CUSTOMER LINKS
Business Hours
Mon.- Fri, 8:00 a.m. 5:00 p.m. Closed on GovGuam Holidays
Phone: (671) 647-7800
Physical Address:
578 North Marine Corps Drive,
Tamuning, Guam 96913-4111
adjacent to
Department of Public Works
behind Guam Telephone Authority
Mailing Address:
P.O. Box 3010
Hagatna, Guam 96910
Mon.- Fri, 8:00 a.m. 5:00 p.m. Closed on GovGuam Holidays
Phone: (671) 647-7800
Physical Address:
578 North Marine Corps Drive,
Tamuning, Guam 96913-4111
adjacent to
Department of Public Works
behind Guam Telephone Authority
Mailing Address:
P.O. Box 3010
Hagatna, Guam 96910
DIRECTIONS/MAP
Guam Waterworks Office is located along Route 1 (Marine Drive), Upper
Tumon behind GTA and adjacent to Department of Public Works.
Office Hours are from 8:00am to 4:30pm daily Monday thru Friday. Administrative
Offices are closed on weekends and Government of Guam Holidays.

©2007
Guam Waterworks Authority