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Presentations
Workshops
WERI Workshop 2024
Aquifer Basics & the NGLA Map
Geologic Map of Guam & Underground Surveying (ERT)
MAppFx: A Data Visualization Interface
Chloride & Production in the NGLA
Deep Observation Wells (DOWs)
Solute Transport Model of Swamp Road, NGLA
PFAS – National Primary Drinking Water Regulation
Dieldrin In Guam’s Drinking Water: Proposed Interim Action Level
Overview and Key Insights: Guam Waterworks Authority’s Groundwater Wells
NOAA/NWS: State of the Climate
- AECOM
- BSP
- DOAG
- DLM
- EA
- EMPSCO
- GCMP
- GEPA
- GFSRD
- GWA
- HDR
- NAVFAC MAR
- NGSWCD
- UOG CLASS
- UOG WERI
- USAF 36th CEO/CEIOU
- USGS PIWSC
Organizers
WERI – N.C. Habana
UOG GLE – D. Raglmar, GLE Team
WERI Water Resources Forum 2022
Guam's Water Resources Review
MAppFx Well Nitrates
PFAS Distribution in the Hagåtña Region
Guam Climate Update
- GWA
- NWS
- GEPA
- SWCD
- BYU
- Kumisión I Fino’ CHamoru
Organizers
WERI – J. Cacal, N.C. Habana, G. Payumo
WERI GHS Workshop 2020
Session 1 (Friday, 1/31/2020):
- Welcome & Overview 1, Welcome & Overview 2
- NGLA Review
- NGLA Database and Map
- NGLA History and Recommendations
- NGLA Sinkholes
Crosstalk Forum Well Rehabilitation Lessons Learned:
- GWA Railey ; EA Shambach ; APDI Polovich, ppt, video ; GEPA Marquez
- Yigo-Tumon Basin DOWLs
- MSERP and OGAMP – New and Renew DOWLs
Session 2 (Friday, 2/7/2020):
Agencies in Attendance
- GWA
- GEPA
- AECOM
- APDI
- GBSP
- GCMP
Organizers
WERI – K. Bautista, A. Agustin, M. Ziobro, Dr. B. Kim, Director J.W. Jenson, N.C. Habana
PIP – Director Taitano, PIP Team
WERI Workshop 2017
Session 1 (9/11/2017):
Session 2 (9/18/2017):
- Welcome & Overview
- Review Salinity Basics
- Rainfall Patterns Aquifer
- Salinity & Lens Analysis
- GW Modeling
- OGAMP
Agencies in Attendance
- GWA
- GEPA
- NG SWCD
- APDI
- BLM
- PCR
Organizers
WERI – Dr. Barry Kim, Daniel Superales, Norma Blas, and Gema Capati
PIP – Carlos Taitano and Russell Ocampo
WERI Workshop 2024
Aquifer Basics & the NGLA Map
Geologic Map of Guam & Underground Surveying (ERT)
MAppFx: A Data Visualization Interface
Chloride & Production in the NGLA
Deep Observation Wells (DOWs)
Solute Transport Model of Swamp Road, NGLA
PFAS – National Primary Drinking Water Regulation
Dieldrin In Guam’s Drinking Water: Proposed Interim Action Level
Overview and Key Insights: Guam Waterworks Authority’s Groundwater Wells
NOAA/NWS: State of the Climate
- AECOM
- BSP
- DOAG
- DLM
- EA
- EMPSCO
- GCMP
- GEPA
- GFSRD
- GWA
- HDR
- NAVFAC MAR
- NGSWCD
- UOG CLASS
- UOG WERI
- USAF 36th CEO/CEIOU
