2019-07-01_INSPECTION - M2001022

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Case No. 09CW105 Findings of Fact, Conclusions of Law, Judgment and Decree Page 8 of 28 August 34.9% September 50.1% October -2.4% 7.4.3 Return Flow Replacement. Except during times of free river, LRM shall either release replacement water from storage or immediately return delivered water to the Big Thompson River to replace historical return flows at the location described in Paragraph 6.1. Loveland Ready Mix shall release water in the amount so calculated at as constant a rate as is practical. During the months of April through October, LRM shall make the required return flow replacement daily when there is a valid call for water from a downstream senior water right. During the months of November through March, the Division Engineer may allow or require return flow replacement monthly for ease of administration or otherwise. LRM shall replace historical return flows except during times of free river. 7.5 Water used directly or after storage may be fully consumed and may be used, reused, successively used or disposed of to extinction for the Changed Uses. The amount of water available for reuse, successive use and disposition shall be based on the amount of return flows resulting from use of the consumptive use portion of the Hillsborough Shares which shall be quantified as follows: 7.5.1 Irrigation Use. Return flows resulting from sprinkler irrigation shall be equal to 17% of the total amount applied, where 15% of the water returns to the Big Thompson River as deep percolation return flow and 2% of the water returns to the Big Thompson River as surface water return flow. 7.5.2 Commercial and Domestic Use. For indoor commercial and residential use, 95% of water treated at central wastewater treatment facilities shall be available for reuse. In the event septic systems are used, 90% of the water delivered to septic systems shall be available for reuse. 7.5.3 The calculated amount of return flows available for reuse shall be lagged to the Big Thompson River using the Glover Method and the AWAS Glover alluvial aquifer model or similar tool. j 7.5.4 Prior to claiming credit for the reuse of the consumptive use portion 1 of the Hillsborough Shares, LRM shall demonstrate to the Division Engineer that it can measure and account for such reuse by submitting accounting that includes the following: (1) identify the location of all irrigated acres; (2) identify the method for irrigation; (3) identify whether septic systems or onsite treatment, or a combination, will be used for the commercial and domestic uses; and (4) develop aquifer I parameters to calculate the return flow lagging using the Glover Method and the i t i