GHS Team

GHS Profile2

Dan G. Superales

Ground Water Modeling, RA II
BS Computer Science
Graduate Student, Environmental Science Program
WERI, University of Guam

Project: Defining and Evaluating Groundwater Production Capacity for an Island Aquifer
Mr. Superales is using USGS SUTra model of the Northern Guam Lens Aquifer, developed by Stephen Gingerich (2013), to examine a parabasal zone production well system configuration, comparing performance results with the real system. Superales will be defending and completing his thesis in Fanuchanan (Rainy) Semester, 2019.

GHS Profile

Kaylyn K. Bautista

GHS Product Development & Comprehensive Water Monitoring Program | Monitoring System Expansion Rehabilitation Program (MSERP)
M.S. Environmental Science (received the Presidential Thesis Award), University of Guam
WERI, University of Guam

Ms. Bautista works with the WERI Director to organize information for reports and presentations. She assists in observation well field data collection and for the preparation of the seven new deep observation wells to be installed in military property, MSERP. She is also involved in the map analysis of the Guam coastal discharge project for NASA.


Glen C. Aguilar

Web Developer
Undergraduate Student, Chemistry Program, University of Guam
RA I, WERI, University of Guam

Mr. Aguilar is a web developer and computer systems administrator. He develops and manages this website and assist in making pertinent Guam hydrologic information available to everyone through the internet.



Thomas-Ryan M. Aguilo

Groundwater Modeling
BS Biology, University of Guam
Graduate Student, Environmental Science Program
RA II, WERI, University of Guam

Mr. Aguilo is developing the Yigo-Tumon Basin Aquifer model on latest software technology, Aquaveo® Groundwater Modeling Systems (GMS). Mr. Aguilo will be presenting his thesis proposal this Fanuchanan Semester, 2019.

Barry (Yong Sang) Kim, PhD

Co-Operations Manager
PhD, Civil Engineering, Purdue University
Assistant Professor of Water Engineering, WERI, University of Guam

Dr. Kim was the GHS Program’s Research Affiliate at WERI. In transition to WERI Faculty, Dr. Kim continues to advise in the GHS operations. His on-going research projects are the lessons learned in the well rehabilitation, Guam’s Water-Use Data Research (WUDR) Program (USGS), and investigation of PFAS sources.

John W. Jenson, PhD

WERI Director

Nathan C. Habana, PhD

Operations Manager