2018-07-13_HYDROLOGY - M1977344 - Laserfiche WebLink

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Ms. Lindsay M. Griffith, P.E. July 13, 2018 Page 4 of 6 ("PBWW"), and an extension of the original two-year lease has been provided, commencing January 1, 2015 and terminating December 31, 2018. The lease provides for 175 acre-feet of replacement water and Holcim has proposed to use the water to replace depletions from both the Holcim Quarry SWSP and the Holcim Wetlands SWSP, which will be delivered to the Arkansas River at the Portland stream gauge reach. Appropriate transit losses will be assigned under the direction of the Division Engineer and Water Commissioner. CONDITIONS OF APPROVAL This SWSP is hereby approved pursuant to § 37-92-308(4), C.R.S., subject to the following conditions: This SWSP shall be valid for the period of January 1, 2018 through December 31, 2018 unless otherwise revoked or superseded by decree. The initial date of approval for this SWSP pursuant to § 37-92-308, C.R.S., was January 1, 2014. Pursuant to § 37-92-308(4)(b), C.R.S., "If an applicant requests renewal of a plan that would extend the plan past five years from the initial date of approval, the applicant shall demonstrate to the water judge in the applicable water division that the delay in obtaining a decree has been justifiable and that not being able to continue operating under a substitute water supply plan until a decree is entered will cause undue hardship to the applicant." An SWSP will not be approved for 2019 unless the above -referenced demonstration is made. Should an additional SWSP be requested, the provisions of § 37-92-308(4), C.R.S., shall apply. The statutory fee of $300 will be required pursuant to § 37-92-308(8), C.R.S. Any request for an additional SWSP must be submitted to this office by October 31, 2018. This is the fifth year of operation of this plan pursuant to § 37-92-308, C.R.S. 2. When flows at the Portland Gage are below 155 cfs, replacement water must be provided upstream of this gage so as to not impact operation of the City of Florence's water rights as described in Case No. 10CW63. 3. The total surface area of the water exposed at the Holcim Quarry site must not exceed 4.7 acres during the approval period of this SWSP resulting in an estimated annual evaporative loss of 16.64 acre-feet. Documentation of pond size may be required by the Division Engineer in the form of an aerial photo evaluation or survey by a Professional Land Surveyor during the plan year or years covered by subsequent renewals of this SWSP. 4. The annual amount of water pumped from the Quarry Ponds (excluding the Duck Pond) and used in the mining operation shall not exceed 58.00 acre-feet for dust control. Operation of the Duck Pond is not included as part of this SWSP. The Duck Pond will operate under the decree in Case No. 92CW35, which allows for a maximum pumping amount of 55 acre-feet/year for dust control/operational purposes. All water pumped from the ponds must be metered in a manner consistent with the Amended Measurement Rules in the Arkansas River Basin with meters verified for accuracy by a certified meter tester. All water pumped from the ponds, whether used