17-3304 Mariner Avenue Tiyan Barrigada, Guam 96913
671.300.4751 671.300.4752
nic.rupley@epa.guam.gov

Is my property located above the aquifer?

Is my property located above the aquifer?

  • 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 available for viewing here.

 

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