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REFERENCES Schafer, D.C. (2003). “The Use of Aquifer Testing and Groundwater Modeling to Evaluate Changes in Aquifer/River Hydraulics at the Louisville Water Company.” Program and Abstracts, Second International Riverbank Filtration Conference, G. Melin, ed., National Water Research Institute, Fountain Valley. Schubert, J. (2002). “Hydraulic aspects of riverbank filtration: Field studies.” Journal of Hydrology, 266 (3-4): 154-161. STEVE HUBBS is a Professional Engineer with 28 years of experience at the Louisville Water Company in Louisville, Kentucky. In the early 1980s, he began researching riverbank filtration as an alternate source of water for the Louisville Water Company, specifically looking at the reduction in disinfection byproduct precursors, river-borne organics, and mutagenicity in the riverbank-filtration process. His work continued in the 1990s with a focus on pathogen reduction, and his research is now being conducted on the hydraulic connection between the riverbed and the aquifer, with a focus on riverbed plugging dynamics and their influence on sustainable yields from high-capacity riverbank-filtration systems. Hubbs received an M.S. in Environmental Engineering from the University of Louisville, and is currently enrolled in the Ph.D. program in Civil and Environmental Engineering at the University of Louisville, focusing on the hydraulics of riverbank-filtration systems. 47
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2RBF The National Water Research In
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Published by the NATIONAL WATER RES
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Foreword In 1999, the National Wate
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vi 1:30 pm Session 3B: Hydraulic As
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viii 1:15 pm Session 8: Emerging Co
Page 14 and 15: Acronyms ADA ß-alaninediacetic aci
Page 16: Conference Abstracts
Page 19 and 20: 2 conventional treatment train on c
Page 21 and 22: 4 The Louisville Water Company also
Page 23 and 24: 6 Treatment Capital Cost Annual O&M
Page 25 and 26: 8 design engineers needed to addres
Page 27 and 28: 10 Ohio River Pump Station Collecto
Page 29 and 30: 12 Figure 4. Wet/dry tunnel concept
Page 31 and 32: 14 The turbidity of well water is t
Page 34 and 35: Session 2: Operations Construction
Page 36 and 37: Land Surface lengths of well screen
Page 38: Summary Well systems can be constru
Page 41 and 42: 24 Traditionally, ASR has been used
Page 43 and 44: 26 plans for a pilot-scale bank-fil
Page 46 and 47: Session 2: Operations Evolution fro
Page 48 and 49: Today, Cedar Rapids obtains all of
Page 50: REFERENCES AND ACKNOWLEDGEMENTS The
Page 53 and 54: 36 source of most nitrate detected
Page 55 and 56: 38 Hallberg, G.R., D.G. Riley, J.R.
Page 57 and 58: 40 Two 10-MGD capacity pumps were i
Page 60 and 61: Session 3: Hydraulic Aspects Pluggi
Page 62 and 63: iverbed scouring. This analysis sho
Page 66 and 67: Session 3: Hydraulic Aspects Applic
Page 68 and 69: Methodology Transects generally rea
Page 70 and 71: Figure 3. Percentage of treated was
Page 72 and 73: similar in the lake and Wells 3 and
Page 74 and 75: Session 4: Siting Siting and Testin
Page 76 and 77: • Potential for hydraulic testing
Page 78: testing, and a short constant rate
Page 81 and 82: 64 Water-quality management could i
Page 83 and 84: 66 Table 1. Effect of Control Measu
Page 85 and 86: 68 Luckner, L., and W. Nestler (198
Page 87 and 88: 70 as described by Dillon and Liget
Page 89 and 90: 72 In Equation 1, the fraction of r
Page 91 and 92: 74 When the hydraulic conductivity
Page 93 and 94: 76 two-dimensional, finite element-
Page 95 and 96: 78 REFERENCES Barry, D.A., H. Promm
Page 98 and 99: Session 5: Dynamics The 100-Year Fl
Page 100 and 101: In Torgau, the water level of the E
Page 102: stable water supply for millions of
Page 105 and 106: 88 Protection Zones II IIIa IIIb Lo
Page 107 and 108: 90 REFERENCES Irmscher, R., and I.
Page 109 and 110: 92 The City of Guelph’s supply sy
Page 111 and 112: 94 resulting numerical dispersion o
Page 113 and 114: 96 As an alternative to PHREEQC for
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98 Mathematician EKKEHARD HOLZBECHE
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100 Figure 1. Schematic overview an
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102 Figure 4. Courses of oxygen, ni
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104 Conclusions Biologically mediat
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106 Geohydraulic Characteristics Gr
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108 Problems At several sites (e.g.
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110 Water chemist and treatment eng
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112 and other material in the finis
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114
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116
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118 necessitated because of the afo
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120 Microsphere Removal (log 10 ) 5
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122 REFERENCES Box, G.E., and G.C.
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124 In the above context, research
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126 Table 1. Results from 1999 to 2
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128 Ray, C., G. Melin, and R.B. Lin
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130 Objectives The overall study ob
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132 The contribution of river water
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134 Louisville, Kentucky. Aerobic s
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136 REFERENCES Ballester, N.A., and
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138 experiments. Most of the hydrop
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140 contradiction to the results of
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142
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144 Well 1C is located at the top o
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146 Absorbance (cm -1 ) 0.30 0.25 0
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148
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150 classification. Where bin class
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152 Acknowledgements The authors wo
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154
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156 recharges surface water from th
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158 Acknowledgments Deutsche Forsch
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160 identified by isolating three b
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162
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164 Site Description There are 40 a
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166 Hydrologist JASON VOGEL has bee
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168 supply option when these condit
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170 EXPLANATION Dune Sand NOT TO SC
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172 LEO GENTILE is Senior Hydrogeol
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174 RICHARD BROWN, an Environmental
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176 Wilson et al., 1996; USEPA, 200
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178 Water-quality monitoring during
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180 BILL GOLLNITZ is a Supervisor o
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182 Figure 1. Location of the Dyje
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184 As a result of improvements in
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186 PETR HLAVÍNEK has 20 years exp
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188 the river. This allowed water-s
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190 Microscopic Particulate Analysi
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192
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194 During the field investigation
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196
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198 Site Description The study area
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200 The nitrate content and δ 15 N
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202 Figure 5. Nitrate isotopic comp
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204 Methodology Experimental Sites
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206 REFERENCES Hahn, M.W., and M.G.
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208 a network and linked to a colle
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210 6045 5045 4045 3045 2045 1045 4
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212 Cummulative Distribution 100% 9
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214
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216 forums concerning Endangered Sp
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