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<br />------------------- <br /> <br /> ordinary high water marks and protected by above the ordinary high water marks and <br /> measures to prevent erosion of those materials protected by measures to prevent erosion of those <br /> into waters of the United States materials into waters of the United States. <br />. Silt screens or other appropriate methods will Silt screens or other appropriate methods have <br /> be used in BC, AR, and pipeline crossings of been used in BC and the AR. No work on the <br /> the SJR to confine suspended particulates and San Juan River has been done during 2003. <br /> turbidity to areas where settling or removal can <br /> occur <br />. The DPP will be designed to allow for the free The Durango Pumping plant has been designed as <br /> unrestricted movement of groundwater on the much as practicable for the unrestricted <br /> site. Groundwater levels and quality will be movement of groundwater. Observation wells <br /> measured at a series of wells agreed upon by continue to be monitored on a quarterly basis. <br /> US Department of Energy (US DOE) and State All necessary discharge permits were obtained. <br /> of Colorado (Colorado). The Construction All water removed during dewatering operations <br /> contractor and lor Reclamation will secure a has been monitored for quality. Because of the <br /> discharge permit for the DPP from the quality of the water, no contingency plan was <br /> appropriate agency; regular monitoring of the required during 2003. <br /> water removed during the dewatering <br /> operations will be required. The contractor <br /> will be required to prepare and implement, if <br /> necessary, a contingency plan for treating the <br /> water removed during excavation in the event <br /> groundwater contamination levels exceed <br /> anticipated limits. <br />. Comply with applicable state water quality During 2003 all standards were complied with. <br /> standards under Section 313 of the Clean <br /> Water Act (CW A). Overall, the project is <br /> designed to comply with Sections 401, 402, <br /> 404 of CW A standards. <br /> <br />4 <br /> <br />c:::> <br />o <br />c:::i <br />00 <br />00 <br />w <br />