Sole source aquifer: An aquifer that supplies 50% or more of the drinking water of an area.
It authorizes EPA to set drinking water standards (including maximum contaminant levels), and provides special protection to sole source aquifers.
SSA- Sole Source Aquifer SSAC- Soil Site Assimilated Capacity SSC- State Superfund Contracts SSD- Standards Support Document SSEIS- Standard Support and Environmental Impact Statement;. Stationary Source Emissions and Inventory System.
See also: Air, Confined aquifer, Public water system, Spring, Contaminant
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