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EF/SDWIS logo Column Name: GRND_WTR_UDI_PURCH



Description: The ratio of the volume of ground water under the direct influence of surface water that is purchased from another water system to the volume that the water system utilizes.

Envirofacts Table Name: SDW_WATER_SYSTEM

Data Source:

Properties:

Definition Source: Office of Ground Water and Drinking Water SDWIS/Federal Development Model dated 3/5/1997



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