An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

GWA Agana/Hagatna Sewage Treatment Plant, Hagatna, Guam: GU0020087

Discharger Name: Guam Waterworks Authority
Discharger Address: P.O. Box 3010, Hagatna, Guam 96910
Facility Name: Agana/Hagatna Sewage Treatment Plant
Facility Location: Address, Marine Drive, Route 1, Hagatna, GU 96932
These permits were issued on: November 21, 2019
These permits shall become effective on: January 1, 2020
These permits shall expire at midnight on: December 31, 2024

If you experience a problem reading a document with assistive technology, please contact us.

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.