Gregg Jones, Southwest Florida Water Management District
 Gregg Jones has been with the Southwest Florida Water Management District since 1986, first as manager of the Water Quality Monitoring
Program and later as director of the Resource Conservation and Development Department. The main function of this department is water supply development,
minimum flows and levels establishment, and resource assessment.
 Mr. Jones has a B.S. in geology from Florida Atlantic University, an M.S. in geology from the University of South Florida, and is currently working
on his Ph.D. in geology at the University of South Florida.


Eberhard Roeder, Florida Department of Health
 Eberhard Roeder recently took a position as Environmental Health Program Consultant with the Bureau of Onsite Sewage Programs in the Florida
Department of Health after holding postdoctoral positions related to groundwater modeling and hydrogeology in Finland, South Carolina and Florida. His
research interests are in the area of subsurface transport processes, now with particular emphasis on septic tanks. He received a Diplom in Civil Engineering
from the Technical University of Braunschweig (Germany) and graduated in 1998 with a Ph.D. in Environmental Systems Engineering from Clemson
University.

Catherine J. "Cat" Shrier, Golder Associates, Inc.
 Catherine J. "Cat" Shrier is a Senior Water Resources Engineer with Golder Associates, Inc. in Denver Colorado. Her professional experience
primarily involves conjunctive management of water resources and water policy. She completed a nationwide survey and analysis of ASR practice and
regulations for the American Water Works Association in 2001, and began the North Carolina Division of Water Resources review of regulations pertaining to
that states first ASR project in 1998. Dr. Shrier holds a Ph.D. in Civil Engineering (Colorado State University), masters degree in Environmental Sciences and
Engineering (UNC-Chapel Hill), and bachelors degrees in Government (Dartmouth) and Geology (NCSU).

Michael Sukop, Florida International University
 Michael Sukop, Ph.D., R.G., C.Hg., is a professor in the Department of Earth Sciences at Florida International University. His current research is
focused on applications of lattice Boltzmann modeling in hydrogeology -particularly karst, solute transport, and density-driven flows. He teaches field
methods in hydrogeology and ground water, solute transport, and lattice Boltzmann modeling. Dr. Sukop worked in traditional ground water modeling for 8
years as a hydrogeologist with CH2M Hill in Redding, California. He has extensive experience including: injection well solute transport and related aquifer
chemical reactions; large-scale planning, field testing, and solute transport modeling associated with Arizona's largest recharge project; large water
reclamation and water resources projects in California, Oregon, and Nevada; and numerous Superfund, Department of Defense, and private soil and ground
water contamination sites.



 POSTER PAPER ABSTRACTS


 EFFECTS ON FLORIDAN AQUIFER WATER QUALITY IN EAST-CENTRAL FLORIDA FROM LONG-TERM
 STORMWATER RECHARGE THROUGH WELLS A PROGRESS REPORT

Alan W. Aikens, CH2M Hill, 225 E. Robinson St., STE 505, Orlando, FL 32803

Management of stormwater through recharge wells is a practice in the Orlando, Florida area that has been employed and effective since the early 1900's.
Nearly 500 recharge wells were recently inventoried in Central Florida. The wells divert an estimated average of 30 to 50 million gallons per day of
stormwater to the Upper Floridan aquifer. The wells are of two types: direct urban runoff wells and lake-level control wells. The St. Johns River Water
Management District is sponsoring a program, with local cooperators, to quantify changes to chemical and microbial quality of groundwater resulting from this
practice. This is applicable to proposed aquifer storage and recovery (ASR) applications of surface water in the Floridan aquifer in that these recharge systems
have been in place and operating in the Orlando area for 50 to 100 years. Monitoring these systems will provide valuable insight to the potential success of
applying ASR to surface water management techniques.

The on-going project is at two sites, one for each type of recharge well system: Festival Park in Orlando -direct urban runoff, and Lake Orienta in Altamonte
Springs -lake-level control. The project has six phases: dry-period characterization (corresponding with a prolonged drought during the late 1990's), baseline
characterization, groundwater tracer test, operational characterization, enhanced treatment evaluation and possible implementation, enhanced treatment
effectiveness evaluation. Water flowing into the recharge wells and groundwater from monitoring wells is sampled for an extensive list of inorganic and
organic chemical parameters and selected microbes (bacteria, protozoa, and a virus).

This paper presents a progress report of the current results of the program.
To date, completed activities at Festival Park are the groundwater tracer test, baseline sampling, and four of the six operational characterization samplings.
Results for Festival Park indicate connection between a recharge well and two monitoring wells indicate rapid groundwater transport between these wells,
indicate 3 to 4 orders-of-magnitude reduction of coliform concentrations from the recharge well to the monitoring wells. This reduction occurs over distance
of 250 to 450 feet and a duration as short as two weeks. Very few detections of organic chemicals with no concentration greater than Maximum Contaminant
Levels were encountered. The inorganic chemical data indicate a shift in the character of the groundwater from the stormwater recharge. The potential for
mobilizing arsenic and other trace elements from the aquifer matrix is present. Site activities at Lake Orienta began January 2004 with the installation of the
four monitoring wells. Baseline sampling and a groundwater tracer test are scheduled for the summer of 2004. Operational characterization sampling is
scheduled from fall 2004 through spring 2005.