Groundwater (Google eBook)
American Water Works Association, 2003 - Science - 207 pages
The third edition of Groundwater, AWWA Manual M21, is newly designed and fully updated to give operators, engineers, and other water supply professionals a comprehensive understanding of groundwater. The manual provides a basic understanding of groundwater characteristics - its movement, quality, and geology - and the impact these characteristics have on the design, construction, and maintenance of groundwater-well systems for water supply. Additionally, this manual will help water supply professionals answer many of the questions they have about complex aquifer systems, quality testing, pumps and pumping systems, contamination, and treatment.
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Page 7 - ... underlain by a zone in which all interconnected openings are full of water. This zone is referred to as the saturated zone. Water in the saturated zone is the only underground water that is available to supply wells and springs and is the only water to which the name ground water is correctly applied.
Page 10 - Where water completely fills an aquifer that is overlain by a confining bed, the water in the aquifer is said to be confined. Such aquifers are referred to as confined aquifers or as artesian aquifers. Wells open to unconfined aquifers are referred to as water-table wells. The water level in these wells indicates the position of the water table in the surrounding aquifer.