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High school

2022 Clean Water Ambassadors Internship – in person!

*Applications for 2022 are now closed. Please check back in March 2023 for information about how to apply for the next internship.

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 15 years old. We strongly encourage applicants who are underrepresented in environmental careers and new to exploring environmental topics.

When (2022): July 5 – Aug 17, 30 hrs./week; followed by 40+ hrs. during the next school year.

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
  • Develop and implement project proposals designed for your school and community

Group of high school students, enrolled in the WTD internship program, on a tour of the Duwamish River.

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