Aquifer Storage and Recovery
Encyclopedia
Aquifer storage and recovery (ASR) is the re-injection of potable water back into an aquifer
for later recovery and use. ASR has been done for municipal, industry and agriculture use. The first agriculture ASR wells were put into service in Oregon
in the autumn of 2006 and have injected well over a 3000 acre.ft of water during the winter and spring flood flow times using artificial recharge (AR) of flood water as their water source. This shallow recharged water is then recovered as potable water and injected into the deep basalt aquifer. During the injection process electrical energy can be generated by the head pressure of the water flowing back into the aquifer. This stored water is recovered during late summer and early autumn for irrigation needs. Both of these wells use a down hole control valve built by 3R Valve of Echo, Oregon. ASR can also be used to re-inject water used by HVAC
systems to maintain the ground water levels and store the thermal differances from summer time cooling for winter time heating. Industary can also capture cold winter waters and store it for summer time use and avoid the need for cooling water in the summer for indrustral processes. This may also free up short supplies of summer time water for other benafitical uses. This reinjection process may also avoid the cost of surface disposal and avoid the increased thermal load to the rivers and streams during the summer air conditioning season.
Aquifer
An aquifer is a wet underground layer of water-bearing permeable rock or unconsolidated materials from which groundwater can be usefully extracted using a water well. The study of water flow in aquifers and the characterization of aquifers is called hydrogeology...
for later recovery and use. ASR has been done for municipal, industry and agriculture use. The first agriculture ASR wells were put into service in Oregon
Oregon
Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...
in the autumn of 2006 and have injected well over a 3000 acre.ft of water during the winter and spring flood flow times using artificial recharge (AR) of flood water as their water source. This shallow recharged water is then recovered as potable water and injected into the deep basalt aquifer. During the injection process electrical energy can be generated by the head pressure of the water flowing back into the aquifer. This stored water is recovered during late summer and early autumn for irrigation needs. Both of these wells use a down hole control valve built by 3R Valve of Echo, Oregon. ASR can also be used to re-inject water used by HVAC
HVAC
HVAC refers to technology of indoor or automotive environmental comfort. HVAC system design is a major subdiscipline of mechanical engineering, based on the principles of thermodynamics, fluid mechanics, and heat transfer...
systems to maintain the ground water levels and store the thermal differances from summer time cooling for winter time heating. Industary can also capture cold winter waters and store it for summer time use and avoid the need for cooling water in the summer for indrustral processes. This may also free up short supplies of summer time water for other benafitical uses. This reinjection process may also avoid the cost of surface disposal and avoid the increased thermal load to the rivers and streams during the summer air conditioning season.