2007-12-05_HYDROLOGY - M1976056 - Laserfiche WebLink

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Mr. Rick Parsons November 28, 2007 Page 3 3. A well permit must be issued for the gravel pit in accordance with C.R.S. § 37-90-137(2) and (11), prior to the exposure or use of groundwater. A well permit application has been submitted to this office (receipt no. 3621480) and this application is currently pending evaluation. The provisions of C.R.S. § 37-90-137(2) prohibit the issuance of a permit for a well to be located within 600 feet of any existing well, unless the State Engineer finds that circumstances so warrant after a hearing held in accordance with the procedural rules in 2CCR402-5. This hearing may be waived if you are able to obtain statements from the owners of all wells within 600 feet, verifying that they have no objection to your use of the proposed well. Should a new well permit be denied for reasons of 600 foot spacing, or any other legitimate reason, approval of this SWSP will be cancelled. 4. The total surface area of the groundwater exposed after December 31, 1980 at the Riverside Pit must not exceed 24.32 acres resulting in a maximum annual evaporative loss of 66.38 acre-feet. 5. The annual total product mined at the Riverside Pit shall not exceed 40,000 tons per year resulting in 1.18 acre-feet of water lost with the mined aggregate. 6. Total consumption at the Riverside Pit must not exceed these aforementioned amounts unless an amendment is made to this plan. 7. A copy of the lease agreement with the NSID was provided to the State Engineer's Office on November 27, 2007. All replacement water must be concurrent with depletions in quantity, timing and location. 8. Approval of this plan is for the purposes as stated herein. This office must first approve any additional uses for which the water may be used. Any future plan that allows credit for historical consumptive use (e.g., agricultural water transfer) for this site must consider all previous credits given. 9. The replacement water that is the subject of this plan 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 locations. 10. Adequate accounting of depletions and replacement must be provided to the division engineer in Greeley and the water commissioner on a monthly basis or other interval acceptable to both of them. The accounting form provided with your application is subject to modification and approval by the division engineer. 11. 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 to the division engineer and water commissioner. 12. If reclamation of the mine site will produce 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 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. 13. To assure that depletions from groundwater evaporation do not occur in the unforeseen event, or events, that would lead to the abandonment of the pit, a bond for $131,200.00 through DRMS for lining or backfilling of the pit has been obtained. Therefore, in case of abandonment the bond can finance the completion of the lining of the pit or the backfilling, thus preventing depletions to the stream system.