Pursuant to 10 GCA Ch 53 §53113 (c) The Guam Environmental Protection Agency (Guam EPA) issues this public notice to seek public comment on the Guam EPA’s proposed updates to the Risk Assessment Document: Interim Action Level for Dieldrin, approved in November 2024. This notice also serves to notify the general public that a public…
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February 13, 2026 — (TIYAN, Guam) — The Guam Environmental Protection Agency’s Board of Directors regularly scheduled meeting will take place on Thursday, February 19, 2026 at 4 p.m. at the Guam EPA Administration Building Conference Room at 17-3304 Mariner Avenue Tiyan Barrigada, Guam 96913-1617. This meeting will be live streamed on the Guam EPA…
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The Guam Environmental Protection Agency (Guam EPA) needs your help in reviewing Guam’sWater Quality Standards (WQS) per the Clean Water Act (CWA) Section 303(c). • Section 303(c)(1) of the CWA and the US EPA regulations at 40 CFR 131.20 require that Guam,from time to time, but at least once every three years, hold public hearings…
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January 29, 2026 — The Guam Environmental Protection Agency invites the public and all parties interested in fresh and marine surface water quality to share available water quality data collected during the years from January 1, 2021 to December 31, 2025. The Clean Water Act (CWA) requires Guam to provide every two years an assessment…
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Pursuant to 10 GCA §53113 (Guam Safe Drinking Water Act)The Guam EnvironmentalProtection Agency (Guam EPA) issues this public notice to seek public comment on the GuamEPA’s proposed updates to the Risk Assessment Document: Interim Action Level for Dieldrin,approved in November 2024. This notice also serves to notify the general public that a publichearing will be…
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November 7, 2025. The Guam Environmental Protection Agency (GEPA) is informing the community that a Notice of Violation (NOV) was issued to the Palisades Subdivision project developer. This NOV was issued following GEPA’s investigation into the Palisades Subdivision project as a result of the landslide occurring on route 1 in Hagatña on October 15, 2025.
The Guam Environmental Protection Agency’s Board of Directors regularly scheduled meeting will take place on Thursday, November 13, 2025 at 4 p.m. at the Guam EPA Administration building conference room at 17-3304 Mariner Avenue Tiyan Barrigada, Guam 96913-1617. This meeting will be live streamed on the Guam EPA YouTube channel and can be viewed by…
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The Guam Environmental Protection Agency (GEPA) has launched an investigation into any potential ramifications that may have been caused by the landslide that occurred on East Agana on October 15, 2025.
September 17, 2025 – (TIYAN, Guam) – The Guam Environmental Protection Agency’s Board of Directors regularly scheduled meeting will take place on Thursday, September 18, 2025 at 4 p.m. at the Guam EPA Administration Building Conference Room at 17-3304 Mariner Avenue Tiyan Barrigada, Guam 96913-1617. This meeting will be live streamed on the Guam EPA…
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This Interim Action Level (IAL) was established by the Guam Environmental Protection Agency Board of Directors on November 21, 2024 pursuant to Guam Safe Drinking Water Act 10 GCA §53113. The Risk Assessment Document is available on our Safe Drinking Water page. Please click here to view.
August 15, 2025 – (TIYAN, Guam) – The Guam Environmental Protection Agency’s Board of Directors regularly scheduled meeting will take place on Thursday, August 21, 2025 at 4 p.m. at the Guam EPA Administration Building Conference Room at 17-3304 Mariner Avenue Tiyan Barrigada, Guam 96913-1617. This meeting will be live streamed on the Guam EPA…
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July 16, 2025 – (TIYAN, Guam) – The Guam Environmental Protection Agency’s Board of Directors regularly scheduled meeting will take place on Thursday, July 24, 2025 at 4 p.m. at the Guam EPA Administration Building Conference Room at 17-3304 Mariner Avenue Tiyan Barrigada, Guam 96913-1617. This meeting will be live streamed on the Guam EPA…
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Pursuant to 5 GCA Ch 9, Sec 9301, Guam EPA issues this public notice to seek public comment on the Guam EPA’s proposed new and amended regulations of onsite wastewater treatment and disposal systems, in 22 GAR Div 2, Ch 12. This notice also serves to notify the general public that a public hearing will…
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On June 25, 2025, the Guam Environmental Protection Agency (Guam EPA) submitted its 2024 Annual State Public Water System Compliance Report to the U.S. EPA. The report is due every year on July 1, and entails compliance reporting of eight (8) public water systems under Guam EPA’s regulatory authority. This report is required under the…
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The Guam Environmental Protection Agency (Guam EPA) is announcing their intent to employ Mr. Peter P. Bautista, as Chief Engineer at pay grade SX step 06 at the salary of $104,136.00. This announcement is in compliance with Public Law 28-112, Recruitment Above Step, Section 5, Transparency and Disclosure, Section 10 (6303.1). Should you required additional…
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June 9, 2025 – (TIYAN, Guam) The Guam Environmental Protection Agency’s Board of Directors regularly scheduled meeting will take place on Thursday, June 19, 2025 at 4 P.M. at the Guam EPA Administration building conference room at 17-3304 Mariner Avenue Tiyan, Barrigada, Guam 96913-1617. This meeting will be live streamed on the Guam EPA YouTube…
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The Guam Environmental Protection Agency Board of Directors meeting scheduled for Thursday, June 5, 2025 is cancelled due to no quorum. 5 GCA Government Operations Ch.8 Open Government Law §8107.
Please be advised that the Toilet Facilities and Sewage Disposal Chapter codified in 10 GCA Chapter 48 has been amended through the enactment of Guam Public Law 37-105.
On July 18, 2024, Bill 175-37(COR) as substituted and amended on the floor was signed into law as Guam Public Law 37-105 and is effective upon enactment. As a result of this enactment, certain conditional environmental clearances issued by the Guam Environmental Protection Agency for building permits issued by the Department of Public Works have changed and will now be performed in accordance to this new law and its amended provisions.
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In case you missed our Construction & Industry Forum on March 29, 2023, you can click on the links below to access presentations about Guam EPA’s construction permitting process:
