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Biological Wastewater Operator Jobs (NOW HIRING)

Veolia Environnement SA

Operator I

Southport, NC · On-site

NC Grade 2 Biological Wastewater Operator Certification or higher. * Surface Irrigation Water Pollution Control Certification or able to obtain. * NC Grade 1 Collection System Certification or higher ...

Veolia Environnement SA

Operator I

Southport, NC · On-site

NC Grade 2 Biological Wastewater Operator Certification or higher. * Surface Irrigation Water Pollution Control Certification or able to obtain. * NC Grade 1 Collection System Certification or higher ...

Veolia

Operator I

Southport, NC

NC Grade 2 Biological Wastewater Operator Certification or higher. * Surface Irrigation Water Pollution Control Certification or able to obtain. * NC Grade 1 Collection System Certification or higher ...

PurposeEnergy LLC

Wastewater Operator - Ohio

Minster, OH · On-site

$28 - $33/hr

We are hiring a full-time Wastewater Operator to join our team at on-site digester facilities in ... Oversee biological processes, feedstock receiving, hydraulic pumping, chemical feed systems ...

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Biological Wastewater Operator information

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$15

$25

$38

How much do biological wastewater operator jobs pay per hour?

As of Aug 22, 2026, the average hourly pay for biological wastewater operator in the United States is $25.78, according to ZipRecruiter salary data. Most workers in this role earn between $20.91 and $28.85 per hour, depending on experience, location, and employer.

What is a biological wastewater operator?

Biological Wastewater Operators are professionals responsible for operating and maintaining the biological treatment processes at wastewater treatment plants. They monitor and adjust systems that use microorganisms to break down and remove organic matter, nutrients, and contaminants from sewage and industrial wastewater. Their duties include sampling, testing water quality, troubleshooting equipment, and ensuring compliance with environmental regulations. These operators play a crucial role in protecting public health and the environment by ensuring that treated water is safe to be released back into natural water bodies.

What skills and qualifications are needed to be a biological wastewater operator?

To thrive as a Biological Wastewater Operator, you need a solid understanding of water treatment processes, environmental regulations, and chemistry, often supported by relevant certifications or a degree in environmental science or a related field. Familiarity with SCADA systems, laboratory testing equipment, and wastewater sampling protocols is essential. Problem-solving, attention to detail, and effective communication are standout soft skills in this role. These competencies ensure safe, compliant, and efficient operation of wastewater facilities, protecting public health and the environment.

What challenges do biological wastewater operators face when troubleshooting treatment process issues?

Biological Wastewater Operators often encounter challenges such as fluctuating influent characteristics, unexpected changes in microbial activity, and equipment malfunctions. Addressing these issues requires careful monitoring of water quality parameters, timely adjustments to aeration or chemical dosing, and close collaboration with maintenance teams. Operators must also stay up-to-date with evolving regulations and best practices to ensure compliance and optimal plant performance. Problem-solving and adaptability are key skills that help operators respond effectively to these dynamic challenges.

What is the difference between Biological Wastewater Operator vs Wastewater Treatment Plant Operator?

AspectBiological Wastewater OperatorWastewater Treatment Plant Operator
CertificationsTypically requires a biological or wastewater certificationRequires wastewater treatment operator license or certification
Work EnvironmentOperates in treatment plants focusing on biological processesWorks in various treatment plant settings managing overall operations
Industry UsageCommonly used in facilities emphasizing biological treatment methodsBroader term covering all treatment plant operations

The Biological Wastewater Operator specializes in biological treatment processes within wastewater facilities, often requiring specific biological or wastewater certifications. In contrast, the Wastewater Treatment Plant Operator has a broader scope, overseeing all aspects of plant operations and holding general wastewater treatment licenses. Both roles are essential in maintaining water quality and environmental compliance, but the Biological Wastewater Operator focuses more on biological process management.

Are biological wastewater operators in demand?

Biological wastewater operators are in demand due to ongoing needs for water treatment and environmental compliance. The role requires technical skills, certifications, and knowledge of treatment processes, making qualified operators essential for maintaining public health and environmental standards.

How much do biological wastewater operators make in the US?

Biological wastewater operators in the US typically earn between $40,000 and $70,000 annually, depending on experience, certifications, and location. Entry-level operators may start at lower wages, while experienced professionals with advanced certifications can earn higher salaries. The job often requires knowledge of treatment processes, safety protocols, and equipment operation.

How much do biological wastewater operators make?

Biological wastewater operators in Oregon typically earn an average annual salary between $50,000 and $70,000, depending on experience, certifications, and the specific facility. Entry-level positions may start lower, while experienced operators with advanced certifications can earn higher wages. Salaries are often complemented by benefits such as health insurance and retirement plans.

Where do biological wastewater operators make the most money?

Biological wastewater operators tend to earn higher salaries in regions with a higher cost of living and more advanced treatment facilities, such as urban areas or states with strong environmental regulations. Experience, certifications, and working in large municipal or industrial plants can also increase earning potential.
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What job categories do people searching Biological Wastewater Operator jobs look for?

The top searched job categories for Biological Wastewater Operator jobs are:

Biological Wastewater Operator jobs near you
Infographic showing various Biological Wastewater Operator job openings in the United States as of August 2026, with employment types broken down into 39% Full Time, 59% Part Time, 1% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $53,624 per year, or $25.8 per hour.

