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Ms. Cheryl Signs Page 3 Barlow Pit M-74-092 May 31, 2007 recharge accruing from any of the Riverside's shares for the applicant's 4.0 RRLC private rights. This trade would maintain the historical return flow pattern. By the letter dated January 19, 2007, Riverside Irrigation District will consider trading reservoirwater owned by Dom Ready Mix for recharge credits owned by the Riverside Irrigation District to cover depletions from Barlow Pit. This proposed swap of reservoir water for recharge accretions was confirmed for the period of June 2007 through May 2008 by two Water Orders dated June 24, 2007. One Water Order indicated that Dorn Ready Mix released 4.0 RRLC private rights to the Riverside Irrigation District. A second Water Order indicated the Riverside Irrigation District committed recharge credits to cover depletions from Barlow Pit from June 1, 2007 through May 31, 2008. The Water Order amounts reflect the actual replacement requirements based on the currently exposed ground water at the Barlow Pit site of 11.4 acres, which results in estimated evaporative depletions of 11.06 acre-feet per year. This plan is approved based on the use of Riverside's recharge credits as the source of replacement water. If direct releases from Riverside Reservoir are to be used instead of Riverside's recharge credits, the Applicant shall first notify the division engineer, water commissioner and the SEO and provide an updated table that will also include the return flow obligations. The monthly lagged stream depletions and the corresponding monthly recharge accretion credits are shown on the attached Table 1. Monthly amounts for evaporation, ET credit, and product moisture loss are shown on the attached Table 2. I hereby approve this substitute water supply plan in accordance with C.R.S. § 37-90-137(11), subject to the following conditions: 1. Unless otherwise revoked or modified, this plan shall be valid for the period of June 1, 2007 through May 31, 2008. This plan will be extended until May 31, 2009, if a Water Order for the use of Applicant's Riverside Reservoir water for the period of June 2008 though May 2009 is provided to the division engineer, water commissioner and the SEO prior to May 31, 2008. 2. 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 (currently $257) no laterthan April 15, 2008 or April 15, 2009 subject to the requirements of condition 1. 3. Well Permit No. 61944-F was issued for 10.8 acres of exposed ground water in accordance with C.R.S. § 37-90-137(2) and (11), thus the Applicant is required to obtain a new well permit for the expansion of the exposed surface area of the gravel pit in accordance with C.R.S. § 37-90-137(2) and (11) and this plan. The provisions of Colorado Revised Statute 37-90-137(2) prohibits 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 substitute supply plan may be cancelled. 4. The total surface area of the groundwater exposed at the Barlow Pit site after December 31, 1980 must not exceed 35.75 acres resulting in 34.42 acre-feet per year of evaporative loss. 5. The total amount of water used in the concrete batch plant and withdrawn from well permit no. 2104-F shall not exceed 7.31 acre-feet per year and the total product mined at the Barlow Pit site shall not exceed 100,000 tons per year resulting in 2.94 acre-feet per year of water lost with the mined product.