Groundwater recharge

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Groundwater recharge is a public trust resource protected under the Washington State Growth Management Act. The impacts of groundwater withdrawal was central to the Hirst Decision and Water Rights. Groundwater recharge is associated with Wetlands and is affected by local Geology. Shallow groundwater (as opposed to deep groundwater or aquifers) are what drive Stream Flow including the critical effects of Summer stream flows on Salmon and shallow groundwater recharge is a focus of the Stream Flow Restoration Program. Washington State Department of Ecology regulates water and groundwater resources.