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Wastewater Internship Jobs (NOW HIRING)

Hansoninc

Water/Wastewater Engineer

Saint Louis, MO · On-site

$100K - $120K/yr

  • Medical

  • Retirement

Position Overview As the Water/Wastewater Engineer, you will contribute to the design and ... Award-winning internship program * Employee recognition * And so much more! AN EQUAL OPPORTUNITY ...

Hansoninc

Water/Wastewater Engineer

Corpus Christi, TX

$100K - $120K/yr

  • Medical

  • Retirement

Position Overview As the Water/Wastewater Engineer, you will contribute to the design and ... Award-winning internship program * Employee recognition * And so much more! AN EQUAL OPPORTUNITY ...

Trilon Group

Entry Level Wastewater Engineer

Hartford, CT · On-site

$75K - $100K/yr

  • Medical

  • PTO

Coursework or internship experience in wastewater engineering - pump stations, collection systems, or treatment - is a strong plus, but we're glad to build on a solid foundation * EIT preferred; a ...

Trilon Group

Entry Level Wastewater Engineer

Providence, RI · On-site

$75K - $100K/yr

  • Medical

  • PTO

Coursework or internship experience in wastewater engineering - pump stations, collection systems, or treatment - is a strong plus, but we're glad to build on a solid foundation * EIT preferred; a ...

Trilon

Wastewater Engineer

Hartford, CT

  • Medical

  • PTO

Coursework or internship experience in wastewater engineering - pump stations, collection systems, or treatment - is a strong plus, but we're glad to build on a solid foundation * EIT preferred; a ...

ISG

Industrial Water/Wastewater Engineer

Sioux Falls, SD · On-site

$70K - $125K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Industrial Water/Wastewater Engineer Department: Water/Wastewater Employment Type: Full Time ... You'll collaborate with senior engineers, mentor interns/early-career team members, and actively ...

Trilon

Project Engineer - Water & Wastewater

Las Vegas, NV · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We deliver innovative water and wastewater engineering and construction management solutions for ... Mentor and provide technical guidance to entry-level engineers and interns. * Collaborate across ...

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Wastewater Internship information

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How much do wastewater internship jobs pay per hour?

As of Aug 14, 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 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.

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 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 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.
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What are the most commonly searched types of Wastewater jobs?

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What states have the most Wastewater Internship jobs?

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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, 63% Full Time, 22% Part Time, 1% Temporary, and 2% Contract. Highlights an 87% Physical, 2% Hybrid, and 11% Remote job distribution, with an average salary of $38,778 per year, or $18.6 per hour.

Water/Wastewater Engineer

Hansoninc

Saint Louis, MO • On-site

$100K - $120K/yr

Full-time

Medical, Retirement

Re-posted yesterday

Job description

Hanson Values

Integrity | Commitment | Quality | Relationships | Innovation

If you're looking for a firm that encourages innovative thinking and challenges you every day, with an opportunity to learn and advance, a career at Hanson is right for you. The belief in sustainability within our company's practices creates a focus on client success and partnerships that are important to our communities and our environment.

Job Description

Join HANSON, where innovation and sustainability drive our commitment to client success and community impact. We are seeking a motivated Water/Wastewater Engineer with 5 years of experience to support regional water and wastewater infrastructure projects from our St. Louis, MO office.

Position Overview

As the Water/Wastewater Engineer, you will contribute to the design and implementation of water and wastewater systems, including treatment facilities, pump stations, and distribution networks. You'll collaborate with senior staff, and contribute to operations and maintenance planning for municipal and industrial systems.

Key Responsibilities

  • Design water distribution and wastewater collection systems, pump stations, and treatment units.
  • Perform hydraulic calculations and pump sizing.
  • Prepare and manage plans, specifications, permitting documents, technical reports, and cost estimates.
  • Participate in client meetings and maintain strong relationships with clients and private stakeholders.
  • Coordinate regional project execution.
  • Provide civil engineering design support for local road and bridge projects.
  • Integrate current industry trends and technologies into project solutions.
  • Support operations and maintenance planning for water and wastewater treatment facilities.

Qualifications

  • Experience: Minimum 5 years in water/wastewater engineering, including design of water distribution, wastewater collection systems, and pump stations.
  • Education: Bachelor's degree in an ABET-accredited Engineering program.
  • Licensure: P.E. license required or the ability to obtain a MO P.E. within 6 months of employment.
  • Knowledge: Familiarity with the Metropolitan St. Louis Sewer District sewer design requirements is preferred.
  • Skills: Strong communication, leadership, and client engagement abilities. Proficient with AutoCAD/Civil 3D or OpenRoads Designer.
  • Additional: Ability to travel and work overtime as needed.
  • General Contractor License a plus

The salary range for this position is $100,000 - $120,000 per year.

Benefits

Our focus on people means we offer a generous benefits program to help you create a solid foundation for health and security throughout your career, including:

  • Competitive compensation
  • Performance bonuses
  • 401(k) with matching contribution
  • Employee Stock Ownership Plan
  • Comprehensive health & well-being plans
  • Financial wellness plans
  • Work-life balance programs

Want to know more? Visitour benefits pagefor all the details.

Culture

We understand that selecting a job is about more than the day-to-day tasks. It's important to feel like you belong and safe to grow and progress along your career path. You'll find that at Hanson. We have an inclusive, diverse workforce awaiting to connect with you and numerous opportunities to cultivate your career, including:

  • Monthly educational webinars
  • Leadership training
  • Lunch & learn development sessions
  • 24/7 access to thousands of skill-building courses
  • Mentorship opportunities
  • Award-winning internship program
  • Employee recognition
  • And so much more!

AN EQUAL OPPORTUNITY EEO - EMPLOYER

We do not accept unsolicited resumesfrom recruiters or agencies/staffing firms.Resumesare only accepted from recruiters and agency/staffing firms if a signed agreement is in place at the inception of the recruiting effort and authorized for a specified position.

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