July 9, 2026 – The Guam Environmental Protection Agency is experiencing unreliable internet service and is unable to livestream today’s scheduled meeting. The July 9, 2026 continuation of the June 2026 Regular Meeting of the Guam Environmental Protection Agency Board of Directors is postponed to July 31, 2026 at 4:00 pm, at the following location:…
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On July 1, 2026, the Guam Environmental Protection Agency (Guam EPA) submitted its 2025 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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June 26, 2026 – The June 2026 Regular Session Meeting of the Guam Environmental Protection Agency Board of Directors was recessed and shall reconvene on July 9, 2026 at 4:00 pm, at the following location: Guam EPA 17-3304 Mariner Avenue Tiyan Barrigada, Guam. Should you have any questions or concerns, please visit the Guam…
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May 22, 2026 — (Tiyan, Guam) – The May 21, 2026 Regular Meeting of the Guam Environmental Protection Agency Board of Directors was placed in recess and shall reconvene on Tuesday, June 9, 2026 at 4:00 pm, at the following location: Guam EPA 17-3304 Mariner Avenue Tiyan Barrigada, Guam.Should you have any questions or concerns,…
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The Guam Environmental Protection Agency (Guam EPA) is soliciting Statements of Qualification for Professional Services to be performed by a Botanist/Ecologist to assist Guam EPA’s field crew members with field identification and data analysis for the National Wetland Condition Assessment (NWCA). Statements of Qualification shall include (1) technical education and training; (2) general or special experience, certifications,…
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March 18, 2026 — (TIYAN, Guam) — The Guam Environmental Protection Agency’s Board of Directors regularly scheduled meeting will take place on Thursday, March 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) is soliciting Statements of Qualification for Professional Services to be performed by a Botanist/Ecologist to assist Guam EPA’s field crew members with field identification and data analysis for the National Wetland Condition Assessment (NWCA). Statements of Qualification shall include (1) technical education and training; (2) general or special…
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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.
