Use and benefits of weirs for irrigation water supply, ecological stream restoration, and aquifer recharge

Author(s): Johnson, D.

Currently groundwater is the primary source of irrigation water supply in the Mississippi Delta, and aquifer levels are declining. In-stream weirs offer a relatively inexpensive means to increase surface water supply. Several factors which affect the cost of weirs will be examined. In addition, the potential benefits of weirs for stream restoration and aquifer recharge will be addressed. Finally, permitting issues will be briefly addressed.

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