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Landfill: Difference between revisions
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=== Groundwater and Hydrogeology === | === Groundwater and Hydrogeology === | ||
The underlying geology and hydrogeology of a landfill is especially significant if there is an '''aquifer''' that is relied upon for drinking water or other extraction purposes. One definition of aquifer is from Freeze and Cherry (1979): “''An aquifer is best described as a saturated permeable geologic unit that can transmit significant quantities of | The underlying geology and hydrogeology of a landfill is especially significant if there is an '''aquifer''' that is relied upon for drinking water or other extraction purposes. One definition of aquifer is from Freeze and Cherry (1979): “''An aquifer is best described as a saturated permeable geologic unit that can transmit significant quantities of water under ordinary hydraulic gradients''”. | ||
In England and Wales, the [[EA]] categorize aquifers to be consistent with the [[Water Framework Directive]]. The categories are Principal Aquifer, Secondary Aquifer and Unproductive Strata. Previously the phrases major aquifer and minor aquifer were utilized. Similar arrangements exist in Scotland and are supervised by [[SEPA]]. In locating landfills, consideration is given to aquifers in terms of their Source Protection Zoning (see below). | In England and Wales, the [[EA]] categorize aquifers to be consistent with the [[Water Framework Directive]]. The categories are Principal Aquifer, Secondary Aquifer and Unproductive Strata. Previously the phrases major aquifer and minor aquifer were utilized. Similar arrangements exist in Scotland and are supervised by [[SEPA]]. In locating landfills, consideration is given to aquifers in terms of their Source Protection Zoning (see below). | ||