Water/Wastewater Operator

Middlesex Water Company

Millsboro, DE • On-site

$48K - $72K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 3 days ago

Middlesex Water Company rating

9.2

Company rating: 9.2 out of 10

Based on 6 frontline employees who took The Breakroom Quiz

Job description

Water/Wastewater Operator
Are we RIGHT for you?
The word RIGHT stands for what we VALUE: Respect, Invest, Growth, Honesty and Teamwork.
Why join our team?
Tidewater Utilities, Inc. has been Delaware's premiere water company since 1964. We have created a work environment that promotes professional development and finding your passion. We understand the importance of our services and the individuals who uphold our reputation.
Joining our team means that you have a multitude of benefits that support you in and out of the workplace such as- full medical, dental, and vision benefits, 401k, paid time off, tuition reimbursement, employee assistance program, and more. To learn more, please visit www.middlesexwater.com/tidewater-utilities .
Job Summary:
The Water/Wastewater Operator reports to the District Senior Operator and District Manager. This position operates company owned and contractually operated water/wastewater treatment facilities and supply plants within the service District(s).
Work Performed:
Maintain and repair water/wastewater treatment plants, pumps, collection systems, and distribution systems.
  • Operate municipal, industrial water, and wastewater treatment facilities.
  • Enter process data electronically into company database using field computing equipment.
  • Review and sign State Monthly and Annual Discharge Monitoring Reports as required by law.
  • Respond to customer complaints and inquiries for other departments.
  • Provide field support for billing, meter reading, and collection staff.
  • Provide labor and support for the Senior Operator.
  • Perform water / wastewater analysis using field / lab equipment provided
  • Perform microscopic evaluation of wastewater samples.
  • Perform preventive maintenance, calibration of chart recorders, analyzers, and programming of VFD's and PLC's
  • Respond to Miss Utility tickets and uses Company GIS to identify emergency locations.
  • Troubleshoot minor mechanical, piping, electrical, and electronic systems/controls.
  • Evaluate problems and implement process adjustments to biological, chemical, and physical processes.
  • Take bacteriological samples as assigned by Senior Operator or District Manager.
  • Monitor system processes using SCADA.
  • Lifts chemical which are approximately 50 pounds.
  • May be required to work and be licensed in multiple states.
  • Must adhere to Company and customer safety policies/ procedures and use of appropriate PPE.
  • Shall be required to be on-call and/or work weekends and shifts as scheduled.

Qualifications:
  • High school diploma or equivalent, required.
  • Must possess a valid driver's license.
  • Good reading and writing skills.
  • Ability to comprehend and work with numerical data.
  • Able to perform basic Algebra.
  • Good overall mechanical skills.
  • Ability to analyze and interpret data.
  • Familiar with MS Word and MS Excel.
  • Able to use basic hand tools.
  • Able to use electrical Multi-meter.
  • Must possess Delaware Base Level Drinking Water License
  • Must possess a Delaware Level II Wastewater License to perform Multi-plant operations or be able to obtain within one year.
  • Must also obtain all treatment endorsements applicable to the District assigned.

Compensation & Benefits:
  • Salary Range: $48,880 - $72,299.20 annually, based on experience and qualifications.
  • Total Rewards Package Includes: - Medical, dental, and vision coverage (effective first of the month after hire).
  • 401(k) with company match.
  • Company paid life and disability insurance.
  • Paid time off and 12 paid holidays.
  • Tuition assistance and professional development opportunities.

Physical Requirements:
The physical demands described here are representative of those that must be met by any and all employees to successfully perform the essential functions of this job.
  • The work is typically performed while intermittently sitting, standing, walking, stooping, crouching, or bending.
  • The employee frequently lifts light or heavy objects, uses tools and equipment requiring a high degree of dexterity, distinguishes between shades of color and utilizes the sense of smell.
  • The work is typically performed while indoors or outdoors, sometimes in cold inclement weather. The employee is exposed to noise, dust, dirt, grease, hazardous chemicals, and machinery with moving parts.
  • The work requires the use of protective devices such as masks, goggles, gloves, etc.
  • Requires respirator clearance consisting of medical evaluation questionnaire, fit testing and physical exam.

Americans with Disabilities Act:
  • Climbing ability.
  • Visual acuity.
  • Manual dexterity
  • Normal hearing.
  • Walking ability.
  • Must be able to smell.

Work Authorization & Pre-Employment Requirements
Candidates must be authorized to work in the United States. All candidates must successfully pass a drug screen, pre-employment physical, background check, and possess a valid driver's license in good standing (if required for the position). Additionally, must be cleared by Department of Defense to access government facility.
Commercial Driver's License (CDL) Positions
For positions requiring a Commercial Driver's License (CDL), the use of marijuana (including medical marijuana) or any controlled substances, whether prescribed or otherwise, is strictly prohibited under Federal Motor Carrier Safety Administration (FMCSA) regulations of the U.S. Department of Transportation (DOT). Such use is a violation of federal law and will disqualify candidates from CDL-required positions.
Pay Transparency
This job posting complies with the New Jersey Pay Transparency Law (effective June 1, 2025), which requires employers to disclose salary ranges, benefits, and other compensation in job advertisements.
Recruitment Fraud Alert
We have noticed an increase in recruiting impersonations across the industry, where scammers attempt to obtain candidates� personal or financial information through fake interviews and offers.
All legitimate communications from Middlesex Water Company and its subsidiaries will originate from the following email domains: @msg.clrco.com or @clearcompany.com.
Any outreach claiming to be from Middlesex Water Company or its subsidiaries that does not come from these domains should be ignored.
Equal Employment Opportunity
Middlesex Water Company and its subsidiaries are Equal Opportunity Employers and are committed to creating an inclusive environment for all employees.
We consider all qualified applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, veteran status, genetic information, or any other characteristic protected by applicable law.
Applicant Communication
Please note: No phone calls, please.
We thank all applicants in advance for their interest; however, only those selected for an interview will be contacted.

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