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Is Your Groundwater Under the Influence of Surface Water?
Author(s) -
Pontius Frederick W.
Publication year - 1994
Publication title -
opflow
Language(s) - English
Resource type - Journals
eISSN - 1551-8701
pISSN - 0149-8029
DOI - 10.1002/j.1551-8701.1994.tb01236.x
Subject(s) - groundwater , surface water , aquifer , environmental science , hydrology (agriculture) , water resource management , environmental engineering , geology , geotechnical engineering
Groundwater sources under direct influence of surface water must comply with the Surface Water Treatment Rule (SWTR). Groundwater sources that are not directly influenced by surface water are not subject to the rule. When is groundwater influenced by surface water, and when is it “directly” influenced? These are key questions for water suppliers that use groundwater from an aquifer that is recharged by a surface water source. This brief article clarifies “direct influence.”