custody forms for all outside lab work. * Assist in the repair of minor system ...
Quick apply
Hanford, CA ยท On-site
$21.50 - $29.50/hr
Collect wastewater process samples for analysis by outside laboratory ... Fill out Chain of Custody forms for all outside lab work. * Assist in the repair of minor system ...
As a Wastewater Treatment Plant Operator, you'll gain hands-on experience with advanced treatment ... From monitoring treatment systems to collecting samples and performing lab tests, you'll play a ...
As a Wastewater Treatment Plant Operator, you'll gain hands-on experience with advanced treatment ... From monitoring treatment systems to collecting samples and performing lab tests, you'll play a ...
Hanford, CA ยท On-site
$26 - $32/hr
Collect wastewater process samples for analysis by outside laboratory ... Fill out Chain of Custody forms for all outside lab work. * Assist in the repair of minor system ...
Hanford, CA ยท On-site
$26 - $32/hr
Collect wastewater process samples for analysis by outside laboratory ... Fill out Chain of Custody forms for all outside lab work. * Assist in the repair of minor system ...
Hanford, CA ยท On-site
$21.50 - $29.50/hr
Collect wastewater process samples for analysis by outside laboratory ... Fill out Chain of Custody forms for all outside lab work. * Assist in the repair of minor system ...
Hanford, CA ยท On-site
$21.50 - $29.50/hr
Collect wastewater process samples for analysis by outside laboratory ... Fill out Chain of Custody forms for all outside lab work. * Assist in the repair of minor system ...
Nevada City, CA ยท On-site
$18.25 - $23/hr
Wastewater (Sanitation District) Opening Date: 08/21/2026 Closing Date: 9/6/2026 11:59 PM Pacific ... Lab Analysis and Environmental Sampling * Advanced Treatment Technologies * Capstone Project ...
Nevada City, CA ยท On-site
$18.25 - $23/hr
Wastewater (Sanitation District) Opening Date: 08/21/2026 Closing Date: 9/6/2026 11:59 PM Pacific ... Lab Analysis and Environmental Sampling * Advanced Treatment Technologies * Capstone Project ...
Nevada City, CA ยท On-site
$18.25 - $23/hr
The Nevada County Wastewater Division of the Public Works Department administers and maintains ... lab work and data collection Assist with special projects and plant equipment maintenance.
Nevada City, CA ยท On-site
$18.25 - $23/hr
The Nevada County Wastewater Division of the Public Works Department administers and maintains ... lab work and data collection Assist with special projects and plant equipment maintenance.
Bakersfield, CA ยท On-site
$30 - $35/hr
Turn Complex Wastewater Challenges into Real-World Impact At Solution Group , we don't just treat ... Comfort performing lab testing and using results to guide operational adjustments * Experience with ...
Quick apply
Bakersfield, CA ยท On-site
$30 - $35/hr
Turn Complex Wastewater Challenges into Real-World Impact At Solution Group , we don't just treat ... Comfort performing lab testing and using results to guide operational adjustments * Experience with ...
San Jose, CA ยท On-site
$33/hr
... water and wastewater treatment, commercial and hazardous waste collection and disposal, energy ... An associate's degree in general science (BS preferred) is required for the Lab Pack Chemist.
San Jose, CA ยท On-site
$33/hr
... water and wastewater treatment, commercial and hazardous waste collection and disposal, energy ... An associate's degree in general science (BS preferred) is required for the Lab Pack Chemist.
... water and wastewater treatment, commercial and hazardous waste collection and disposal, energy ... An associate's degree in general science (BS preferred) is required for the Lab Pack Chemist.
... water and wastewater treatment, commercial and hazardous waste collection and disposal, energy ... An associate's degree in general science (BS preferred) is required for the Lab Pack Chemist.
San Jose, CA ยท On-site
$33/hr
... water and wastewater treatment, commercial and hazardous waste collection and disposal, energy ... An associate's degree in general science (BS preferred) is required for the Lab Pack Chemist.
San Jose, CA ยท On-site
$33/hr
... water and wastewater treatment, commercial and hazardous waste collection and disposal, energy ... An associate's degree in general science (BS preferred) is required for the Lab Pack Chemist.
Pomona, CA ยท On-site
... water and wastewater treatment, commercial and hazardous waste collection and disposal, energy ... An associate's degree in general science (BS preferred) is required for the Lab Pack Chemist.
Pomona, CA ยท On-site
... water and wastewater treatment, commercial and hazardous waste collection and disposal, energy ... An associate's degree in general science (BS preferred) is required for the Lab Pack Chemist.
Pomona, CA ยท On-site
$30/hr
... water and wastewater treatment, commercial and hazardous waste collection and disposal, energy ... An associate's degree in general science (BS preferred) is required for the Lab Pack Chemist.
Pomona, CA ยท On-site
$30/hr
... water and wastewater treatment, commercial and hazardous waste collection and disposal, energy ... An associate's degree in general science (BS preferred) is required for the Lab Pack Chemist.
