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Wastewater Internship Jobs (NOW HIRING)

Olsson

Engineering Internship - Water/Wastewater

Denver, CO · On-site

$17.25 - $22.50/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 ...

New

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 ...

New

HDR, Inc.

$15.75 - $20.50/hr

This internship offers hands-on experience supporting engineers and project managers on impactful ... Water/Wastewater & Civil Site * Assist with the planning, design, and delivery of water, wastewater ...

New

HDR

Water/Wastewater Engineering Intern- KY

Lexington, KY · On-site

$16.75 - $21.50/hr

This internship offers hands-on experience supporting engineers and project managers on impactful ... Water/Wastewater & Civil Site * Assist with the planning, design, and delivery of water, wastewater ...

New

HDR

Water/Wastewater Engineering Intern- KY

Lexington, KY · On-site

$16.75 - $21.50/hr

This internship offers hands-on experience supporting engineers and project managers on impactful ... Water/Wastewater & Civil Site * Assist with the planning, design, and delivery of water, wastewater ...

HDR, Inc.

Water/Wastewater Engineering Intern- TN

Memphis, TN

$15 - $19.50/hr

This internship offers hands-on experience supporting engineers and project managers on impactful ... Water/Wastewater & Civil Site * Assist with the planning, design, and delivery of water, wastewater ...

New

HDR, Inc.

Water/Wastewater Engineering Intern- TN

Memphis, TN · On-site

$15 - $19.50/hr

This internship offers hands-on experience supporting engineers and project managers on impactful ... Water/Wastewater & Civil Site * Assist with the planning, design, and delivery of water, wastewater ...

New

HDR, Inc.

$16.75 - $21.50/hr

This internship offers hands-on experience supporting engineers and project managers on impactful ... Water/Wastewater & Civil Site * Assist with the planning, design, and delivery of water, wastewater ...

New

HDR

Water/Wastewater Engineering Intern- TN

Brentwood, TN · On-site

$15.75 - $20.50/hr

This internship offers hands-on experience supporting engineers and project managers on impactful ... Water/Wastewater & Civil Site * Assist with the planning, design, and delivery of water, wastewater ...

HDR

Water/Wastewater Engineering Intern- TN

Brentwood, TN

$15.75 - $20.50/hr

This internship offers hands-on experience supporting engineers and project managers on impactful ... Water/Wastewater & Civil Site * Assist with the planning, design, and delivery of water, wastewater ...

New

HDR, Inc.

$16 - $21/hr

This internship offers hands-on experience supporting engineers and project managers on impactful ... Water/Wastewater & Civil Site * Assist with the planning, design, and delivery of water, wastewater ...

New

HDR, Inc.

Water/Wastewater Engineering Intern- TN

Nashville, TN · On-site

$16.25 - $21/hr

This internship offers hands-on experience supporting engineers and project managers on impactful ... Water/Wastewater & Civil Site * Assist with the planning, design, and delivery of water, wastewater ...

New

Olsson

Engineering Internship - Water/Wastewater

Kearney, NE · On-site

$15.75 - $20.50/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 ...

New

Olsson

Engineering Internship - Water/Wastewater

Lincoln, NE · On-site

$14.50 - $19/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 ...

New

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Wastewater Internship information

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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

Denver, CO • On-site

$17.25 - $22.50/hr

Internship

Posted 3 days ago

New

Job description

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, environmental, or other related engineering degree
  • Working knowledge of AutoCAD
  • Proficiency in Microsoft Excel, Word, and Outlook
  • Problem-solving and decision-making skills
  • Strong attention to detail

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