Groundwater Recharge and Wells.R. David G. Pyne. Lewis, Boca Raton, 1995. Hardback; 376pp. ISBN 1-56670-097-3.
This book is largely based on the author's experience of artificial recharge, using wells, in the United States over the past twenty years. A civil engineer with consultants CH2MHILL, David Pyne has pioneered the concept of ‘Aquifer Storage Recovery’ (ASR). This is defined as ‘the storage of water in a suitable aquifer through a well during times when water is available, and recovery of the water from the same well during times when it is needed’. The key feature of ASR would appear to be the use of dual-purpose recharge/abstraction wells. However, it is debatable whether this justifies the use of the term ASR as opposed to the general definition of artificial recharge through wells and boreholes.
Notwithstanding this minor concern, the book is based on extensive American experience of artificial recharge of generally potable water at operational sites in a range of hydrogeological environments. It clearly guides the reader through the process of site selection, feasibility studies, field trials, well field design and operation and maintenance at existing facilities. The book explodes the myth that artificial recharge is limited to a small number of unique hydrogeological environments.
Over twenty ASR applications to meet water management needs are described. Seasonal and long-term storage of surplus treated water to meet peak demands or droughts respectively will be of special interest to British readers, particularly where this can lead to the deferment of significant capital expenditure