Pomona, CA ยท On-site
$30/hr
... water and wastewater treatment, commercial and hazardous waste collection and disposal, energy ... An associate's degree in general science (BS preferred) is required for the Lab Pack Chemist.
Pomona, CA ยท On-site
$30/hr
... water and wastewater treatment, commercial and hazardous waste collection and disposal, energy ... An associate's degree in general science (BS preferred) is required for the Lab Pack Chemist.
Calibrate, maintain, and set up equipment for the Water and Wastewater Plant mini laboratories. Clean laboratory equipment and facilities. Perform chemical and mathematical calculations. Prepare and ...
Calibrate, maintain, and set up equipment for the Water and Wastewater Plant mini laboratories. Clean laboratory equipment and facilities. Perform chemical and mathematical calculations. Prepare and ...
Calibrate, maintain, and set up equipment for the Water and Wastewater Plant mini laboratories. Clean laboratory equipment and facilities. Perform chemical and mathematical calculations. Prepare and ...
Calibrate, maintain, and set up equipment for the Water and Wastewater Plant mini laboratories. Clean laboratory equipment and facilities. Perform chemical and mathematical calculations. Prepare and ...
Santa Fe Springs, CA ยท On-site
$19 - $25.25/hr
We are seeking a skilled Color Lab Technician to join our Santa Fe Springs Team. The successful ... Maintain and operate laboratory equipment, including the wastewater drainage system, dust collector ...
Santa Fe Springs, CA ยท On-site
$19 - $25.25/hr
We are seeking a skilled Color Lab Technician to join our Santa Fe Springs Team. The successful ... Maintain and operate laboratory equipment, including the wastewater drainage system, dust collector ...
San Jose, CA ยท On-site
$80K - $100K/yr
... water and wastewater treatment, commercial and hazardous waste collection and disposal, energy ... Responsible for supervising the lab pack field team and the facility retail/lab pack depacking team ...
San Jose, CA ยท On-site
$80K - $100K/yr
... water and wastewater treatment, commercial and hazardous waste collection and disposal, energy ... Responsible for supervising the lab pack field team and the facility retail/lab pack depacking team ...
San Jose, CA ยท On-site
... water and wastewater treatment, commercial and hazardous waste collection and disposal, energy ... Manages all aspects of the lab pack field team including hiring, training, development, and ...
San Jose, CA ยท On-site
... water and wastewater treatment, commercial and hazardous waste collection and disposal, energy ... Manages all aspects of the lab pack field team including hiring, training, development, and ...
$80K - $100K/yr
... water and wastewater treatment, commercial and hazardous waste collection and disposal, energy ... Manages all aspects of the lab pack field team including hiring, training, development, and ...
$80K - $100K/yr
... water and wastewater treatment, commercial and hazardous waste collection and disposal, energy ... Manages all aspects of the lab pack field team including hiring, training, development, and ...
San Jose, CA ยท On-site
$37 - $38/hr
... water and wastewater treatment, commercial and hazardous waste collection and disposal, energy ... Lead/coordinate field service/lab pack jobs requiring multiple personnel/days. * Assist in other ...
San Jose, CA ยท On-site
$37 - $38/hr
... water and wastewater treatment, commercial and hazardous waste collection and disposal, energy ... Lead/coordinate field service/lab pack jobs requiring multiple personnel/days. * Assist in other ...
| Aspect | Wastewater Lab | Wastewater Treatment Operator |
|---|---|---|
| Certifications | Lab certifications, such as EPA or state-specific lab certifications | Operator licenses or certifications, such as state wastewater operator licenses |
| Work Environment | Laboratory setting, analyzing samples and conducting tests | Field and plant environment, managing treatment processes |
| Job Focus | Testing water quality, analyzing data, ensuring compliance | Operating and maintaining treatment equipment, process control |
While both roles are essential in wastewater management, Wastewater Lab specialists focus on analyzing samples and ensuring water quality through testing, whereas Wastewater Treatment Operators manage the treatment processes on-site. Both require relevant certifications and work in related environments, but their daily tasks differ significantly.
For Wastewater Lab jobs in California, the most frequently searched job titles are:
The top searched job categories for Wastewater Lab jobs in California are:
Cities in California with the most Wastewater Lab job openings:

Hanford, CA โข On-site
$21.50 - $29.50/hr
Other
Re-posted 26 days ago
Summary
Join the Provost & Pritchard OMS team as a Wastewater Operator, proudly continuing the trusted Granger Water Specialties operations throughout the region. This hands-on position includes monitoring treatment systems, collecting samples, conducting field testing, maintaining equipment, preparing regulatory reports, and responding to operational needs. We’re looking for someone with strong problem-solving skills, attention to detail, and a willingness to work both independently and collaboratively in the field. Prior wastewater operations experience is preferred, along with a commitment to safety, reliability, and quality service.
Responsibilities
Qualifications
Physical Demand