- USGS PIWSC
Organizers
WERI – N.C. Habana
UOG GLE – D. Raglmar, GLE Team
WERI Water Resources Forum 2022
Guam's Water Resources Review
MAppFx Well Nitrates
PFAS Distribution in the Hagåtña Region
Guam Climate Update
- GWA
- NWS
- GEPA
- SWCD
- BYU
- Kumisión I Fino’ CHamoru
Organizers
WERI – J. Cacal, N.C. Habana, G. Payumo
WERI GHS Workshop 2020
Session 1 (Friday, 1/31/2020):
- Welcome & Overview 1, Welcome & Overview 2
- NGLA Review
- NGLA Database and Map
- NGLA History and Recommendations
- NGLA Sinkholes
Crosstalk Forum Well Rehabilitation Lessons Learned:
- GWA Railey ; EA Shambach ; APDI Polovich, ppt, video ; GEPA Marquez
- Yigo-Tumon Basin DOWLs
- MSERP and OGAMP – New and Renew DOWLs
Session 2 (Friday, 2/7/2020):
Agencies in Attendance
- GWA
- GEPA
- AECOM
- APDI
- GBSP
- GCMP
Organizers
WERI – K. Bautista, A. Agustin, M. Ziobro, Dr. B. Kim, Director J.W. Jenson, N.C. Habana
PIP – Director Taitano, PIP Team
WERI Workshop 2017
Session 1 (9/11/2017):
Agencies in Attendance
- GWA
- GEPA
- NG SWCD
- APDI
- BLM
- PCR
Session 2 (9/18/2017):
- Welcome & Overview
- Review Salinity Basics
- Rainfall Patterns Aquifer
- Salinity & Lens Analysis
- GW Modeling
- OGAMP
Organizers
WERI – Dr. Barry Kim, Daniel Superales, Norma Blas, and Gema Capati
PIP – Carlos Taitano and Russell Ocampo
GWRD | TEG | OGAMP
Advisory Council Meetings
2024
Session Agenda
- Welcoming Remarks & Introduction
- Overview of WERI and USGS 104B Program
- 2024 Seasonal Recap, Rainfall, and a Look Ahead
- MAppFx: A Data Visualization Interface for Guam and CNMI
- Patterns and Trends of Salinity in Guam
- Climate Change Impacts on Guam’s Rainfall
- Deep Observation Wells in the NGLA
- Preliminary Assessment of Basic Water Quality for Hagatna Swamp, Guam
- Roundtable Discussions
2023
- Tomhom Basin Phreatic Model, and GWA Master Plan Production Well Relocation (N.C. Habana)
- Nitrate-N Solute Transport Model of Swamp Road Area Development Plan (A. Bautista)
- MAppFx: Production Well Nitrate-N NGLA & Southern Guam Flow Duration Curves (D. Valerio)
- PFAS Contamination Status in the Hagatna Region (M. Duenas)
- Analysis of Historical Patterns and Trends of Salinity in the Northern Guam Lens Aquifer (H. Ko)
- The Year in Rainfall, ENSO, Next Year’s Forecast (W. Aydlett)
- Package Wastewater Treatment
- Groundwater Protection Zone
(N.C. Habana)
(A. Bautista)
(D. Valerio)
(M. Duenas)
(H. Ko)
(W. Aydlett)
2022
The 2022 Advisory Council Meeting was a part of the Western Pacific Subsection of the American Waterworks Association (AWWA-HIWPS) Conference as a free session either in-person or virtual.
