2013-05-29_HYDROLOGY - M1985112 - Laserfiche WebLink

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Mr. Jared Dains, E.I. Loloff SWSP —Amendment #1 May 28, 2013 Page 5 of 6 responsibility to notify and receive approval from the leasing entity to sublease any excess lease credits. No lease will be allowed in any month where this SWSP produces a negative effect to the river. Any credits resulting from dewatering operations cannot be sold or leased to any other entity. As a condition of subsequent renewals of this substitute water supply plan, the replacement water must be appurtenant to this site until a plan for augmentation is obtained. A copy of this approval letter should be recorded with the county clerk and recorder. All replacement water must be concurrent with depletions in quantity, timing, and location. 9. The name, address, and phone number of the contact person who will be responsible for the operation and accounting of this plan must be provided on the accounting forms submitted to the division engineer and the water commissioner. 10. Adequate accounting of depletions and replacements must be provided to the division engineer in Greeley (DivlAccounting(a state.co.us) and the water commissioner (mark.simpson(a)-state.co.us) on a monthly basis. Submitted accounting shall conform to the Administration Protocol "Augmentation Plan Accounting, Division One — South Platte River" (attached). In addition, the Applicant shall verify that entities providing replacement water for this plan have included such use on their respective accounting submitted to the Division Engineer. For the duration of this SWSP, those entities are the City of Aurora (Aurora Reuse, WDID 0802593) and the Graham Drainage Ditch Irrigation Company. 11. All pumping for dust control purposes shall be measured in a manner acceptable to the division engineer. Permanent records of all diversions must be maintained by the well owner (recorded at least monthly) and submitted to the division engineer on submitted accounting forms. 12. If reclamation of the mine site produces a permanent water surface exposing groundwater to evaporation, an application for a plan for augmentation must be filed with the Division 1 Water Court at least three (3) years prior to the completion of mining to include, but not be limited to, long -term evaporation losses. If a lined pond results after reclamation, replacement of lagged depletions shall continue until there is no longer an effect on stream flow. Granting of this plan does not imply approval by this office of any such court application(s). 13. Dewatering operations are to be equipped with a totalizing flow meter. Monthly meter reads must be included on submitted accounting. As long as the pit is continuously dewatered at a near constant rate, the accretions to the stream can be assumed to sufficiently offset the lagged depletions from dewatering. 14. The operator is required to replace all lagged post - pumping depletions caused by dewatering operations. The operator projects dewatering to occur for at least the next 5 years. Until the operator has a plan to cover post - pumping depletions, dewatering operations must continue to keep the pit in a dewatered state. 15. In accordance with the letter dated April 30, 2010 (copy attached) from the Colorado Division of Reclamation, Mining, and Safety ( "DRMS "), all sand and gravel mining operators must comply with the requirements of the Colorado Reclamation Act and the Mineral Rules and Regulations for the protection of water resources. The April 30, 2010 letter from DRMS requires that you provide information to DRMS to demonstrate you can replace long term injurious stream depletions that result from mining related