Basic contact information
Telephone: 671.300.4751/52/53
Fax: 671.300.4531
Guam EPA Mailing Address
P.O. Box 22439
GMF Barrigada, Guam 96921
Guam EPA Administration Office
Building 17-3304, Mariner Avenue
Tiyan, Barrigada, Guam 96913
Guam EPA Operations Building
15-6101 Mariner Avenue
Tiyan, Barrigada, Guam 96913
Telephone: 671.300.4751
Contact us via Email
For general information requests, please contact the Public Information Officer. For specific staff contact information please visit our Staff Directory.
Report Environmental Violations
Guam EPA encourages all members of the public to report any situation that appears to be an environmental violation. When reports are given to Agency staff, they will be investigated by the proper department. You can also report a violation here.
Guam EPA relies on all members of the community to help protect the environment. If you have seen an environmental violation, please let us know. Your report will remain anonymous if you wish and we will investigate based on the information provided.