2018-04-13_HYDROLOGY - M1977436 - Laserfiche WebLink

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Aggregate Industries South Platte Combined SWSP April 13, 2018 Plan IDs 3614, 4773, 3624, 4772, 4616, 3437, 3376, 3650, 3668, and 5475 Page 7 of 20 shares dedicated to the plan in 2018. The share dedication dated February 29, 2012 remains valid and is attached. Bucklen Equipment Company Lease The Applicant has entered into an agreement with Bucklen Equipment Co., Inc. for the lease of excess augmentation credits from the Bucklen Pit SWSP (WDID 0302538) during the period of April through October 2018. A copy of the lease, dated November 21, 2017, is attached. The excess augmentation credits will be generated from six (6) GIC shares owned by the Bucklen Equipment Co., Inc. The return flow obligations associated with the use of the six Bucklen GIC shares are counted as a depletion in and will be replaced under the Bucklen Pit SWSP. After use in the Bucklen Pit SWSP, the shares are projected to produce a total of 62.2 acre-feet of excess credits during the 2018 irrigation season. Aggregate has leased a total of 39.3 acre-feet of these excess credits for use in this SWSP. The Bucklen GIC shares will be delivered to the Cache La Poudre River at the 23rd Avenue and Fourth Street Return Station (WDID 0302318). Greeley Irrigation Company Shares The Applicant has obtained a lease for a total of three (3) shares in the Greeley Irrigation Company (“GIC”) owned by Pat Arnold. A share of GIC water provides the shareholder with GIC direct flow water and Fossil Creek Reservoir water. The term of the lease is for the 2018 irrigation season. The share certificate numbers are #2476 (2 shares) and #2455 (1 share). The GIC owns a 5/8th interest in the water rights decreed to the Greeley Canal No. 3 (WDID 0300934) and 60 preferred rights in Fossil Creek Reservoir (WDID 0303774). The historical use of 519.7 outstanding shares in the GIC was previously quantified and decreed in case no. 1996CW658 using a ditch-wide analysis. The decree in case no. 1996CW658 found that 519.7 shares were used to irrigate 3,501 acres (6.74 acres per share) with an average historical consumptive use of 5,358 acre-feet per year, which yields an average consumptive use credit of 10.31 acre-feet per share (5,358 acre-feet ÷ 519.7 shares) or an average consumptive use credit of 1.53 acre-feet per acre. The 3 GIC shares leased by the Applicant are therefore expected to yield a consumptive use amount of 30.93 acre-feet per year (10.31 acre-feet/share × 3 shares = 30.93 acre-feet). The ditch-wide analysis decreed in case no. 1996CW658 determined the acreage irrigated with GIC water rights was 3,501 acres, or 6.74 acres per share. Of that, 2,098 acres were determined to have been dried up as a result of development (“dry-up pool”). The total required dry-up associated with the subject 3 shares is 20.22 acres. Of the 3 GIC shares, 1.5 shares were used to irrigate 2.15 acres identified as Farm E-73a, and the remaining 1.5 shares were used to irrigate 7.06 acres identified as Farm E-73b. The acreage historically irrigated by the subject shares is below the irrigated-acreage-per-share historical average of 6.74. As such, the Applicant may claim the remaining 11.01 acres of required dry-up from the “dry-up pool”. The subject farms are no longer irrigated. In paragraph 6.7.4. of the decree entered in case no. 1996CW658, future farm headgate deliveries of the 67.75 shares owned by Poudre Prairie Irrigation Company were limited to 1,712 acre- feet per year (25.26 acre-feet per share) and 12,631 acre-feet (186.43 acre-feet per share) in any consecutive 10 year period. For the purposes of this one-year SWSP, deliveries of GIC direct flow water associated with the 3 shares must be limited to a farm headgate delivery of 55.8 acre-feet (18.6 acre-feet per share).The historical return flows associated with the 3 shares that are the subject of this SWSP shall be maintained in accordance with the return flow factors identified in case no. 1996CW658. The return flow obligations will accounted for and replaced under this SWSP. For the purposes of this SWSP, you have used a projected yield of 20.31 acre-feet of GIC direct flow water per share and 1.19 acre-feet of Fossil Creek Reservoir deliveries per share. These amounts are consistent with projected deliveries per share for Year One as described in paragraph 28