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Wastewater Internship Jobs (NOW HIRING)

Olsson

Engineering Internship - Water/Wastewater

Phoenix, AZ · On-site

$16.75 - $21.50/hr

As one of our summer 2027 engineering student interns with the Water/Wastewater team, you will perform meaningful, hands-on, real-world work that will transform your classroom experience and help you ...

County of Nevada

CTE Intern-Wastewater

Nevada City, CA · On-site

$18.25 - $23/hr

The County of Nevada, Public Works Wastewater Division is offering an internship opportunity in partnership with the Nevada Joint Union High School District. Students enrolled in the CTE program are ...

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How much do wastewater internship jobs pay per hour?

As of Sep 4, 2026, the average hourly pay for wastewater internship in the United States is $18.64, according to ZipRecruiter salary data. Most workers in this role earn between $16.35 and $20.67 per hour, depending on experience, location, and employer.

What is a wastewater internship?

A wastewater internship is a temporary, supervised work experience program designed for students or recent graduates interested in learning about wastewater treatment and management. Interns typically assist with laboratory testing, data collection, equipment maintenance, and other tasks related to the operation of wastewater treatment plants. This hands-on experience helps interns develop technical skills, understand regulatory requirements, and gain insight into environmental protection efforts. Wastewater internships can be valuable stepping stones to careers in environmental science, engineering, or public works.

What types of hands-on experience can I expect during a wastewater internship?

During a Wastewater Internship, you can expect to gain hands-on experience with tasks such as sampling and testing water quality, assisting with routine equipment maintenance, and supporting day-to-day plant operations. Interns often work closely with experienced operators and engineers, learning how to monitor treatment processes and troubleshoot issues as they arise. You'll also become familiar with regulatory compliance requirements and recordkeeping, which are essential skills for advancing in the field. This practical exposure is designed to help you build a strong foundation for a career in environmental or civil engineering.

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

To thrive as a Wastewater Intern, you typically need a background in environmental science or engineering, basic knowledge of water treatment processes, and enrollment in a relevant degree program. Familiarity with laboratory testing equipment, data analysis software, and compliance documentation is often required. Strong attention to detail, willingness to learn, and effective teamwork and communication skills set standout interns apart. These skills are crucial for ensuring safe, efficient wastewater treatment operations and supporting regulatory compliance during your internship.

What is the difference between Wastewater Internship vs Wastewater Technician?

AspectWastewater InternshipWastewater Technician
CredentialsTypically students or recent graduates; may require coursework in environmental science or engineeringHigh school diploma or equivalent; technical certifications often preferred
Work EnvironmentSupervised, educational setting at treatment plants or labsFull-time, hands-on work at wastewater treatment facilities
Employer & Industry UsageUsed by educational institutions and entry-level programsEmployed by municipal or private wastewater treatment companies
Search & Comparison IntentLearning opportunities, entry-level experienceOperational roles, technical skills development

In summary, a wastewater internship is an educational, entry-level position designed for students gaining initial experience, while a wastewater technician is a full-time role requiring more technical skills and certifications for operational work at treatment facilities.

More about Wastewater Internship jobs

What cities are hiring for Wastewater Internship jobs?

Cities with the most Wastewater Internship job openings:

What are the most commonly searched types of Wastewater jobs?

The most popular types of Wastewater jobs are:

What states have the most Wastewater Internship jobs?

States with the most job openings for Wastewater Internship jobs include:

What job categories do people searching Wastewater Internship jobs look for?

The top searched job categories for Wastewater Internship jobs are:

Wastewater Internship jobs near you
Infographic showing various Wastewater Internship job openings in the United States as of August 2026, with employment types broken down into 12% Internship, 58% Full Time, 27% Part Time, 1% Temporary, and 2% Contract. Highlights an 85% Physical, 2% Hybrid, and 13% Remote job distribution, with an average salary of $38,778 per year, or $18.6 per hour.

Engineering Internship - Water/Wastewater

Olsson

Fayetteville, AR • On-site

$16 - $20.75/hr

Full-time, Internship

Medical, Dental, Vision, Retirement, PTO

Posted 4 days ago

Key responsibilities

  • Perform project design using CAD/modeling software and prepare construction documents.

  • Work on projects related to wastewater collection, treatment, water supply, storage, and distribution.

  • Collaborate with team members and engineers on various water and wastewater projects.

Job description

Company Description
We are Olsson. We engineer and design solutions that improve the world around us. As a company, we promise to always be responsive, transparent, and focused on results - for our people, our clients, and our company.
We're a people-centric firm, so it's no surprise our greatest asset is our people. The impact this creates is an environment that encourages our people to grow and be creative with their talents. This approach builds a culture that is uniquely Olsson. It allows us to grow our people as we grow our business. This, in turn, creates a lasting impact on the world around us.
Job Description
Olsson offers clients a full spectrum of water and wastewater services, including planning, design, permitting, and construction phase services. As one of our summer 2027 engineering student interns with the Water/Wastewater team, you will perform meaningful, hands-on, real-world work that will transform your classroom experience and help you envision your future career. You will provide project design utilizing CAD/modeling software, perform technical analysis, prepare construction documents, provide construction services, perform research, and write technical reports. You will work closely with other team members and engineers on projects related to wastewater collection and treatment along with water supply, storage, treatment, and distribution. Typical projects you will work on include sanitary sewer piping, water and wastewater pump stations, water piping, water supply wells, water storage tanks, and water treatment facilities.
Qualifications
You are passionate about:
  • Working collaboratively with others.
  • Having ownership in the work you do.
  • Using your talents to positively affect communities.

You bring to the team:
  • Strong communication skills
  • Ability to contribute and work well on a team
  • Pursuing a civil or environmental-related engineering degree
  • Working knowledge of AutoCAD
  • Proficiency in Microsoft Excel, Word, and Outlook
  • Problem-solving and decision-making skills
  • Strong attention to detail

#LI-DNP
Additional Information
Olsson specializes in engineering and design, client advisory services, planning, field services, and environmental. Improving the world has been our mindset from the very beginning, back when Olsson first opened for business in 1956. And it will be our mindset for years to come.
As an Olsson employee, you will:
  • Receive a competitive 401(k) match
  • Be empowered to build your career with tailored development paths
  • Have the possibility for flexible work arrangements
  • Engage in work that has a positive impact on communities
  • Participate in a wellness program promoting balanced lifestyles

In addition, full-time employees will receive our traditional benefits package (health care, vision, dental, paid time off, etc.) and the opportunity to participate in a bonus system that rewards performance.
Olsson is an Equal Opportunity Employer. We encourage qualified minority, female, veteran, and disabled candidates to apply and be considered for open positions. We do not discriminate against any applicant for employment or any employee because of race, color, religion, national origin, sex, sexual orientation, gender identity, gender, disability, age, military status, or other protected status.
Olsson understands the importance of privacy and is committed to protecting job applicants' personal information. Pursuant to the California Consumer Privacy Act, as amended by the California Privacy Rights Act (collectively, the "CCPA"), this notice explains Olsson's practices regarding the collection, use, and disclosure of personal information for job applicants residing in California. Please read this Notice carefully to understand our privacy practices.
For more information about the types of information we collect and how we use it in connection with your general access and use of our website, please review our general California Privacy Notice here.

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