Per the Guam Individual Wastewater Disposal System Regulations at 22 GAR §12105(h),new septic systems shall not be permitted within flood hazard areas. New buildings in these areas must be connected to public sewer. You can view the latest Flood Hazard Areas designated for Guam on the Federal Emergency Management Agency’s (FEMA’s) Flood Rate Insurance Map (FIRM)…
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Distance from wells, “Waters of the Territory”, and other things: Both the Guam Toilet Facilities and Sewage Disposal System Act (10 GCA Chapter 48) and Guam’s Individual Wastewater Disposal System Regulations (22 GAR Chapter 12), do not allow the construction of any component of a septic system within the distances shown in Table I below.…
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The answer to this question depends on whether your property is located within the Groundwater Protection Zone (“GPZ”), or outside the GPZ. See the section above titled “Is my property located above the aquifer?” for information on how to make this determination. Minimum lot size over the aquifer (within the GPZ): 19,200 square feet (1,784…
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The location of your home with respect to the Groundwater Protection Zone, or “GPZ”, determines the minimum lot size on which a new septic system may be permitted. The current GPZ location is determined by the Department of Land Management’s Groundwater Protection Zone Overlay Map, which was last approved in 1997. The GPZ map is…
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Horizontal distance to sewer: 200 feet. You are not allowed to build or use a septic system if public sewer service is available. Under Guam’s “Connection to Public Sewer Regulations” at 22 GAR Chapter 25, public sewer is considered to be available when the sewer is located in a roadway, street or easement abutting the…
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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:
