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Michael Cunningham <br />November 24, 2015 <br />Page 3 <br />12. Based on available data, the extraction excavation will not expose tributary groundwater. <br />13. The sole purpose of the borrow quarry is to create concrete aggregate for the onsite Gross Dam <br />Raise project. No compensation will be received by Denver Water in relationship to the <br />development of the borrow quarry. <br />14. The entire project, including the borrow quarry will be regulated through two federal actions, <br />the U.S. Army Corps of Engineers (Corps) 404 permit process and the FERC License Amendment <br />process. The Corps' Final Environmental Impact Statement (FEIS) was released in April, 2014, <br />and details proposed practices and techniques to restore the site after completion of the <br />project. The practices and techniques presented as reclamation options include regrading, <br />revegetation, rock sculpting, and rock staining for exposed areas above the high water line. The <br />FERC License Amendment will also govern how the quarry area is reclaimed and restored. <br />a. The FEIS can be found at: <br />http://www.nwo.usace.army.mil/Missions/RegulatoryProgram/Colorado/EISMoffat.aspx <br />b. The Draft FERC License Amendment can be found at: <br />http://www.denverwater.org/docs/assets/A35 EC2AA-DB3 B-34AB- <br />14E46EBA132C6324/draft ferc hydro license applicationl.pdf <br />15. As discussed, Denver Water is in the process of obtaining permits from the Corps and the FERC <br />for the proposed activities. <br />16. The City of Arvada is participating in the funding of this project. Denver Water is providing or <br />managing the planning, design, and construction of the project. <br />17. Post construction land use activities will change as the area will be inundated by the new <br />reservoir. The new land use activities will be authorized through the federal actions described in <br />item 14. <br />18. Equipment used to extract and process the borrow quarry material include hydraulic rock drills, <br />pneumatic rock drills, compressors, excavators, dozers, loaders, off highway haul trucks, water <br />trucks, primary crushers, secondary crushers, screens, washers, and conveyors. <br />Based on our understanding of the rules and regulations, our planned activities are exempt and do not <br />require a Mined Land Reclamation Permit based on the fact that all material extracted from the site will <br />be used onsite for the construction of the dam raise, no material will be exported from the site, and the <br />reservoir borrow quarry will be located within the new reservoir inundation area, thus requiring minimal <br />to no reclamation. Denver Water appreciates the Divisions willingness to discuss the project and <br />provide a determination as to our planned activities. Please contact me at 720-979-9579, or <br />jeff.martin@denverwater.org, with any questions or comments. <br />Sincere j,✓l .?'/ <br />/ 7/ <br />Jeff a •.E. <br />G ss Reservoir Expansion - Project Manager <br />Denver Water Department <br />