As a free session in the AWWA-HIWPS Conference, the following topics was covered:
- WERI: Who We Are and What We Do
- Surface Hydrology of the Northern Guam Lens Aquifer
- Establishing Groundwater Protection Zones in Guam
- Groundwater Model of the Machanao Basin, NGLA
- Hydrogeological Working Definiion of Sinkhole
- Patterns and redns of Salinity in the YIgo-Tumon Basin
- PFOS in Saipan Production Wells
- Stormwater Management for Garapan, Saipan
- Water Quality Analaysis for FSM Utility Laboratories
- FSM Water Education Program
- WERI Scholarships: Joseph D. Rouse, Mark A. Lander
2021
Session Agenda
- Welcome and Introductory Remarks
- WERI: Who we are and what we do
- Guam Water Kids
- Surface Hydrology of the Northern Guam Lens Aquifer
- CHamoru Names of Northern Plateau Basins
- Guam Hydrologic Survey Website
- WERI Web MApps
- State of the Climate 2021
- Geologic Features of a Discharging Coastal Cave, Ayuyu Cave, Guam
- 3D Groundwater Model: Wastewater-Nitrogen Solute Transport
- Trends and Patterns of Salinity in Finegayan Basin
- Calibrating the Yigo-Tumon Groundwater Model
- Establishing Groundwater Protection Zones in Guam
- Guam Climate Projection: Sea Level, Rainfall and Typhoons
- Open Discussion
2020
Session Agenda
Guam Part I
- Welcoming Remarks, Introductions
- WERI Overview
- WERI Services
- Guam CWMP
- Guam Hydrologic Survey
- GHS Website
- WERI Water Quality Lab Expansion
- Nitrates Baseline in the NGLA
- Business Model
- Aquifer Recharge
- 70 Years of Temperature, Rainfall, and Wind
- Surface Hydrology of the NGLA
- Roundtable Discussions
- AWWA Business Session
- Announcements
- Election of Officers
Guam Part II
- Welcoming Remarks, Introductions
- WERI Overview
- Groundwater Quality and Aquifer Protection
- Nitrate Analysis Update
- Potentially Impacted PFAS Sites
- Analysis of Patterns and Trends of Salinity
- Groundwater Protection Zones
- Aquifer Basin Analysis and Modeling
- Hydrological Features in Finegayan
- Model of Yigo-Tumon Basin
- Groundwater Discharge
- Stormwater Management Modeling
- Geotechnical Characteristics of Guam Soils
- Roundtable Discussions
- Closing
- Joseph D. Rouse Scholarship
- Closing Remarks
2019
Session Agenda
- Welcoming Remarks, Introductions
- WERI Overview
- Briefings on current and completed research activities:
- Aquifer Sustainable Yield
- Coastal Discharge Survey
- Lens Response to Recharge
- Modeling Yigo-Tumon Basin
- Nitrates Baseline in the NGLA
- Wastewater Treatment with Seawater
- PFOS in the NGLA
- GIS Analysis of Groundwater Salinity Patterns
- Fena Reservoir Sedimentation Hazard
- Santa Rita Spring Rehabilitation
- Guam Water Kids Outreach Program
- 2020 WERI Aquifer Tours and Workshops
- Roundtable Discussions: Current Guam water resources issues, critical water resource research, education and training
Guam Advisory Council Meetings
2023
- Tomhom Basin Phreatic Model, and GWA Master Plan Production Well Relocation (N.C. Habana)
- Nitrate-N Solute Transport Model of Swamp Road Area Development Plan (A. Bautista)
- MAppFx: Production Well Nitrate-N NGLA & Southern Guam Flow Duration Curves (D. Valerio)
- PFAS Contamination Status in the Hagatna Region (M. Duenas)
- Analysis of Historical Patterns and Trends of Salinity in the Northern Guam Lens Aquifer (H. Ko)
- The Year in Rainfall, ENSO, Next Year’s Forecast (W. Aydlett)
- Package Wastewater Treatment
- Groundwater Protection Zone
(N.C. Habana)
(A. Bautista)
(D. Valerio)
(M. Duenas)
(H. Ko)
(W. Aydlett)
CNMI Advisory Council Meetings
2023
Coming soon.
FSM Advisory Council Meetings
2023
Coming soon.
CNMI Advisory Council Meetings
- CNMI ACM 2023
FSM Advisory Council Meetings
- FSM ACM
Links are under construction.
