GUS040000: Department of the Navy, Naval Base Guam MS4
Discharger Name: Department of the Navy (DON)
Discharger Address: Department of the Navy, Naval Base Guam (NBG), PSC 455, Box 152, FPO AP, Guam 96540-1000
Facility Name: Municipal Separate Storm Sewer System (MS4)
Facility Location Address: Department of Defense Facilities on the Island of Guam
Facility Rating: Minor
Modification issued on: January 30, 2023
Modification effective on: March 1, 2023
This permit was issued on: December 20, 2018
This permit became effective on: February 1, 2019
This permit shall expire at midnight on: January 31, 2024
- NPDES Permit No. GUS040000 Modification (2023): Naval Base Guam Municipal Separate Storm Sewer System (pdf)
- EPA Fact Sheet: Modification of NPDES Permit No. GUS040000 (pdf)
- NPDES Permit No. GUS040000 Modification (2022): Naval Base Guam Municipal Separate Storm Sewer System (pdf)
- NPDES Permit No. GUS040000: Department of the Navy, Naval Base Guam Municipal Separate Storm Sewer System (MS4) (pdf)
- Addendum to NPDES Permit Fact Sheet: Department of the Navy, Naval Base Guam Municipal Separate Storm Sewer System (MS4) (pdf)
- Response to Public Comments: Department of Defense MS4 Facilities on Guam (pdf)
- Response to Supplemental Comments: Department of Defense MS4 Facilities on Guam (pdf)