An international Conference on Artificial Groundwater Recharge was held at the University of Reading, Whiteknights Park, Reading, Berkshire, England, sponsored by the Water Research Association, Medmenham, Marlow, Buckinghamshire. One hundred sixty-one delegates, representing 20 countries, registered. Five excellent tours were made available for them, to such installations as: the Hydraulics Research Station and Institute of Hydrology, Weilingford, Berkshire; the Metropolitan Water Board, Ashford Common Works, Sunbury-on-Thames; the Water Pollution Research Laboratory, Stevenage; and the Water Research Association, Medmenham, and Water Resources Board, Reading, Berkshire.