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2023-2024 GSL Sand 6t Gravel Substitute Water Supply Plan Page 4 of 9 <br /> November 14, 2024 <br /> provided by Aurora under the lease are 2.58 acre-feet, which accounts for transit losses, <br /> during this SWSP period, as shown on attached Table 6. <br /> Long-term Depletions <br /> The final reclamation plan for DRMS Mining Permit No. M-2001-085 had been to create a <br /> water storage reservoir through the installation of a slurry wall. The slurry wall was <br /> constructed but did not receive its liner approval from DWR. Based on the Applicant's <br /> statements, the slurry wall leaked in multiple locations and the pit filled completely with <br /> groundwater. This was not in accordance with their DRMS permit reclamation requirements. <br /> Therefore, the Applicant obtained approval of an amendment to the reclamation mining <br /> permit from DRMS to allow for backfilling of the pit. <br /> The current financial warranty posted for the site is $368,590, which was set by DRMS after <br /> approving an amendment request to change the reclamation plan from water storage to an <br /> inert backfill operation on the property (to two feet above the water table). This action <br /> satisfied the requirement that the Applicant diligently pursue compliance with their DRMS <br /> permit and the requirements described in the April 30, 2010 letter DRMS sent to all gravel <br /> pit operators (attached), specifically in regard to the required financial warranty at the site. <br /> With each successive SWSP renewal request, the Applicant shall demonstrate continued <br /> diligence in this effort, including maintaining satisfactory status in obtaining proper <br /> bonds through DRMS. <br /> Conditions of Approval <br /> This substitute water supply plan is hereby approved in accordance with section 37-90- <br /> 137(11), C.R.S. and subject to the following conditions: <br /> 1. This SWSP is approved with the effective date of November 1, 2024 and shall be <br /> valid through October 31, 2025, unless otherwise revoked or superseded by a <br /> decree. If this plan is not decreed in water court by the SWSP expiration date, a <br /> renewal request must be submitted to this office with the statutory fee of $257 no <br /> later than September 1, 2025. If a renewal request is received after the expiration <br />