2012-05-22_HYDROLOGY - M1997054 - Laserfiche WebLink

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v Stephen Buechner, Applegate Group Page 3 May 21, 2012 yielding approximately 3.5 acre -feet of water. The PBWW water will be provided at the City of Pueblo wastewater treatment plant located east of Pueblo when adequate exchange potential exists to make that replacement water available at the Parkdale Project site. When there is insufficient exchange potential to utilize reusable effluent, the PBWW will release water from upstream storage at Clear Creek Reservoir or Twin Lakes Reservoir, or the applicant may release water from Twin Lakes Reservoir. Upstream reservoir releases will be subject to a 0.07 percent per mile river transit loss, or approximately 6.34 percent from Clear Creek Reservoir to Parkdale, and 6.55 percent from Twin Lakes to Parkdale. Front Range Aggregates also has an additional backup supply for this project from a 50 acre -foot lease with the Canon City Water Department that will only be used in the event that the other sources become inadequate. The Canon City lease, a copy of which was provided to this office on September 12, 2008, is valid until January 2035. The monthly depletions and replacement requirements are provided on the attached Table 3. CONDITIONS OF APPROVAL I hereby approve the proposed substitute water supply plan in accordance with §37 -90- 137(11), C.R.S., subject to the following conditions: 1. This SWSP shall be valid for the period of October 1, 2011 through September 30, 2012, unless otherwise revoked, modified, or superceded by decree. If this plan will not be made absolute by a water court action by the plan's expiration date, a renewal request must be submitted to this office with the statutory fee (currently $257) by August 16, 2012. 2. Well permit no. 67722 -F was obtained for the current use and exposed pond surface area of the gravel pit in accordance with §37 -90- 137(2) and (11), C.R.S. 3. The total surface area of the groundwater exposed at the Parkdale Project site must not exceed 1.6 acre during the approval period of this SWSP resulting in an annual evaporative loss of 4.51 acre -feet. 4. The annual amount of water used at the operation shall not exceed 10.0 acre -foot for dust control and the total product mined shall not exceed 400,000 tons per year above the groundwater surface resulting in 5.89 acre -feet of water lost with the product. 5. Total consumption at the Parkdale Project site must not exceed the aforementioned amounts unless an amendment is made to this plan. 6. Water used for washing that ponds and does not infiltrate within 24 hours may require an amendment to the plan to included additional acres of exposed surface area subject to evaporation that will require additional replacement under the plan. Field visits by the Water Commissioner will be made to confirm that 0.5 acres of evaporative surface area is appropriate for settling ponds under this plan. 7. Approval of this plan is for the purposes as stated herein. Any additional uses of this water must first be approved by this office.