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…
Read more
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,…
Read more
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,…
Read more
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…
Read more
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…
Read more
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…
Read more
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…
Read more
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…
Read more
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…
Read more
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…
Read more
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…
Read more
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…
Read more
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…
Read more
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…
Read more
