Georgia Water Resources Institute

GWRC 1993

1993 Georgia Water Resources Conference

TABLE OF CONTENTS

LUNCHEON SPEAKERS
Moderator: David , Georgia DNR, Environmental Protection Division

Water Related Actions of the Georgia General Assembly
James E. Kundell, Vinson Institute of Government, Univ. of Georgia

The Future Role of Hydrometeorological Prediction in Water Management Decision Making
Michael D. Hudlow, Office of Hydrology, National Weather Service

PLENARY SESSION: Comprehensive Study of the A.C.F. and A.C.T. River Basins
Moderator: David , Georgia DNR, Environmental Protection Division
Panelists: Janet Starnes, Northwest Florida Water Management District; Bob Grasser,
Alabama Dept. of Economic and Community Affairs; Nolton Johnson, Georgia DNR,
Environmental Protection Division; and Keith Graham, U.S. Army Corps of Engineers,
Mobile District

TRACK I. APALACHICOLA-CHATTAHOOCHEE-FLINT RIVER BASINS

CONFLICT RESOLUTION IN WATER RESOURCES MANAGEMENT
Moderator: Keith Graham, U.S. Army Corps of Engineers, Mobile District
Sponsored by: U.S. Army Corps of Engineers, Mobile District

Collaborative Decision Making and Conflict Resolution for the Alabama-Coosa-Tallapoosa and Apalachicola-Chattahoochee-Flint River Basins
Louise E. Smart, Senior Program Manager, CDR Associates

Managing Conflict in Water Resources Management: T.V.A.'s Lake Improvement Plan
Chris D. Ungate, Tennessee Valley Authority, Water Management

Participation by Environmental N.G.O.s in Management Decisions in the Apalachicola-Chattahoochee-Flint Basin
Steve Leitman, Florida Defenders of the Environment; Sally Bethea, The Georgia
Conservancy; and Carolyn Carr, Alabama Chapter of the Sierra Club

PANEL DISCUSSION: Citizen Group Perspectives on the Comprehensive Study for the Apalachicola-Chattahoochee-Flint and the Alabama-Coosa-Tallapoosa River Basins
Moderator: Steve Leitman, Florida Defenders of the Environment
Panelists: Sally Bethea, The Georgia Conservancy; Fred Anderson, Lake Lanier Property
Owners= Association; William Segars, Cooperative Extension Service, Univ. of Georgia;
Sandy Vandagriff, Tri-Rivers Waterway Development Assoc.; Patricia Stevens, Atlanta
Regional Commission; and David Miller, Alabama Power

PANEL DISCUSSION: Reservoir Management: Optimization vs. Simulation
in the Context of the Comprehensive Study
Moderator: Philip Karr, Cobb County-Marietta Water Authority.
Sponsored by: Georgia Institute of Technology

Allatoona Dam and Lake: A Perspective on History and Water Supply Usage
Edmund B. Burkett, U.S. Army Corps of Engineers, Mobile District

Analysis of the Operation of Lakes Lanier and Allatoona Using Optimization.
Aris Georgakakos, School of Civil Engineering, Georgia Institute of Technology

Analysis of the Operation of Lakes Lanier and Allatoona Using Simulation
George McMahon, Camp, Dresser and McKee, Inc.

NATIONAL WATER QUALITY ASSESSMENT PROGRAM FOR ACF
Moderator: Dave Wangsness, U.S. Geological Survey
Sponsored by: U.S. Geological Survey, Georgia District

National Water Quality Assessment Program: Overview of the Apalachicola- Chattahoochee-Flint River Basin
David J. Wangsness, U.S. Geological Survey

National Water Quality Assessment Program: Environmental Setting of the Apalachicola-Chattahoochee-Flint River Basin
Carol A. Couch, U.S. Geological Survey

National Water Quality Assessment Program: Analysis of Available Information on Pesticides for the Apalachicola-Chattahoochee-Flint River BasinSusan M. Stell, U.S. Geological Survey

