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Rationale for Recommendation to Approve 21
<br /> September 29, 2016
<br /> discharge permit) in order to conduct the proposed mining and reclamation operations. The Division
<br /> determined the permit application satisfied the requirements of Rule 6.4.7(5) and Rule 6.4.13.
<br /> The proposed stormwater management plan, submitted in Exhibit G, has been available for public review
<br /> since it was received by the Division on February 19, 2016. Through the adequacy review process,
<br /> portions of Exhibit G have been revised. All adequacy reviews and corresponding responses from the
<br /> Applicant were added to the public file and made available through the Division's website at:
<br /> http://inining.state.co.us.
<br /> 15. Concerns regarding impacts to groundwater (well water levels; well water quality; the
<br /> neighborhood depends strictly on well water - already a fragile system; wells depend on quality of
<br /> recharging surface water and thus are highly susceptible to contamination; Eagles Nest wells obtain
<br /> water from rock fractures—blasting may cause earth movement or quarrying may drain fractures and
<br /> impact water availability);Red Rock Valley Estates Water District area is located just north of proposed
<br /> quarry area —provides water to 83 property owners— therefore, have concerns over potential impacts
<br /> to water quality and physical supply within the District's watershed;Exhibit G—BBA memo -Page 5-
<br /> states that no water supply wells are located in the southern half of Section 16, southeastern quarter of
<br /> Section 17, or all of Sections 20 and 21 - but there is vacant land owned by people within Eagles Nest
<br /> in Section 17 now- what happens if wells are drilled there in the future? Could they be impacted?
<br /> (S. Harper, K.Rawson, M. McClurg,S.Firks, W.Baker, M. Baker, W. Sheaves,A.Sheaves, D.Steen,A.Sickels, P.Heacock, L. Pecoraro,
<br /> M. Yugovich, D. Yugovich, S. Fentman,J. Townsend, S. Bell, B. Chisnell, R. Eddy,J. Rrgdon, K Rigdon, T. Offutt, S. Diggs, W. Diggs, L.
<br /> Steer,B.Donahue,H.Sandler,P.Reinsma,D.Harrell,B.Louzon,L.Louzon,G.Cousineau, C.Cousineau,P.Ragan, C Ragan, W.Flaharty,
<br /> J. Flaharty,S.Rawson, C Reed,N.Reed, G.Klein,B.Powell,D.Martin, L. Martin, T.Hight, T.Swonger, C. Watkins,P. Watkins,R.Pace,
<br /> C.Hancock,D.Hancock,R.Larsen,S.Larsen,M.Harvey,L.Harvey, G. McCowen,J.Moore,K.Moore,M.Henslee,S.Sovaiko,M. Cook,
<br /> J.Lawrence,J.McFarlane,J. Gard,D. Gard,R. Cadigan,J. Cadtgan, C.Engelage, T.Day, T.Kerr, C Brice,D.Brice,M.Harper,R.Eddy
<br /> Jr., E. Dean, K. Blatchford, P. Blatchford, Richard Rudduck, W. Dean, M. Heer, C Heer, Joe Koscove, S. Koscove, Jack Koscove, M.
<br /> Koscove,A. Fellows, T. Fellows, C. Kimble, C Lick,D. Lick,L. Rogers,J. Miller,K. Troutt,J.SalazarJr., M.Hodges,Raven Ruddzick,E.
<br /> Bransbv,S.Boehr,K.Kay, C S.Kay,S. La Verne,S.Pringle.M Junck,R.Holden, Y.Holden,A. Gerber, C Newby,K Newby,R.Blair, D.
<br /> Larrabee, R. Welch, S. Samson, V. Wekamp, D. Wekamp, Brian Gardiner, Betty Gardiner, S. Mulliken, G. Sovaiko, L. Gnren, M.Lihs, B.
<br /> Delgado,J.M. Turley,K. Turley,M Spoor,B. Hughes,J.Kline,D. Murphy,J. Murphy,B.Simmons,S.Simmons)
<br /> In an effort to verify compliance with C.R.S. 34-32.5-116(4)(h) and Rule 3.1.7, the application includes a
<br /> groundwater monitoring plan sufficient for the Applicant to establish baseline conditions for groundwater.
<br /> This plan includes installment of four groundwater monitoring stations,located hydrologically up-gradient
<br /> and down-gradient from the proposed mine area in both Deadman Creek valley and Little Turkey Creek
<br /> valley. The groundwater wells will be installed to target the alluvium and shallow bedrock formations. All
<br /> monitoring stations will include collection of water samples for laboratory analysis, field parameters, and
<br /> water level measurements.
<br /> Groundwater quality analysis will include all required parameters from the CDPHE,WQCD—Regulation
<br /> No. 41 — The Basic Standards of Groundwater— Tables 1-4 (table value standards), except for Asbestos,
<br /> Chlorophenol, and Phenol, which the Division determined would not be required for this site.
<br /> The Applicant has committed to collecting groundwater quality data during five successive calendar
<br /> quarters prior to commencement of mining, in order to sufficiently characterize baseline conditions at the
<br /> site. At the end of the 15-month monitoring period,the Applicant will submit a final report to the Division
<br /> which summarizes monitoring results. After reviewing the final report, the Division will determine
<br /> whether any aspect of the monitoring plan needs to be revised. Any revisions to the approved groundwater
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<br /> c—i-W, H,ckcn:ooper, Governor I Rohe,,W RDndaU, Exec;t;vn D,rectcr i Yi-;'ma Bf rinLn, Director
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