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Steve Nguyen <br />May 14, 2008 <br />3. The total surface area of the groundwater exposed at the Hokestra Pit after December 31, <br />1980 must not exceed 56.76 acres resulting in a maximum annual evaporative loss of 145.76 <br />acre-feet. <br />4. The annual total product mined at the Hokestra Pit shall not exceed 150,000 tons per year <br />resulting in 4.4 acre-feet of water lost with the mined aggregate and 1.2 acre-feet of water lost <br />due to dust suppression. The reclaimed area irrigated from the lakes shall not exceed 5.65 <br />acres with a consumption not to exceed 9.65 acre-feet. <br />5. Total consumption at the Hokestra Pit must not exceed 161 acre-feet per year, unless an <br />amendment is made to this plan. <br />6. Approval of this plan is for the purposes as stated herein. Any additional uses for which the <br />water may be used must first be approved by this office. <br />7. The replacement water that is the subject of this plan cannot be sold or leased to any other <br />entity. As a condition of subsequent renewals of this substitute water supply plan, the <br />replacement water must be appurtenant to this site until a plan for augmentation is <br />obtained. A copy of this approval letter should be recorded with the county clerk and <br />recorder. All replacement water must be concurrent with depletions in quantity, timing and <br />locations. <br />8. All diversions into and out of the 112 Pit shall be measured in a manner acceptable to the <br />division engineer or water commissioner. The applicant shall install and maintain such <br />measuring devices as required by the division engineer or water commissioner for <br />operation of this plan. <br />9. The replacement water must be returned from the Rural Ditch to the St. Vrain River through <br />a turn-out structure approved by the Water Commissioner, preferably the existing farm <br />diversion point on the ditch used to divert water to the historically irrigated lands. <br />10. The name, address and phone number of the contact person who will be responsible for the <br />operation and accounting of this plan must be provided with the accounting form to the <br />division engineer and water commissioner. <br />11. Adequate accounting of depletions and replacement must be provided to the division <br />engineer and the water commissioner on a monthly basis or other interval acceptable to <br />both of them. The accounting form is subject to modification and approval by the division <br />engineer. All amounts shall be in acre-feet. <br />12. 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 />13. 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 />