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COLORADO <br />Division of Water Resources <br />Department of Natural Resources <br />April 24, 2019 <br />Mr. Andy Rodriguez, P.E. <br />Civil Resources, LLC <br />323 Fifth Street <br />P.O. Box 680 <br />Frederick, CO 80530 <br />Re: Bestway's Brighton Combined Substitute Water Supply Plan (WDID 0202587) <br />Parker-Dersham Pit, DRMS Permit No. M-2006-003 (WDID 0203026) <br />Baseline Resource Pit, DRMS Permit No. M-1997-058 (WDID 0203017) <br />SWSP Plan IDs 5072 and 3599 <br />Section 36, T1 N, R67W, 6th P.M., Adams County <br />Water Division 1, Water District 2 <br />Approval Period: January 1, 2019 through December 31, 2021 <br />Contact phone number for Mr. Andy Rodriguez: 303-833-1416 <br />Dear Mr. Rodriguez: <br />This letter is in response to your letter dated December 21, 2018, requesting renewal of the <br />substitute water supply plan ("SWSP") to cover depletions caused by gravel mining operations <br />at two locations known as the Parker-Dersham Resource Pit (M2006-003) and the Baseline <br />Resource Pit (M1997-058). The required fee of $514.00 (2 x $257) has been submitted (receipt <br />no. 3689827). The original supply plan for Parker-Dersham Resource was approved on July 31, <br />2008 and the original supply plan for Baseline Resource was approved on May 21, 2001. The <br />combined SWSP was most recently approved in a letter dated February 28, 2018. <br />Plan Operation <br />This combined plan seeks to replace lagged depletions resulting from past mining operations <br />at the Parker-Dersham Pit and the Baseline Pit. The pits are being reclaimed and there is no <br />exposed groundwater and mining activities have ceased. The lagged depletions during this <br />SWSP approval period are from past evaporation, and mining operations. The proposed <br />replacement source is a water lease with the City of Aurora of fully consumable water, and an <br />onsite Laramie -Fox Hills non -tributary well (Permit no. 64750-F). <br />The eastern portion of the Baseline Pit is encompassed by an existing slurry wall, and is <br />known as Robert W. Walker Reservoir (WDID 0203358). The majority of the western portion of <br />the Baseline Pit and the southern portion of the Parker-Dersham Pit is encompassed by an <br />existing slurry wall, and is known as Kirby-Dersham Reservoir (WDID 0203386). These two <br />slurry walls were approved by the State Engineer's Office on July 2, 2010 and December 16, <br />2011, respectively. Water shall not be impounded in the reservoirs except pursuant to lawful <br />diversions allowed by statute or decree. At all other times, all inflow of water into the <br />of Co <br />1313 Sherman Street, Room 821, Denver, CO 80303 P 303.8663581 www.colorado.gov/waterI Few "o <br />Jared Polis, Governor I Dan Gibbs, Executive Director I Kevin G. Rein, State Engineer/ Director <br />'f 1876 �` <br />