2006-05-16_HYDROLOGY - M2004078 - Laserfiche WebLink

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Michelle L. Austin and Daria Giron, P.E. May 8, 2006 Page 3 This plan shall be valid through October 31, 2006 unless otherwise revoked or modified. Approval of this plan will be automatically extended through October 31, 2007 if a the lease with SVLH is submitted to the State Engineer's office and approved prior to October 31, 2006. 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 by September 1, 2006 (September 1, 2007 if extended). 2. A well permit must be obtained for the gravel pit in accordance with §37-90-137(2) and (11), C.R.S. prior to exposure or use of groundwater. In addition, well permits must be obtained for wells 19490S, 7280R, 20317R, 1408R, 2819F, 1657RR, 2820F, 20583R, 12800R and 19944RF in accordance with §37-90-137(2) prior to using the wells for process water under this plan. The provisions of §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 in accordance with the procedural rules in 2CCR402-5. The hearing will 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 the 600 foot spacing, or any other legitimate reason, approval of this amendment will be canceled. 3. The total area of exposed pond surface shall not exceed 24 acres and total consumptive use of the mining operation shall not exceed 131.6 acre-feet of which 70 acre-feet is due to evaporative losses, 2 acre-feet is due to dust suppression, 44.2 acre-feet is due to water remove in product (4% moisture of 1,500,000 tons of raw material) and 15.5 acre- feet is due to concrete batching (150,000 cubic yards). Should the total consumption at the pit exceed these amounts prior to the expiration date of this plan, an amendment needs to be filed with this office. 4. All water discharged from the pit and utilized to offset depletions caused by the pit operation cannot be banked or credited to offset lagged depletions in subsequent years. All discharges will be available to offset depletions in the year when depletions are actually occurring. 5. Approval of this plan is for the purposes as stated herein. Any additional uses of this water must first be approved by this office. 6. All pumping for product washing, concrete batching, dust control and dewatering shall be measured in a manner acceptable to the Division Engineer. 7. The Water Commissioner responsible for the administration of this plan is Mr. Robert Stahl, 9378 WCR 25, Fort Lupton, CO 80621, phone no. (303) 857-0742. The applicant shall maintain daily records of all diversions, replacements, and the amount of water used for each particular purpose. The applicant shall provide a report of these records to the division engineer and the water commissioner on a monthly basis on a form approved by them. The accounting must be submitted within thirty (30) calendar days of the end of the month for which the accounting is being made. In addition, the applicant shall submit a report from the City of Arvada ("Arvada"). The report shall include an accounting of all replacement water controlled by Arvada, showing the total volume of water under its control and the amount committed to each of the recipients of the water.