National Water Quality Assessment Program: A Preliminary Evaluation of 1990 Nutrient Loads for the Apalachicola-Chattahoochee-Flint River BasinElizabeth A. Frick, Susan M. Stell, and Gary R. Buell, U.S. Geological Survey

WATER USES IN ACF BASIN
The Effects of Drought and Reallocation on Water Resources Planning for the Chattahoochee River Basin
Michele Masucci, Dept. of Geography, Auburn University

Water Resources of the Atlanta Region
Patricia A. Stevens, Atlanta Regional Commission

Water Use in the Apalachicola-Chattahoochee-Flint River Basin, 1990
Richard L. Marella, U.S. Geological Survey, Florida District

Interactive Display and Query of Near Real-time Data from a Hydrologic Alert Network
Timothy Libermann, Janet Ciegler, and Susan Lambert, U.S. Geological Survey

STREAMFLOWS IN ACF BASIN
Sponsored by: U.S. Geological Survey

Some Hydrologic Effects of Climate Change for the Apalachicola, Chattahoochee, and Flint River Basins
Gary D. Tasker, U.S. Geological Survey

Measuring Hydrologic Droughts in the Apalachicola-Chattahoochee-Flint River Basin
Zhi-Yong Yin, Dept. of Geography, Georgia State University

A Natural Hazards Approach to Drought Assessment and Planning in the Chattahoochee River Basin
Richard W. Perritt, Dept. of Geography, Auburn University

Effects of Irrigation Withdrawals in the Dougherty Plain on Base-flow in the Apalachicola River
Steve Leitman, Florida Defenders of the Environment; Andrew Dzurik, College
of Engineering, Florida State Univ.; Steve Ovenden, Urban and Regional Planning,
Florida State Univ.; and Dara Wilber, independent consultant

TRACK II. GEORGIA LAKE MANAGEMENT SOCIETY

GLMS1: LAKE QUALITY STANDARDS FOR MULTIPLE USE
Moderator: Ron L. Raschke, U.S. Environmental Protection Agency, Region IV
Sponsored by: Georgia Lake Management Society

Water Quality Standards for Lakes: Legislative Background
Fritz Wagner, U.S. Environmental Protection Agency, Water Management Division

Approaches to Development of Water Quality Criteria and Standards for Lakes
Howard Marshall, U.S. Environmental Protection Agency, Region IV

Georgia Lake Standards: An Implementation Update
David Kamps, Georgia DNR, Environmental Protection Division

GLMS2: STATUS OF CLEAN LAKES STUDIES IN GEORGIA
Moderator: Howard Marshall, U.S. Environmental Protection Agency, Region IV
Sponsored by: Georgia Lake Management Society

Guideline for Assessing and Predicting Eutrophication Status of Small Southeastern Piedmont Impoundments
Ron L. Raschke, U.S. Environmental Protection Agency, Region IV, Athens

Update on Progress and Status of Clean Lake Studies
Howard Marshall, U.S. Environmental Protection Agency, Region IV, Athens

A Clean Lakes Phase I - Diagnostic/Feasibility Study of Lake Allatoona: A Preliminary Report
Joseph M. Dirnberger and Ralph J. Rascati, Dept. of Biology, and Huggins
Msimanga, Dept. of Chemistry, Kennesaw State College

Interim Report for Phase I Clean Lakes Study: Lake Blackshear
H.E. Cofer, Dept. of Geology (retired), William L. Tietjen and Patti Y. Williams,
Dept. of Biology, Georgia Southwestern College

Evaluation of Water Quality Management Alternatives for Lake Lanier Feasibility Study
Jackie Sellers, Institute of Natural Resources, Univ. of Georgia

GLMS3: LAKE WATER QUALITY
Moderator: Lewis Rogers, Gainesville College
Sponsored by: Georgia Lake Management Society

Adsorption and Sedimentation of Phosphorus by Clay Soils in Lake Lanier
Edmond Mayhew and Mary Mayhew, Dept. of Biology, Gainesville College

In Situ Respirometry for the Determination of Autotrophic and Heterotrphic Production in Southeastern Lakes
Karen G. Porter, James W. Porter, Patricia A. Saunders and Amanda K. Parker,
Institute of Ecology, Univ. of Georgia

