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Colorado Division of Water Resources <br />Notes for Tables la and lb columns: <br />912312015 <br />1. Year <br />2. Rio Grande near Del Norte Gage streamflow in acre-feet for the period of April through September. The 2015 streamflow value is from <br />the April 3, 2015 Division of Water Resources (DWR) Rio Grande Compact 10-Day Report. <br />3. Net Groundwater Consumptive Use (NetGWCU) for January through December. <br />a. NetGWCU values for 2001 through 2010 were taken from the RGDSS Groundwater Model output. <br />b. NetGWCU values for 2011 through 2014 were calculated using well meter data, diversion data, and irrigated acreage <br />information. <br />c. NetGWCU data for 2015 was estimated from 2014 well meter data and projected diversions based on the projected Rio Grande <br />streamflow from the April 3, 2015 Rio Grande Compact 10-Day Report. <br />4. Net Stream Depletions in the Rio Grande Del Norte to Excelsior Ditch reach for the plan year (May through April) in acre-feet <br />5. Net Stream Depletions in the Rio Grande Excelsior Ditch to Chicago Ditch reach for the plan year (May through April) in acre-feet <br />6. Net Stream Depletions in the Rio Grande Chicago Ditch to the State Line reach for the plan year (May through April) in acre-feet <br />7. Total Net Stream Depletions columns (4+5+6) in acre-feet. <br />Response Area No. 1 Page 5 <br />