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Christopher J.Sanchez <br /> B-BA <br /> Jeffrey A.Clark <br /> Daniel O.Niemela <br /> water consultants Jonathan D.George <br /> Michael A.Sayler <br /> B ISHOP- B ROGDEN ASSOCIATES, INC. Charles E.Stanzione <br /> October 23, 2018 <br /> Mr. Corey DeAngelis, P.E., Division 1 Engineer <br /> Colorado Division of Water Resources <br /> 810 9th Street, Suite 200 <br /> Greeley, CO 80631 <br /> Re: Martin Marietta Spec Agg Pit (WDID 01073031) Leakage Test Completion Letter <br /> Pursuant to Case No. 13CW3053 <br /> Dear Corey: <br /> On behalf of our client Martin Marietta ("MM"), we are writing to inform you of the completion <br /> of a leakage test for MM's Specification Aggregate Quarry Pit("Spec Agg Pit'),as required under <br /> the water rights decreed in Case No. 13CW3053 ("the Decree"). This letter presents a summary <br /> of the leakage test results, and requests approval of the test for purposes of storing water under the <br /> water rights granted in this case. <br /> The Spec Agg Pit <br /> The Spec Agg Pit is an excavated hard rock quarry pit located in Jefferson County on Jackson <br /> Gulch (a tributary to Lena Gulch and Clear Creek)which captures and stores water flowing down <br /> Jackson Gulch. The general locations of the Spec Agg Quarry property and the Spec Agg Pit are <br /> shown in the Figures 1 and 2 of the Decree (incorporated here for reference). The decree in Case <br /> No. 13CW3053 granted MM a junior water storage right with an October 30, 2015 appropriation <br /> date for the Spec Agg Pit in the amount of 320 acre-feet (af), conditional, for commercial and <br /> industrial purposes, reclamation of mined lands, irrigation, dust control, concrete and asphalt <br /> production, rock washing, replacement of return flows, augmentation and exchange. In addition, <br /> the Spec Agg Pit may serve as an alternate place of storage for Magic Mountain Reservoir, as an <br /> exchange-to point for the exchanges in the Consolidated Decree in Case Nos. 90CW215 and <br /> 91 CW47 and an alternate point of diversion on Lena Gulch to deliver water into Magic Mountain <br /> Reservoir. <br /> In order to store water in the Spec Agg Pit under these water rights, the Decree Paragraph 21 <br /> requires that, <br /> "At least 63 days prior to initially storing water in the Spec Agg Pit under this Decree, <br /> Applicant shall demonstrate to the Division Engineer that the Pit satisfies the Colorado <br />