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High school

2023 Clean Water Ambassadors Internship – in person!

*Applications will be accepted April 15 – May 15, 2023.

What: King County Wastewater Treatment Division partners with Mountains to Sound Greenway Trust to offer a paid internship experience for a cohort of high school interns to learn about local environmental issues, solutions, and careers focused on clean water in our region.

Who: For high school youth at least 16 years old. We strongly encourage applicants who are underrepresented in environmental careers and new to exploring environmental topics.

When (2023): July 17 – August 18 (28 hours/week).

Where: Interns meet in downtown Seattle. ORCA cards are provided.


  • Learn about environmental and social justice issues by participating in field trips and workshops
  • Improve communication skills through interviewing professionals, public speaking and professional writing
  • Create and implement a plan for teaching about clean water to your community next school year

How to Apply:  The application is open April 15 – May 15. Visit the King County jobs website and search for “Clean Water Ambassador.”  We strongly encourage applicants who are new to exploring environmental topics and/or who are from communities that are underrepresented in environmental careers.

To Learn More:  Attend an online information session or online career event.

Questions? Check out our Frequently Asked Questions or contact: 

Kristin Covey, Education Coordinator



College summer and year-round internships

King County Wastewater Treatment Division provides internships for fully enrolled undergraduate and graduate students that provide experiences in a number of environmental fields.

For more information:

Learn more about internship opportunities with WTD.

interns at computer

Career opportunity events and career fairs

Join the King County Wastewater Treatment Division for job-shadowing events, which explore careers in clean water. Go to our events page for more information and to register.

King County staff also attend and speak at career-exposure events and career fairs for high school, community college, and university students to increase awareness about the wide variety of jobs in wastewater.

To schedule a staff member for your event, contact:

career fair activity