A Case Study of Watershed Protection in Douglas County, Georgia
Peter J. Frost, Douglasville-Douglas County Water and Sewer Authority, Georgia

GLMS4: FISH TISSUE CONTAMINATION
Moderator: Jerry Stober, U.S. Environmental Protection Agency, Region IV
Sponsored by: Georgia Lake Management Society

Development of a Plan for Fish Tissue Monitoring and Issuance of Fish Consumption Advisories
Randy O. Manning, Georgia DNR, Environmental Protection Division

A Review of Past and Present Fish Consumption Advisories
Robert E. Reinert, School of Forest Resources, Univ. of Georgia, and Quentin
J. Stober, U.S. Environmental Protection Agency, Region IV, Athens

Risk Avoidance Through the Fish Contaminants Program
Quentin Stober, U.S. Environmental Protection Agency, Region IV, and C.R.
Houseknecht, U.S. EPA, Office of Water, Washington, D.C.

GEORGIA NON-POINT POLLUTION SOURCES AND PROGRAMS
Moderator: Dennis Hopper, Georgia Soil and Water Conservation Commission
Sponsored by: Georgia Soil and Water Conservation Commission

A Non-point Source Pollution Control Program for Agriculture in Georgia
F. Graham Liles, Georgia Soil and Water Conservation Commission

Urban Non-point Management and the New National Pollution Discharge Elimination System
Stephen Martin and David Perez, Georgia Soil and Water Conservation Commission

Non-point Source Pollution Measurements and Program Assessment
William I. Segars, Cooperative Extension Service, Univ. of Georgia

WATERSHED QUALITY
Moderator: Betty Barton, U.S. Environmental Protection Agency, Region IV

The Role and Design of Water Quality Monitoring on Forested Watersheds
Y. David Chen and Todd Rasmussen, School of Forest Resources, Univ. of Georgia

G.I.S. Modeling of NonPoint Source Pollution with Remotely Sensed Data
Roy Welch, Nivaldo Fernandes, and Thomas Jordan, Center for Remote Sensing
and Mapping Science, Dept. of Geography, Univ. of Georgia

Stream Rehabilitation in a Disturbed Industrial Watershed
Bruce K. Ferguson, School of Environmental Design, Univ. of Georgia, and
P. Rexford Gonnsen, Beall, Gonnsen and Co.

TRACK III. WATER USE AND GROUNDWATER

PANEL DISCUSSION: Lead and Copper in Drinking Water
Moderator: Peter Frost, Douglasville-Douglas County Water and Sewer Authority
and Chair, Georgia AWWA¡¯s Water Utility
Sponsored by: Georgia Section of American Water Works Association

Population Exposure to Lead and Copper
Henry Abadin, Agency for Toxic Substances and Disease Registry

Government Programs Addressing Lead and Copper in Potable Water Supplies
Nolton Johnson, Georgia DNR, Environmental Protection Division

The Lead and Copper Rule: A Utility¡¯s Perspective
Michael W. Patton, Douglasville-Douglas County Water and Sewer Authority

Relating Water Test Results to the Public
Susan Waters, Cobb County-Marietta Water Authority

WATER PRICING
Moderator: Ronald M. North, University of Georgia

Water Pricing in Georgia
Jeffrey Jordan and Abdelmoeim Elnagheeb, Dept. of Agricultural and Applied
Economics, Univ. of Georgia

Cost-Recovery Policies for Public Utilities
Rebecca P. Thomson, CH2M HILL

Revising U.S. State Water Allocation Laws
Stephen E. Draper, Hydrology Associates

PANEL DISCUSSION: The Why and How of Utility Water Conservation
Moderator: Jeffrey Jordan, Dept. of Agric. and Applied Economics., Univ. of Georgia
Sponsored by: Georgia Water Wise Council

Why Should Utilities Practice Water Conservation? Perspectives from Large Utilities
Philip Karr, Cobb County-Marietta Water Authority, and Dan Quill, Cobb County Water System

