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A more complete discussion of this system is contained in Section IU.C. of this <br />document. <br />Flow and water quality measurements are taken at all sedimentation ponds, in <br />accordance with the Colorado Discharge Permit System permit issued by the Colorado <br />Department of Public Health and Environment, Water Quality Control Division. <br />The permit application contains provisions for ongoing surface water monitoring. The <br />water monitoring plan is detailed in Tab 15. <br />Seneca Coal Company has included a plan for an alternative water supply in the event <br />that local water rights are adversely impacted by mining. The plan is included in Tab <br />16 of the permit. <br />F. Probable Hydrologic Consequences <br />A determination of the probable hydrologic consequences of the mining and <br />reclamation activities at the Seneca H-W Mine site has been made by the applicant and <br />is found in Tab 17 of the permit application. Pages 1-85 of Tab 17 narrative :focus on <br />hydrologic impacts of mining within the original permit area. Pages 86-143 address <br />impacts of mining within the south extension area. This section includes an evaluation <br />of quantity and quality effects on ground and surface water systems and mitigative <br />measures to be taken both during and after mining. <br />The Probable Hydrologic Consequences section of this document is divided into two <br />subsections (Ground Water Effects and Surface Water Effects). The ground water <br />effects section has been updated by inclusion of a H-W South Extension addendum. <br />The surface water effects section has been updated to incorporate the effects of Wadge <br />and Wolf Creek/Sage Creek mining in the south extension area. <br />Ground Water Effects (Original Permit Area) <br />Probable hydrologic consequences to the ground water regime will be minor. <br />Localized effects to the hydrologic system will include: <br />1) the drawdown of ground water, due to pit dewatering, for a few hundred to <br />perhaps 1,000 feet from the pit; <br />2) possibly diminished quantity and quality of water in the Temple Well no. 1; and <br />3) the probable dewatering and degradation of quality in three to five springs in the <br />permit area, two of which are used for stock watering purposes; <br />Seneca II-W Findings Document 36 C1982057 <br />Permit Renewal No. 5 December 9, 2010