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2/20/2020 8:01:22 AM
Rio Grande Groundwater Withdrawal Rules
Document Type - Rulemaking
RESPONSE AREA SUMMARY H TRINCHERA CREEK
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Colorado Division of Water Resources <br />912312015 <br />RESPONSE AREA SUMMARY PACKAGE <br />TRINCHERA RESPONSE AREA <br />Table of Contents <br />Figure 1 Trinchera Response Area, Stream Reaches with Response Functions - This figure shows <br />the stream reaches for which Response Functions were calibrated. For the Trinchera <br />Response Area there are four stream reaches with Response Functions: <br />1. Trinchera Creek below Smith Reservoir <br />2. Rio Grande Excelsior Ditch to Chicago Ditch <br />3. Rio Grande Chicago Ditch to State Line <br />4. Conejos River below Seledonia/Garcia Ditches <br />Table 1a Estimated Historical and Current Year Stream Depletion and Accretion from <br />Groundwater Withdrawals in the Trinchera Response Area (acre-feet) - This to ble <br />provides a summary of the Trinchera Response Area's groundwater withdrawal impacts <br />to streams using Response Functions calibrated to the RGDSS Groundwater Model for <br />the time frame of 2001 through 2015. For illustrative purposes, groundwater <br />withdrawal was discontinued after 2015 and the Response Functions were applied to <br />estimate post plan depletions. Net Groundwater Consumptive Use is defined as the <br />groundwater consumed by the operations of one or more wells and represents the <br />difference between groundwater withdrawals less any return flow to the hydrogeologic <br />system. <br />Table 1b Estimated Post Plan Net Stream Depletions from Groundwater Withdrawals in the <br />Trinchera Response Area (acre-feet) <br />Figure 2 2001-2015 Estimated Net Stream Depletions and Post 2015 Projected Net Stream <br />Depletions from Groundwater Withdrawals in the Trinchera Response Area - The <br />stacked graph shows the combination of Table 1a (historical and current year <br />depletions) and Table 1b (post -plan depletions) . <br />Table 2 Monthly Net Stream Depletions for 2015 Plan Year in the Trinchera Response Area <br />(acre-feet) - This table provides the monthly distribution of Net Stream Depletions for <br />the 2015 Plan Year. <br />Trinchera Response Area Page 1 <br />
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