After taking samples from 21 spots along the coast, researchers expected to find the most caffeine pollution in areas near wastewater treatment plants, large population centers or rivers and streams emptying into the ocean, said Elise Granek, assistant professor of Environmental Science and Management at Portland State.

CNN: Researchers find caffeine in waters off Oregon

At the event, officials from the Departments of Transportation, Labor, Energy, Education, and Agriculture, as well as from the Office of Personnel Management, National Science Foundation, Environmental Protection Agency and Corporation for National and Community Service, met with leaders of STEM mentoring organizations and members of the public.

WHITEHOUSE: Celebrating Mentoring Month with Science and Engineering