Why Should Utilities Practice Water Conservation? Perspectives from a Small Water Utility
Jeffrey L. Jordan, Dept. of Agric. and Applied Economics, Univ. of Georgia

How Should Utilities Practice Water Conservation? The Conservation Program of a Water Utility
Susan V. Waters, Cobb County Water System

How Should Utilities Practice Water Conservation? A Statewide Water Conservation Program
Fox McCarthy, Cobb County-Marietta Water Authority

WATER DEMANDS
Moderator: Robert Pierce, U.S. Geological Survey
Sponsored by: U.S. Geological Survey

Prediction of Spatial Yield and Water Use in Agriculture as a Function of Environmental Conditions
Gerrit Hoogenboom and D.D. Gresham, Dept. of Biol. and Agric. Engineering,UGA

Influence of Climate on Public-Supply System Water Use in Georgia
Julia Fanning, U.S. Geological Survey

Agricultural Irrigation Trends in Georgia
Anthony Tyson and Kerry Harrison, Cooperative Extension Service, Univ. of Georgia

GROUNDWATER TOPICS I
Moderator: Woody Hicks, U.S. Geological Survey
Sponsored by: The Georgia Groundwater Association

Hydrologic Characterization of a Superfund Site: Remedial Investigation Through
Remedial Action
Arthur O'Hayre, Michael Day and James Thomson, Applied Hydrology Associates, Inc.

Field vs. Laboratory Permeability Estimates
Todd C. Rasmussen, School of Forest Resources, Univ. of Georgia

Observed and Simulated Recharge to the Claiborne Aquifer at the Plains, Georgia Research Site
David Bosch, USDA-ARS Southeast Watershed Research Lab, and David Hicks,
U.S. Geological Survey

GROUNDWATER TOPICS II
Sponsored by: The Georgia Groundwater Association

Piedmont Geohydrology: Implications for Flow and Transport
John Dowd, David Wenner and Mirta Carpenter, Dept. of Geology, Univ. of Georgia

Estimating the Groundwater Resource of the Upper Oconee River Basin
William M. Fay, Samuel J. Bentley and M. Eugene Hartley, Exploration Resources, Inc.

Wellhead Protection Area Delineation in Fractured Bedrock Aquifer, Fayetteville, Georgia
Roland B. Hoag and James H. Vernon, HydroSource Associates, Inc.

The Characterization of a Layered Saprolite/Fractured Bedrock Aquifer
David Radzieta, EMCON Southeast

SOIL CONTAMINANTS
Determination of Soil Contaminant Transport Parameters Using Time Domain Reflectometry
David Radcliffe, Dept. of Agronomy, Univ. of Georgia; P.M. Tillotson, Dupont Agricultural
Products, Wilmington, Delaware; P.F. Hendrix and L.T. West, Dept. of Agronomy, Univ. of
Georgia; E.W. Tollner, Dept. of Biological and Agric. Engineering, Univ. of Georgia; and
J.E. Box, USDA-ARS, Southern Piedmont Conservation Research Center
Effect of Fly Ash and Gypsum on Dispersion, Hydraulic Conductivity, and Contaminant

Leaching in Soil Columns
J.C. Seaman, C.F. Ishak, W.P. Miller and P.M. Bertsch, Dept. of Agronomy, Univ. of Georgia

Chemical Transport and Transformation in Large Soil Cores
Matt C. Smith, G. Vellidis, and D.L. Thomas, Dept. of Biological and Agric. Engineering,
Univ. of Georgia; and R.L. Leonard, USDA-ARS Southeast Watershed Research Lab

Wastewater Lagoon Closure and Bioremediation of Hydrocarbon Contaminated Soil and Water
A.T. Zimmerman, ATEC Associates, Inc.

