Northern Guam Sole Source Aquifer Island of Guam Designated Area Notes and Explanation: The Northern Guam Sole Source Aquifer was designated under the authority of Section 1424(e) of the Safe Drinking Water Act, Federal Register Citiation-43 Andersen FR 17888, Publication Date - 04/26/1978. A.F.B. Please contact US EPA Region 9 (Jamelya Curtis, 415-972-3529) for assistance in determining place locations with respect to the Communication project review area. Potts Junction Area Master ! Station Map Status and Disclaimer: ! Please note that this working map is a computer Agafo Gumas representation compiled by the Environmental Protection Agency (EPA) from sources which have supplied data or information that may not have been Oceanview ! AFB Salisbury Junction verified by the EPA. This data is offered ! here as a general representation only, and is not Annex to be used for commercial purposes without U.S.N. verification by an independent professional Lupog qualified to verify such data or information. Recharge Area ! The EPA does not guarantee the accuracy, completeness, or timeliness of the information Andersen ! shown, and shall not be liable for any loss or ! A.F.B. Yigo injury resulting from reliance upon the Harmon Village ! information shown. Gayinero

! Ipapao Wettengel Junction ! ! ! Asatdas AFB Dededo Legend Tumon Andersen Annex ! A.F.B. Designation Boundary ! Oca Major Roads Chalan Mamajanao Regional ! Adacao Streets ! Medical ! Socio Apurguan ! Rivers Center Agana ! Tamuning Pigo U.S.N.A.S. US Navy Military Installations ! ! ! ! ! Maite U.S.N. Adelup Anigua ! ! ! Communication Asan Hagatna! ! ! Sella San Ramon ! Ungaguan Streamflow Source ! Mongmong ! ! ! Machaute Bacuna ! ! Station ! Maina ! ! ! ! Toto ! ! Calacag Agana Heights ! ! Pado San Antonio Recharge Area Tepungan Matugan Tutujan Utan Aspengo Asbeco ! ! ! ! ! Manaca ! U.S.N. ! ! Piti Schroeder Junction Sinajana Cities, Towns ! Canada Leyan ! Andersen Afami Lalo ! A.F.B.

! Asmuyao Ordot ! Corten Torres Chalan Pago ! ! Tacpi Streamfl ow ! Catan Maga Source ! ® 0 1 2 4 6 8

Miles WTR1202018_1 April 2012

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