USGS Groundwater Information
U.S. Geological Survey
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Tuesday, April 2, 2002 |
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7:00 AM |
Registration |
8:00 AM |
Artificial Recharge Systems - Current Use, Challenges and Limitations(Chair - William Alley) |
Workshop introductory remarks (15 minutes) - Michael Shulters (District Chief, Sacramento, CA) |
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Goals of the workshop (15 minutes) - William Alley (Chief, Office of Groundwater, Reston, VA) |
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Keynote Presentation (30 minutes) - Recharge and Water Management in California - Jonas Minton (Deputy Director, California Department of Water Resources, Sacramento, CA) |
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Keynote Presentation (30 minutes) - Ronald Gastelum (President and CEO of Metropolitan Water District of Southern California, Los Angeles, CA) |
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9:30 AM |
Break |
10:00 AM |
Artificial Recharge Systems - Current Use, Challenges and Limitations (continued) |
Keynote Presentation (30 minutes) - Current use, challenges, and limitations of alternative recharge techniques: Indirect water reuse, and aquifer storage and recovery of stormwater - Fred Rapach (Policy/Program Coordinator, Palm Beach County Water Utilities Department, Palm Beach County, FL) |
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10:30 AM |
Flow-system analysis, geologic controls, hydraulics, and optimization (Chair - Rick Healy) |
A historical overview of the role of the USGS in flow-system analysis of artificial recharge projects (30 minutes) - Ed Weeks (USGS, Denver, CO) |
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The role of unsaturated flow in artificial recharge projects (30 minutes) - Alan Flint (USGS, Sacramento, CA) |
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11:30 AM |
Lunch |
1:00 PM |
Flow-system analysis, geologic controls, hydraulics, and optimization (continued) |
The role of saturated flow in artificial recharge projects (30 minutes) - Steven Phillips (USGS, Sacramento, CA) |
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Modeling tools available
for saturated and unsaturated flow-system analysis of artificial recharge
projects (30 minutes) |
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2:00 PM |
Organic geochemical interactions (Chair - Brian Bergamaschi) |
Introduction: Organic matter in ground water (30 minutes) - George Aiken (USGS, Boulder, CO) |
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Processes controlling attenuation of dissolved organic matter in the subsurface (30 minutes) - Jerry Leenheer (USGS, Denver, CO) |
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3:00 PM |
Break |
3:20 PM |
Organic geochemical interactions (continued) |
The fate of disinfectant byproducts in the subsurface (30 minutes) - Colleen Rostad (USGS, Denver, CO) |
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The role of organic matter in the evolution of ground-water geochemistry (30 minutes) - Isabelle Cozzarelli (USGS, Reston, VA) |
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Long-term fate of micropollutants in the subsurface (30 minutes) - Larry Barber (USGS, Denver, CO) |
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4:50 PM |
Panel Discussion on the 'Flow System Analysis Session' and the 'Organic Geochemical Interactions Session' (40 min) - Eric Reichard, Ed Weeks, and others |
5:30 PM |
End for the day |
Wednesday April 3, 2002 |
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8:00 AM |
Inorganic Geochemical interactions (Chair - Carl Goodwin) |
Geochemical approaches for artificial recharge projects (30 minutes) - David Parkhurst (USGS, Lakewood, CO) |
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Fate and transport of water-quality indicators in the central ground-water basin of Los Angeles County during 40 years of wastewater recharge (30 minutes) - Roy Schroeder (USGS, San Diego, CA) |
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Mobilization of arsenic and other trace elements during aquifer storage and recovery(30 minutes) - Jon Arthur (Florida Geological Survey, Tallahassee, FL) |
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9:30 AM |
Break |
9:45 AM |
Inorganic Geochemical interactions (continued) |
Using chemical and isotopic tracers to assess hydraulic connections between shallow and deep aquifers in areas intended for aquifer storage and recovery (30 minutes) - John Izbicki (USGS, San Diego, CA) |
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Scientific uncertainties regarding regional-scale feasibility of aquifer storage and recovery (ASR) (30 minutes) - Carl R. Goodwin (USGS, Tallahassee, FL) |
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Panel Discussion (40 min) - David Parkhurst, Jon Arthur, Carl Goodwin, and Brian Katz |
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11:25 AM |
Lunch |
1:00 PM |
Microbiology (Chair - Tom Byl) |
Clogging -- "Why do bacteria colonize aquifer surfaces? Geochemical and nutrient controls of bacterial colonization of grain or rock surfaces" (30 minutes) - Jennifer Roberts Rogers (University of Kansas, Lawrence, KS) |
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Fate & transport -- "Fate & transport of bacterial, viruses, and protozoan pathogens during ASR operations - What are the microorganisms that we need to worry about and why?" (30 minutes) - David Metge (USGS, Boulder, CO) |
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Pathogen detection -- "Who's who at the zoo - Identifying and counting the microbial 'bad guys' of ASR" (30 minutes) - Dale Griffin (USGS, St. Petersburg, FL) |
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2:30 PM |
Break |
2:45 PM |
Microbiology (continued) |
Microbial degradation of organics -- "Microbial strategies for degradation of organic contaminants in karst - How do they do it and what would change as a result of ASR operations?" (30 minutes) - Tom Byl (USGS, Nashville, TN) |
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Microbial transformations of metals and metalloids -- "Bacteria that mettle with metals: How do they affect mobility and toxicity of metals and metalloids and how might this be affected by ASR operations?" (30 minutes) - Ron Oremland (USGS, Menlo Park, CA) |
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Panel Discussion 4 to 5 members (40 min) |
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4:25 PM |
POSTER SESSION (Chair - Eve Kuniansky) |
6:30 PM |
End for the day |
Thursday, April 4, 2002 |
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8:30 AM |
Artificial recharge systems - Information needs to expand opportunities (Chair - William Alley) |
Keynote Presentation (30 minutes) - Carl Hauge (Chief Hydrogeologist, California Department of Water Resources, Sacramento, CA) |
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Keynote Presentation (30 minutes) - TBD |
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Keynote Presentation (30 minutes) - Planning for the Future of New York City's Water Supply System Using Artificial Recharge in the Coastal Plain Aquifers - Donald K. Cohen (Senior Hydrogeologist, Malcolm Pirnie, Inc., Jackson Heights, NY) |
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10:00 AM |
Break |
10:30 AM |
Artificial recharge systems - Information needs to expand opportunities (continued) |
Synthesis of workshop - Priority research needs {5-10 minutes synthesis resulting from each major session and discussion} (60 minutes)
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11:30 AM |
Closure - William Alley |
In George R. Aiken and Eve L. Kuniansky, editors, 2002, U.S. Geological Survey Artificial Recharge Workshop Proceedings, Sacramento, California, April 2-4, 2002: USGS Open-File Report 02-89
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