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Peter Foster and Jonah Howe, Wright Water Engineers Page 7 of 14 <br /> Re: Gunnison West Gravel Pit SWSP <br /> December 8, 2025 <br /> this SWSP. This is because the timing of depletions and return flows will be offset by storage <br /> and operation of the Blue Mesa Reservoir, which does not require lagging to the river to <br /> avoid injury. <br /> Long-Term Depletions <br /> In accordance with the letter dated April 30, 2010 from the Colorado Division of <br /> Reclamation, Mining, and Safety (DRMS), all sand and gravel mining operators must comply <br /> with the requirements of the Colorado Reclamation Act and the Mineral Rules and <br /> Regulations for the protection of water resources. The April 30, 2010 letter (attached) from <br /> DRMS requires that the Applicant provide information to DRMS to demonstrate the Applicant <br /> can replace long term injurious stream depletions that result from mining-related exposure <br /> of groundwater. <br /> In accordance with approach no. 4, the Applicant has previously provided a letter dated <br /> April 30, 2013 that dedicates 3.125 cfs of the Applicant's 4.33 cfs in the Seventy-Five Ditch <br /> water as replacement water for out-of-priority depletions solely for this SWSP. This <br /> replacement water must remain dedicated to this site as long as there are depletions at this <br /> gravel pit site or until such time as another replacement source is obtained. For the <br /> purposes of this SWSP, this letter will be accepted for the dedication of the shares; however, <br /> if the State Engineer determines that a different affidavit or dedication process is necessary <br /> to assure proper dedication of the shares, additional information may be required prior to <br /> future SWSP approvals. Additionally, a bond has been obtained for $292,970 through DRMS <br /> for reclamation at this site. <br /> Conditions of Approval <br /> This SWSP is hereby approved in accordance with section 37-90-137(11 ), C.R.S. and the <br /> following conditions: <br /> 1. This SWSP shall be valid for the period of January 1, 2026 through December 31, <br /> 2027, unless otherwise revoked or superseded by decree. If this SWSP will not be <br />