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
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NPDES Permit Nos. GU0020141, GU0020087, GU0020222, GU0020273: Guam Waterworks Authority Wastewater Treatment Plants (PDF)(66 pp, 2 MB,
November 21, 2019)
Authorization to Discharge Under National Pollutant Discharge Elimination System (NPDES) Permit Nos. GU0020141, GU0020087, GU0020222, GU0020273 issued to Guam Waterworks Authority's Northern District, Agana/ Hagåtña, Agat-Santa Rita, and Umatac-Merizo Wastewater Treatment Plants.
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NPDES Permit Fact Sheet: Guam Waterworks Authority Wastewater Treatment Plants (PDF)(24 pp, 452 K,
November 2019)
EPA Fact Sheet for National Pollutant Discharge Elimination System (NPDES) Permit Nos. GU0020141, GU0020087, GU0020222, GU0020273 issued to Guam Waterworks Authority's Northern District, Agana/ Hagåtña, Agat-Santa Rita, and Umatac-Merizo Wastewater Treatment Plants.
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EPA Response to Comments: Guam Waterworks Authority Wastewater Treatment Plants (PDF)(3 pp, 129 K,
November 2019)
EPA response to comments received concerning issuance of a National Pollutant Discharge Elimination System (NPDES) Permit Nos. GU0020141, GU0020087, GU0020222, GU0020273 to Guam Waterworks Authority's Northern District, Agana/ Hagåtña, Agat-Santa Rita, and Umatac-Merizo Wastewater Treatment Plants.