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South Hinsdale Response to Objections 9 <br /> p 1 �Solj <br /> 12 July 2022 <br /> C). There is also at least some potential for water to flow from the northwest corner of <br /> the permit area into the river. <br /> d. There are extensive wetlands downstream on the various forks of the Piedra to its <br /> discharge into Navajo Lake. <br /> e. There are various ephemeral and frequently-changing flow paths and channels from <br /> the northeast corner of the affected area, which flow downhill to the north on to USFS <br /> lands outside the affected area. Not all of these are shown due to the complexity and <br /> changing nature. Both surface water management (BMP) and mining/sloping will be <br /> used, as Kleckner Lane is realigned, to prevent (as much as possible) any discharge <br /> of sediment or other potential contaminants with irrigation return flows and storm water <br /> which may have come in contact with mining activities (including exposed bare soil <br /> and any processing). As much as possible, BMP will be installed to also reduce <br /> sedimentation from both irrigation and the higher portion of Kleckner Lane and its bar <br /> ditches. This is intended to prevent any contamination of the river. Any surface runoff <br /> flow from construction of Kleckner Lane and stripping, excavation, grading and <br /> placement of soil and seeding will be (to the maximum extent possible) redirected to <br /> a sediment/infiltration/evaporation basin or swale, and not discharged into flow paths <br /> or channels leading into the river. <br /> f. Exhibit C, including Figure C.3 (Page 20) is the Surface water management plan) <br /> Irrigation return flows: All nearby areas receive irrigation return flows from irrigation of <br /> Dancing Winds and Kleckner Ranch lands.As much as possible, all return flows and storm <br /> water flow from outside the affected areas, both inside and outside the permit area, will be <br /> diverted and NOT allowed to flow across and into active affected mining areas (before <br /> reclamation is done. Rather, they will be allowed to flow in various ways and discharge <br /> into the river and the associated wetlands without coming in contact with areas disturbed <br /> by mining activities. Those flows from upstream, and areas not yet affected by mining, <br /> may be conveyed in the east bar ditch of Piedra Road (on the permit boundary), existing <br /> bar ditches of Kleckner Lane, as well as the ephemeral, changing flow path north of the <br /> current Kleckner Lane. Flow which cannot be diverted in this way will flow into sediment/ <br /> infiltration/evaporation basins/swales. <br /> The intent of this surface water management is to prevent erosion and any discharge of <br /> water associated with mining activities and to reduce loss due to infiltration and <br /> evaporation while preserving the wetlands. <br /> Please note a typo on Exhibit C Item 5 (last line on page 16) and other locations: it should <br /> be 1.5 acres and not 1.4. <br /> 1.6 Water Source and Use. <br /> The Upper Piedra Basin surface and ground water is NOT over-appropriated and therefore <br /> is NOT under the administration of the State Engineer. The well and irrigation water rights <br /> for the Dancing Winds Ranch are used for"commercial/industrial" use as the three cabins <br /> and pavilion to the east of the affected land are commercial in nature. The Division of <br /> Water Resources has asked that we change the well registration to reflect this; <br /> documentation has been submitted (see Appendix C). Coordination with the State <br /> Engineer's Office (DWR) has determined that a substitute water supply plan is NOT <br /> required and they expect to approve both applications/revisions. Documentation of this <br /> determination as well as a copy of the GWS-27 and GWS-45 with attachments is provided <br /> at Appendix C. <br /> 5182-22-003 WAST£LIN£, INC. Page 6 of 107 <br />