Classification of main source water type of drinking water plants
2 - Primarily groundwater and groundwater under the direct influence of surface water (GUDI)
'Primarily groundwater and groundwater under the direct influence of surface water' includes plants treating 90% or more groundwater (water found in underground aquifers which supplies wells and springs) or groundwater under the direct influence of surface water (GUDI: groundwater supply sources under conditions where microbial pathogens are able to travel from surface water to the groundwater source).
Code | Title |
---|---|
2.1Primarily groundwater | Primarily groundwater |
2.2Primarily groundwater under the direct influence of surface water (GUDI) | Primarily groundwater under the direct influence of surface water (GUDI) |
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