43 U.S.C. § 390g

The Secretary of the Interior (hereinafter referred to as the “Secretary”), acting through the Bureau of Reclamation (hereinafter referred to as the “Bureau”), shall, in two phases, conduct an investigation of and establish demonstration projects for groundwater recharge of aquifers in the States of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming (such States to be hereinafter referred to as the “High Plains States”) and in the other States referred to in section 391 of this title (hereinafter referred to as “other Reclamation Act States”), as provided by sections 390g to 390g–8 of this title: Provided , That funds made available pursuant to sections 390g to 390g–8 of this title shall not be used for the study or construction of groundwater recharge demonstration projects in the High Plains States and other Reclamation Act States which would utilize water originating in the drainage basin of the Great Lakes. The Bureau shall consult with the United States Geological Survey and other appropriate agencies and departments of the United States and of the High Plains States and other Reclamation Act States in order to carry out sections 390g to 390g–8 of this title.