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<br />were raised during the review of the McElmo Creek Unit Draft <br /> <br /> <br />EIS. Differences between EPA, SCS and the State of Colorado <br /> <br />o <br />(ft are being addressed. <br />tv <br />w;:,. EPA continues to work with Reclamation on the <br /> <br />Underground Injection Control (UIC) well requirements for the <br /> <br />Paradox Valley Salinity Control Unit. <br /> <br />EPA continues to <br /> <br />monitor the UIC permit and has determined that the as-built <br /> <br />well is adequate to meet the design criteria. <br /> <br />State Salinity Control Activities <br /> <br /> <br />Important components of the plan of implementation for <br /> <br /> <br />salinity control are the Basin states' activities associated <br /> <br />with the control of total dissolved solids through the NPDES <br />Permit program and the water qUality management plans. The <br /> <br />delegation authority for the permit program and a summary of <br /> <br />water quality management planning are presented in the 1987 <br /> <br />Review. Only those actions that have taken place since the <br /> <br />1987 Review will be identified. <br /> <br />All states with the <br /> <br />exception of Arizona have adopted the "1987 Review - Water <br /> <br />Quality Standards for Salinity - Colorado River System" and <br />most states have sent the Review to EPA for approval. A <br />complete listing of the NPDES permits issued within the <br />Colorado River Basin are presented in Appendix A. Those <br /> <br />permits on which action took place since the 1987 Review are <br />discussed in the following paragraphs, together with the <br /> <br />actions taken by the states since the 1987 Review. The Basin <br /> <br /> <br />states are in the process of developing Nonpoint Source <br /> <br />-20- <br />