Recharge mechanisms and the urban water balance -- Urban-enhanced groundwater recharge: review and case study of Austin, Texas, USA / B. Garcia-Fresca -- Flow and solute transport monitoring at an urban lysimeter at Union Brewery, Ljubljana, Slovenia / B. Trcek and A. Juren -- Urban infrastructure and its impact on groundwater contamination / S. Burn [and others] -- Urban groundwater problems in Cork City, Southeast Ireland / A. Allen -- Sewer exfiltration -- Impact on urban groundwater by wastewater infiltration into soils / U. Mohrlok, C. Cata and M. Bucker-Gittel -- Direct measurements of exfiltration in a sewer test site in a medium-sized city in south-west Germany / I. Held [and others] -- Upscaling of laboratory results on sewer leakage and the associated uncertainty / L Wolf and H. Hotzl -- Assessment of contaminant impacts -- Groundwater flow velocities indicated by anthropogenic contaminants in urban sandstone aquifers / R.G. Taylor, A.A. Cronin, J. Rueedi -- Development of a GIS model for assessing groundwater pollution from small scale petrol spills / A. Thomas, J. Tellam -- Assessment of groundwater contaminant vulnerability in an urban watershed in southeast Michigan, USA / D.T. Rogers, K.S. Murray, M.M. Kaufman -- Xenobiotics in urban water systems-investigation and estimation of chemical fluxes / F. Reinstorf [and others] -- Urban recharge management -- Conjunctive use of urban surface water and groundwater for improved urban water security / P. Dillon, S. Toze, P. Pavelic -- Stormwater infiltration technologies for augmenting groundwater recharge in urban areas / K. Howard [and others] -- Aspects of urban groundwater management and use in India / S.D. Limaye -- Urban aquifer management -- Evaluating groundwater allocation alternatives in an urban setting using a geographic information system data model and economic valuation techniques / S.A. Pierce, J.M. Sharp, Jr., B. Garcia-Fresca -- Can urban groundwater problems be transformed into new water resources? / E. van Griensven [and others] -- Hydraulic interactions between aquifers in the Viterbo area (Central Italy) / A. Baiocchi [and others] -- Alarming rise in the ground water level in Jodhpur City: an example of groundwater interaction with the surface water in the Thar desert of Western India / B.S. Paliwal, A. Baghela -- Groundwater modelling to evaluate the risk of aquifer depletion due to a construction site in an urban area in Basel, Switzerland / C. Miracapillo -- Urban groundwater resources: a case study of Porto City in north-west Portugal / M.J. Afonso [and others] -- Water resources management in Taiz, Yemen: a comprehensive overview / E.S.A. El Sharabi.