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Trainee Wastewater Operator Class 3 Jobs (NOW HIRING)

H2O Innovation Inc.

Wastewater Operator Class IV

Laurel, MS · On-site

$18.75 - $26/hr

H2O is currently seeking a Wastewater Operator (Class IV) to join our team in Laurel, Mississippi. The Benefits Overall remuneration includes: * Health Insurance, Dental, Vision & Telemedicine.

H2O Innovation Inc.

Wastewater Operator Class IV

Laurel, MS · On-site

$18.75 - $26/hr

H2O is currently seeking a Wastewater Operator (Class IV) to join our team in Laurel, Mississippi. The Benefits Overall remuneration includes: * Health Insurance, Dental, Vision & Telemedicine.

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Trainee Wastewater Operator Class 3 information

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How much do trainee wastewater operator class 3 jobs pay per hour?

As of Jul 29, 2026, the average hourly pay for trainee wastewater operator class 3 in the United States is $25.59, according to ZipRecruiter salary data. Most workers in this role earn between $20.19 and $29.33 per hour, depending on experience, location, and employer.

What is the difference between Trainee Wastewater Operator Class 3 vs Wastewater Operator Class 3?

AspectTrainee Wastewater Operator Class 3Wastewater Operator Class 3
CertificationsTypically requires a basic wastewater treatment certification or trainee permitRequires a valid Wastewater Operator Class 3 license
Work EnvironmentSupervised, entry-level roles in wastewater treatment plantsFull responsibilities, independent operation, and troubleshooting
Employer UsageUsed for training and entry-level positionsFull licensed operator roles in industry

The main difference between a Trainee Wastewater Operator Class 3 and a Wastewater Operator Class 3 is the level of certification and responsibility. Trainees are in training, often supervised, and working towards obtaining their full license. Licensed Wastewater Operators Class 3 have completed necessary certifications and are authorized to operate independently, handle complex tasks, and ensure compliance with regulations.

More about Trainee Wastewater Operator Class 3 jobs
What cities are hiring for Trainee Wastewater Operator Class 3 jobs? Cities with the most Trainee Wastewater Operator Class 3 job openings:
What are the most commonly searched types of Wastewater Operator Class 3 jobs? The most popular types of Wastewater Operator Class 3 jobs are:
What states have the most Trainee Wastewater Operator Class 3 jobs? States with the most job openings for Trainee Wastewater Operator Class 3 jobs include:
What job categories do people searching Trainee Wastewater Operator Class 3 jobs look for? The top searched job categories for Trainee Wastewater Operator Class 3 jobs are:
Trainee Wastewater Operator Class 3 jobs near you
Infographic showing various Trainee Wastewater Operator Class 3 job openings in the United States as of July 2026, with employment types broken down into 1% As Needed, 69% Full Time, 27% Part Time, and 3% Contract. Highlights an 95% Physical, 2% Hybrid, and 3% Remote job distribution, with an average salary of $53,224 per year, or $25.6 per hour.

Wastewater Treatment Operator I, II, III, IV

Spartanburg Water & Sewer

Spartanburg, SC

Full-time

Posted 23 days ago

Job description

Wastewater Treatment Operator I, II, III, IV

WWT Operator I-IIUnder general supervision, operates the assigned waste water treatment plants in accordance with established guidelines, regulations, standards and rules ensuring the quality of effluent meets NPDES permit requirements. Reports to the Lead Operator.

WWT Operator III-IV

Under general supervision, assists the Lead Operator in the day-to-day operation of the assigned treatment facilities/programs. Assists with maintenance, process control, safety and training requirements for the assigned section of the WWT Department. Secondary responsibilities include special projects, and assistance with regulatory concerns. Reports to the Lead Operator.

MINIMUM TRAINING AND EXPERIENCE:

WWT Operator I

· High school diploma or equivalent and five to eleven months of experience in wastewater treatment principles and theory.

· Must possess a valid driver’s license and obtain First Aid/CPR certification.

· Must obtain Wastewater Operator Class "D" certification within two years of employment.

WWT Operator II

· High school diploma or equivalent and a minimum of two years of experience in wastewater treatment principles and theory.

· Must possess a valid driver’s license and obtain First Aid/CPR certification.

· Must possess a Wastewater Operator Class "C" certification.

WWT Operator III

· High school diploma or equivalent and a minimum of three years of experience in wastewater treatment principles and theory.

· Must possess a valid driver’s license: Class B CDL (with tanker endorsement) is preferred.

· Must obtain First Aid/CPR certification.

· Must possess a Wastewater Operator Class "B" certification.

· Must obtain Biosolids/Residuals Operator’s Certification.

· Must be efficient in the use of computers and related software, e.g., Word, Excel, PowerPoint, etc.

WWT Operator IV

· High school diploma or equivalent and a minimum of four years of experience in wastewater treatment principles and theory.

· Must possess a valid driver’s license: Class B CDL (with tanker endorsement) is preferred.

· Must obtain First Aid/CPR certification.

· Must possess a Wastewater Operator Class "A" certification for more than one year.

· Must obtain Biosolids/Residuals Operator’s Certification.

· Must be efficient in the use of computers and related software, e.g., Word, Excel, PowerPoint, etc.

Additional Requirements: The WWT Operator Trainee must be willing to work towards advancement through Biological Wastewater progressions (e.g. Trainee D to C to B to A) in a scheduled time frame.