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Aquifer storage and recovery (ASR) is the direct injection of surface water supplies such as potable water, reclaimed water (i.e. rainwater), or river water into an aquifer for later recovery and use. The injection and extraction is often done by means of a well.
The aquifer shares a name with the local river, the Willamette River, originating from a Clackamas Chinook word. The "mette" of Willamette was used by the Clackamas to mean water or river. [2] The Willamette valley is home to 70% of Oregon's population, with the aquifer supplying water for agricultural, domestic, and industrial purposes.
The specific storage is the amount of water that a portion of an aquifer releases from storage, per unit mass or volume of the aquifer, per unit change in hydraulic head, while remaining fully saturated. Mass specific storage is the mass of water that an aquifer releases from storage, per mass of aquifer, per unit decline in hydraulic head:
The two water supply options being considered assume aggressive conservation targets for homes and businesses, wastewater reuse, and aquifer storage and recovery. These options are: [20] [22] A 40-foot (12 m) dam raise at Henry Hagg Lake with a raw water pipeline pumpback.
Aquifers of the United States Withdrawal rates from the Ogallala Aquifer.. This is a list of some aquifers in the United States.. Map of major US aquifers by rock type. An aquifer is a geologic formation, a group of formations, or a part of a formation that contains sufficient saturated permeable material to yield significant quantities of water to groundwater wells and springs.
“You need to absolutely ban the sequestration and storage of carbon on the Mahomet Aquifer.” It’s a sole source aquifer providing drinking water to nearly one million people in Central Illinois.
There are regulatory storage-type aquifer recovery and storage systems which when water is injected into it gives the right to withdraw the water later on. [2] Groundwater banking has been implemented into semi-arid and arid southwestern United States because this is where there is the most need for extra water. [2]
For other aquifers, like the sand-based Upper Trinity Aquifer, it takes time for the rainfall to actually get down into it, so you would need much more consistent rain.