TRACK IV. STORMWATER AND WATER QUALITY

FINANCING FOR WATER RESOURCES PROJECTS
Moderator: John Cruce, U.S. Army Corps of Engineers, South Atlantic Division
Sponsored by: U.S. Army Corps of Engineers, South Atlantic Division

Cost-sharing and Project Financing
Lillian Almodovar and John W. Meyer, U.S. Army Corps of Engineers, South Atlantic Div

Clean Water Act Reauthorization: The States=Perspective
Roberta Haley Savage, Assoc. of State and Interstate Water Pollution Control Administrators

Developing Local Ordinances to Manage and Finance Stormwater Programs
Denise Schmidt, Atlanta Regional Commission

STORMWATER RUNOFF
Moderator: Tom Tkacs, Lowe Environmental Sciences, Inc.
Sponsored by: American Water Resources Association, Georgia Section

Industrial Stormwater Pollution Prevention Plans and Stormwater Monitoring Programs
David M. Ashley, Jordan, Jones and Goulding, Inc.

Stormwater Management in Macon
James Melvin Ewing, City of Macon

Open-celled Pavers: An Environmental Alternative to Traditional Paving Materials
David B. Nichols, School of Environmental Design, Univ. of Georgia

Implementing a Regional Urban Storm Water Monitoring Program
P. Michael Thomas, Atlanta Regional Commission

Storm Water Permitting in Georgia
Will Salter, Georgia DNR, Environmental Protection Division

WATER QUALITY, AGRICULTURE AND RURAL DEVELOPMENT
Moderator: William E. White, USDA Soil Conservation Service
Sponsored by: USDA Soil Conservation Service

Water Quality vs. Economic Stability: Conflict or Opportunity?
Hershel Read and James W. Ford, USDA Soil Conservation Service

Water Quality, Agriculture and Rural Development in North Georgia
F. Abit Massey, Georgia Poultry Federation

Dairy Ecosystem Management
Rhett H. Johnson, USDA Soil Conservation Service

SAVANNAH RIVER TOPICS
Moderator: Leroy Crosby, U.S. Army Corps of Engineers, Savannah District
Sponsored by: U.S. Army Corps of Engineers, Savannah District

Lower Savannah River Environmental Restoration Study
Monica Simon Dodd, U.S. Army Corps of Engineers, Savannah District

Long Term Management Strategy for Maintaining Savannah Harbor
Susan E. Durden, U.S. Army Corps of Engineers, Savannah District

Monitoring Radionuclides in Georgia Rivers Below Nuclear Facilities
Robert Rosson, Sunita Kamboj and Bernd Kahn, School of Mechanical Engineering,
Georgia Tech; and Clifford Blackman, Georgia Dept. of Natural Resources

PANEL DISCUSSION: Implementation of Georgia¡¯s Water Quality Standards for Toxics
Moderator: Carl Huber, Vice President, Jordan, Jones & Goulding, Inc., and Past
President, Water Environment Federation
Organizer: Jack Dozier, Georgia Water and Pollution Control Association, and
Don Allen, Jordan, Jones & Goulding, Inc.
Sponsored by: Georgia Water and Pollution Control Association, Water Pollution Control Section

Overview of National Issues and Pending Clean Water Legislation
Roberta Savage, Assoc. State and Interstate Water Pollution Control Administrators,
Washington, D.C., and America¡¯s Clean Water Foundation

Overview of State of Georgia's New Water Quality Rules
Alan Hallum, Georgia DNR, Environmental Protection Division

Approaches to Alternative Site-specific Limitations
Terry Sicherman, Jordan, Jones & Goulding, Inc.

Case Study for Municipality
Anne Westmoreland, City of LaGrange, Georgia

PANEL DISCUSSION: Relating to the Public with the Water Issues of the 90's:

A Simulated Society Exercise
Sponsored by: Georgia Water and Pollution Control Association
Panelists: Wayne Waldrip, Water Dept., City of Cartersvile, Georgia; Lynn Cobb, Georgia
Dept. of Community Affairs; and Connie Wiggins, Gwinnett County Clean & Beautiful

TRACK V. WATER SUPPLY AND REGIONAL PLANNING

GREENWAY AND RIVER CORRIDOR PROTECTION
Moderator: Al Ike, University of Georgia

Oconee Rivers Greenway: Critical Path Analysis as a Planning Tool
William Ramsey, Jr., and Terry DeMeo, School of Environmental Design, Univ. of Georgia

