Literature Survey of Methods to Control Salt Water Intrusion into the Floridan Aquifer
Renner, James F.
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Under contract to the Georgia Geologic Survey, Golder Associates Inc. performed a literature search to identify methods to control horizontal and vertical salt water intrusion into coastal water supply aquifers. Golder searched databases of scientific, engineering, environmental, social, and water management literature (Dialog), reviewed other reference sources [e.g. SaltNet bibliography and the references listed in Atkinson et al. (1986) and Bear et al. (1999)] searched the Internet for relevant websites, and conducted personal interviews via phone, email, and post. Approximately 5000 literature citations were retrieved that contain variants of the key words "salt water" and "aquifer" or "ground water." These citations were reviewed, cross-referenced with other bibliographic sources, and sorted to produce a list of more than 300 pertinent references, from which 168 titles were selected by the State Geologist for further review. Review of the citations and conversations with experts indicates that some combination of demand reduction, pumping management, and hydraulic barriers are the most commonly employed methods of salt water intrusion control and are most likely to be successful in coastal Georgia. Additionally, desalination is used in a variety of municipal and industrial applications and may be useful in certain situations in Brunswick or Hilton Head Island. Finally, aquifer storage and recovery is being employed in Florida, South Carolina, and other locations, and it should be considered as a potentially useful water supply management tool in coastal Georgia.