Groundwater is a particular focus, including the Great Artesian Basin and subsidence associated with mining and petroleum extraction. Distributed Aquifer Recharge Enhancements in Arid Zones - Paper describes a modeling study to explore possible options for enhancing natural recharge. Downthedrain.org - Public information about preventing groundwater pollution from subsurface disposal of wastes. Simple explanations and lots of drawings and links.
Site provides information about the technique, case histories, etc.
Edwards Aquifer Research and Data Center - General information about groundwater and its protection, plus extensive description and current data on the Edwards Aquifer, a fragile karst aquifer that supplies San Antonio and surrounding areas of Texas. Groundwater - A thorough introduction to the topic of ground water and its management. The Groundwater Foundation - Dedicated to the education about and preservation of our most important natural resource. Groundwater in British Columbia - B.C. ministry of Environment, Lands and Parks. Site has general ground water information, water well data, information on groundwater consultants, and links.