Conservation Easements: A Tool for Protecting Georgia¡¯s Rivers
Laurie Fowler, Georgia Environmental Policy Institute

Managing the Quality of Urban Streams in Georgia
Ted Mikalsen, Georgia DNR, Environmental Protection Division

WATER RESOURCES DEVELOPMENT AND ENDANGERED SPECIES
Moderator: Ron Larson, USFWS, Brunswick
Sponsored by: U.S. Fish and Wildlife Service

Georgia's Protected Fishes: The Need for Basin-wide Management
Byron J. Freeman, Institute of Ecology, Univ. of Georgia

Freshwater Mussels of the Chattahoochee and Flint Rivers
James D. Williams and Jayne Brim Box, U.S. Fish and Wildlife Service

The Status of Freshwater Mussels in some Georgia, South Carolina and North Carolina Waters
Eugene P. Keferl, Dept. of Natural Sciences and Mathematics, Brunswick College

Evaluating Impacts of Stream Flow Alteration on Warmwater Fishes
Mary C. Freeman and Johnie H. Crance, U.S. Fish and Wildlife Service

Adapting the E.P.A. Rapid Bioassessment Protocol for Use Attainability Study in the Cape Fear River
Philip Sacco, Thomas Simpson and Bill Kreutzberger, CH2M HILL

PANEL DISCUSSION: Public Education - Environmental Issues
Moderator: Mike Lotfi and Bruce Stout, SBL - Pyramid Environmental
Sponsored by: American Society of Civil Engineers, Georgia Chapter
Panelists: Beth Bowen, Morehouse School of Medicine; Mark Brock, Gwinnett County
Dept. of Public Utilities; Eldon Evans, Lowe Environmental Sciences, Inc.; Robert
Harvey, Jr., U.S. Environmental Engineering; and Peter Sullivan, SBL Group

WATER RESOURCES PLANNING

Environmental and Hydraulic Design Issues for the City of Dalton¡¯s Water Storage Reservoir
Jeff Beriswill and Steve Bach, Golder Associates, Inc.

Coupled Water Supply and Wastewater Disposal Management Issues
Kip Duchon, CH2M HILL

Resources Management Issues in Regional Wastewater Planning
Ken Hall and Kip Duchon, CH2M HILL

WATER RESOURCES PLANNING II
Moderator: Sally Bethea, The Georgia Conservancy

The Value of River Basin Management Planning for Georgia
Mike Wardrip, Water Issues Chair, Georgia Sierra Club

Georgia's River Basin Management Act
Pierre Howard, Lieutenant Governor, State of Georgia

Update on Growth Strategies and Water Resources Planning
James Frederick, Georgia Dept. of Community Affairs

Protect Georgia Coast with Coastal Zone Management Program
Becky Shortland, The Georgia Conservancy

WETLANDS POLICY AND LEGAL ISSUES
Moderator: Steffney Thompson, Athens
Sponsored by: University of Georgia

Status of Georgia Wetlands Policies and Programs
James E. Kundell, Vinson Institute of Government, Univ. of Georgia

Applying Environmental Ethics to the Wetlands Delineation Process
Leisha DeHart Davis, School of Public Policy, Georgia Institute of Technology

Practicable Alternatives Analysis Regarding Construction of Water Supply Reservoirs
Patrick J. Fetter, School of Law, Univ. of Georgia

The New Supreme Court Standard on Regulatory Takings: A Threat to Wetland Protection?
J. Owens Smith, Institute of Natural Resources, Univ. of Georgia

WETLANDS PLANNING

Wetlands Planning for the State of Georgia: A Watershed Demonstration Project
Christopher G. Canalos, Georgia Dept. of Natural Resources

Advance Identification of Wetlands in Georgia
Peter Kalla and Veronica Fasselt, U.S. Environmental Protection Agency, Region IV;
T. Allen Rigdon, USDA Soil Conservation Service; and Stephen Bowling, Kemron
Environmental Services

Soil Saturation Determination for Wetland Mitigation Monitoring Using A Rusty Rods@ - A Case Study
Dorothy M. Gibb and Gretchen C. Coffman, Law Environmental, Inc.