Conferences, Symposiums, Summits, & Exchanges
2024
- UOG CNAS: 4th Annual STEM Conference: “Building Bridges, Breaking Barriers in STEM” | University of Guam, Mangilao, Guam | March 2024
- Exploring Deep Observation Wells in the Northern Guam Lens Aquifer: A STEM Investigation (M. C. Snaer)
- Analysis of Historical Patterns and Trends in the Northern Guam Lens Aquifer (H. Ko)
- Nitrate-N Solution Transport Model of Swamp Road Area Development Plan (A. Bautista)
- MAppFx: A Data Visualization Interface (D. K. Valerio)
- MAppFx: Demonstration (M. W. Zapata)
- Research Exchange with Feng Chia University | University of Guam, Mangilao, Guam | May 2024
- Exploring Deep Observation Wells in the Northern Guam Lens Aquifer (M. C. Snaer)
- Relationships between Changes in Withdrawal, Recharge, Sea Level, and Chloride Concentration within Nine Active Water Production Wells in the Yigo-Tumon Basin, Northern Guam Lens Aquifer: An Analysis of a 45-Year Multivariable Time Series (H. Ko)
- Nitrate-N Solute Transport Model of Swamp Road Area Development Plan (A. Bautista)
- Data Visualization with MAppFx ( D. K. Valerio, M. W. Zapata)
- Delineating Groundwater Protection Zones (E. Ardeo)
- Guam Forest System Plan Summit | Hyatt Regency Guam | June 2024
- UOG Inaugural Research Forum | School of Business and Public Administration, University of Guam, Mangilao, Guam | August 2024
- AWWA HIPS: Annual Water and Wastewater Conference: “Emerging Challenges for Pacific Island Water Producers” | Hyatt Regency Guam | September 2024
- MAppFx: CNMI Production Well Chloride & Nitrates (M. W. Zapata, D. K. Valerio, N.C. Habana)
- AWRA-UCOWR-NIWR 60th Anniversary Joint Water Resources Conference: “Celebrating the Past and Planning for the Future of Water” | Hyatt Regency St. Louis Arch | St. Louis, Missouri | October 2024
- The Dynamic Response of the Water Source in the Northern Guam Lens Aquifer to Climatic Events (M. C. Snaer)
- Nitrate-N Solute Transport Model of Swamp Road Area, Northern Guam Lens Aquifer (A. Bautista)
- NWGA: National Groundwater Week | Las Vegas, Nevada | December 2024
- The Dynamic Response of the Water Source in the Northern Guam Lens Aquifer to Climatic Events (M. C. Snaer)
- Chloride Trends in the Yigo-Tumon Basin, Northern Guam Lens Aquifer, 1973-2022: Natural and Anthropogenic Factors (H. Ko)
2023
- Research Exchange with Feng Chia University | University of Guam, Mangilao, Guam | April 2023
- UCOWR/NIWR: Annual Water Resources Conference | Colorado State University, Fort Collins, Colorado | June 2023
- Drilling Deep Observation Wells in Carbonate Island Karst: The Monitoring System Expansion and Rehabilitation Program, Guam (M. J. Z. Villareal, J. W. Jenson, K. K. Bautista)
- MAppFx: NGLA Production Well Nitrate Concentrations (D. K. Valerio, M. W. Zapata, N. C. Habana)
- NGSWCD: Educators Symposium: Un Hånom (One Water) | Guam Museum, Hågatna, Guam | August 2023
- NGLA Virtual Tour (N. C. Habana)
- MAppFx: NGLA Production Well Nitrates (D. K. Valerio)
- NGWA: National Groundwater Week | Las Vegas, Nevada | December 2023
- Nitrate-N Solute Transport Model of Swamp Road Area Development Plan (A. Bautista)
- Analysis of Historical Patterns and Trends in the Northern Guam Lens Aquifer (H. Ko)
- MAppFx: NGLA Production Well Nitrates (D. K. Valerio)
2021
- Northern Guam Soil & Water Conservation District: Educators Symposium | University of Guam, Mangilao, Guam | August 2021
- Guam Water Kids (K. K. Bautista)
- Northern Guam Lens Aquifer Virtual Tour (N. C. Habana)
Presentations
A compilation of slides highlighting WERI projects (N.C. Habana, 2024).