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Andy Rodriguez, P.E. <br />March 17, 2010 <br />Page 3 <br />2. Well permit no. 61716-F was obtained for the current use and exposed pond surface <br />area of the gravel pit in accordance with §37-90-137(2) and (11), C.R.S. <br />3. The total surface area of the groundwater exposed at the Shores Pit must not exceed 4.6 <br />acres during the approval period of this SWSP resulting in an annual evaporative loss of <br />11.57 acre-feet. <br />4. The annual amount of water used at the operation shall not exceed 3.33 acre-feet for dust <br />control, 20.60 acre-feet of water lost with the product (700,000 tons) and the amount used <br />for concrete production shall not exceed 10.43 acre-feet used in the production of <br />85,000 tons of concrete. <br />5. Total consumption at the Shores Pit must not exceed the aforementioned amounts <br />unless an amendment is made to this plan. <br />6. Approval of this plan is for the purposes as stated herein. Any additional uses of this <br />water must first be approved by this office. <br />7. All diversions shall be measured in a manner acceptable to the division engineer. The <br />Applicant shall install and maintain such measuring devices as required by the division <br />engineer for operation of this SWSP. <br />8. All releases of replacement water must be sufficient to cover all out of priority depletions <br />and be made under the direction and/or approval of the water commissioner. The <br />replacement may be aggregated to maximize beneficial use. The water commissioner <br />and/or division engineer shall determine the rate and timing of an aggregated release. <br />9. The name, mailing address, and phone number of the contact person who will be <br />responsible for operation and accounting of this plan must be provided on the <br />accounting forms to the division engineer and water commissioner. <br />10. Adequate accounting of depletions and replacements must be provided to the division <br />engineer in Greeley (Div1AccountinaCcD-state.co.us) and the water commissioner (Shera <br />Sumerford at Shera.SumerfordO-state.co.us) on a monthly basis or other interval <br />acceptable to both of them. The accounting form provided with your application is <br />subject to modification and approval by the division engineer. All amounts shall be in <br />acre-feet. <br />11. The approval of this substitute water supply plan does not relieve the Applicant and/or <br />the landowner of the requirement to obtain a Water Court decree approving a <br />permanent plan for augmentation or mitigation to ensure the permanent replacement of <br />all depletions, including long-term evaporation losses and lagged depletions after gravel <br />mining operations have ceased. If reclamation of the mine site will produce a permanent <br />water surface exposing groundwater to evaporation, an application for a plan for <br />augmentation must be filed with the Division 1 Water Court at least three (3) years prior <br />to the completion of mining, to include, but not be limited to, long-term evaporation <br />losses and lagged depletions. If a lined pond results after reclamation, replacement of <br />lagged depletions from mining and dewatering shall continue until there is no longer an