Assessing the Water Quality Impact of a Restored Riparian Wetland Forest
George Vellidis, Dept. of Biological and Agric. Engineering, Univ. of Georgia;
and Richard Lowrance, USDA-ARS Southeast Watershed Research Lab

POSTER AND EXHIBIT SESSION - 1993

POSTERS

Assessment of Possible Groundwater Contaminant Flow Paths in Two Upper Coastal Plain Hydrogeologic Settings
Samuel J. Bentley and William M. Fay, Exploration Resources, Inc.

Design of a Mine Dewatering System Which Minimizes Consumptive Use of a Major

Groundwater Resource
James F. Durrett and David A. Brackett, Golder Associates, Inc.; and J. Frank
Lazenby, J.M. Huber Corporation

Irrigation Well Site Selection Techniques for the Georgia Piedmont
H. Dan Harman, Garrett Consulting, Inc.

Sampling for Nitrate Concentrations in North Georgia¡¯s Ground Water
Sandra Robertson, Donald Shellenberger, Gina York, Matthew Clark, Richard
Eppihimer and Jerry Lineback, Georgia Geological Survey

Dissolution Kinetics of Toluene Pools in Saturated Porous Media
Moon-Full Yeh and Evangelos Voudrias, Georgia Institute of Technology

Significance of Vertical Hydraulic Gradient Measurements in Granular (Saprolite) Aquifers Overlying Fractured of Non-fractured Crystalline Bedrock
David Radzieta, EMCON

Estimating Nitrate Leaching and Soil Water Dynamics with LEACHM
A.D. Johnson, Dept. of Agronomy, M.L. Cabrera, Dept. of Crop and Soil Sciences
and Institute of Ecology, and W.L. Hargrove, D.B. McCracken and G.W. Harbers,
Dept. of Crop and Soil Sciences, Univ. of Georgia

Influence of Tillage and Cover Cropping on Nitrate Leaching
D.V. McCracken, W.L. Hargrove, M.L. Cabrera and G.W. Harbers Dept. of Agronomy,
Univ. of Georgia;, J.E. Box Jr., USDA-ARS Southern Piedmont Conservation Research Lab;
and A.D. Johnson, J.W. Johnson and P.L. Raymer, Dept. of Agronomy, Univ. of Georgia

COSSMO: A Combination of Crop Growth and Water Management Modeling System
Calvin Perry and Daniel Thomas, Dept. of Biol. and Agric. Engineering, Univ. of Georgia

Removal of Al-and Ca-Nitrilotriacetic Acid from Waters by Subsoils
Larry M. Shuman, Dept. of Agronomy, Univ. of Georgia

Georgia's Hazardous Site Response Program
Steven L. Woodall, Georgia DNR, Environmental Protection Division

Potential Hydroponic Application of an Organic N-Halamine Disinfectant
Elisabeth Elder and Jay Reid, Dept. of Biology, Georgia Southwestern College

Reuse of Water from Catfish Ponds
Suhas Ghate, Dept. of Biological and Agricultural Engineering, Gary Burtle, Dept. of
Animal and Dairy Science, and Gary Gascho, Dept. of Agronomy, Univ. of Georgia

Sedimentological Equilibrium of Marshes and Mudflats at Cumberland Island National Seashore, Georgia
Stephen Cofer-Shabica, National Park Service, and Lindsay Nakashima, Woodward-Clyde Consultants

The Georgia Automated Environmental Monitoring Network
Gerrit Hoogenboom, Dept. of Biological and Agric. Engineering, Univ. of Georgia

A Watershed Protection Project: The Savannah River
Meredith C. Anderson, U.S. Environmental Protection Agency, Region IV

The Alcovy River and Swamp Interpretive Center: An Application of Geographic Information Systems Technology in Site Analysis
Susan R. Crow, Institute of Community and Area Development, Univ. of Georgia

Non-regulatory Wetlands Protection Programs of U.S. EPA Region IV, Wetlands Planning Unit
Jennifer Derby, U.S. Environmental Protection Agency, Region IV

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GWRC 1993