An official website of the United States government.

We've made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Public Notice: Proposed Reissuance of Four NPDES Permits in Guam

How to Comment

Comments accepted through: 06/17/2019

The permit and administrative record are available for review on EPA’s website or by reaching out to the contact below. Interested persons may submit written comments on the draft permit during the public comment period. All comments or objections received within the comment period will be retained and considered in the formulation of the final permit determination. Comments or a request for a public hearing may be made in writing to the contact below.

Upon issuance of a final permit decision and response to comments, the EPA will notify the applicant and persons who submitted written comments or requested notice of the final permit decision. Within 33 days after EPA issues the final permit, any person who filed comments on the draft permit or participated in the public hearing may petition the Environmental Appeals Board to review any condition of the permit decision.

When public interest warrants, EPA may schedule a public hearing or may grant an extension of the comment period for the submittal of comments or objections.

Contact

Jamie Marincola (marincola.jamespaul@epa.gov)
415-972-3520

Publish Date: 05/16/2019

Summary

Public Notice #:  GU-19-W-03

The U.S. Environmental Protection Agency, Region IX (EPA) is issuing a notice of proposed action under the Clean Water Act. EPA is proposing to reissue National Pollutant Discharge Elimination System (NPDES) permits GU0020141, GU0020087, GU0020222, and GU0020273 to four Guam Waterworks Authority wastewater treatment plants. The four wastewater treatment plants, which treat the majority of sewered domestic wastewater on Guam, are:

Northern District Sewage Treatment Plant

Route 34, Harmon Annex, Dededo, GU 96912

NPDES Permit No. GU0020141
Northern District STP is an advanced primary facility that treats approximately 6 Million Gallons per Day (“MGD”) of wastewater and discharges to the Philippine Sea south of Tanguisson Point. The facility is required to upgrade to secondary treatment.

Agaña/Hagåtña Sewage Treatment Plant

Marine Corps Drive/ Route 1, Hagåtña, GU 96932

NPDES Permit No. GU0020087
Agaña/Hagåtña STP is an advanced primary facility that treats approximately 6 MGD of wastewater and discharges to Agaña Bay between Oca and Adelup Points. The facility is required to upgrade to secondary treatment.

Agat-Santa Rita Wastewater Treatment Plant

Route 2A, Tipalao, Agat, GU 96928

NPDES Permit No. GU0020222
Agat-Santa Rita WWTP is a secondary treatment facility that treats approximately 1.6 MGD of wastewater and discharges to Tipalao Bay. The new Agat-Santa Rita facility began operations in March 2017.

Umatac-Merizo Wastewater Treatment Plant

Route 2, Merizo, GU 96915

NPDES Permit No. GU0020273
Umatac-Merizo WWTP is an equivalent to secondary facility that treats approximately 0.4 MGD of wastewater and discharges to the Toguan River that flows to the Toguan Bay. The facility is undergoing upgrades to be completed in 2019.

Applicant or Respondent

Guam Waterworks Authority
P.O. Box 3010
Agana, GU 96910

Permit #: GU0020141, GU0020087, GU0020222, GU0020273