Understanding the connection between surface water and groundwater in the Santa Clarita Valley, and how Potential Groundwater Dependent Ecosystems were studied and identified.
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Wednesday, August 5, 2020
Potential Groundwater Dependent Ecosystem
Zoom in to explore our potential GDEs. Click on the colors to learn more about those areas.
The Connection Between Groundwater & Surface Water
A critical link exists between surface waters such as rivers, streams and lakes, and groundwater, which begins as precipitation and snowmelt in the mountains. Withdrawal of water from streams can deplete groundwater and pumping groundwater can deplete surface water sources. Effective water and land management depends on understanding this connection.
Tracking Groundwater Dependent Ecosystems
The Sustainable Groundwater Management Act requires that Groundwater Dependent Ecosystems (GDEs) be identified and considered in the development of groundwater sustainability plans. Under the law, agencies must assess whether sustainable management criteria, including minimum thresholds and measurable objectives, may cause harm to GDEs and monitor for impacts.