San Juan River/Delores Division 7 Durango RICD 06CW09 Boating Park Hydrology Study

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C F LI F Cl Boating Park Claims lvalnpc in rfcl Time Period Structures 5,9 Structures 10,11 Structure 12 1/1-3/14 185 185 185 3/15-3/31 250 250 250 4/1-4/14 400 400 400 4/15-4/30 850 850 850 5/1-5/14 1,200 900 900 5/15-5/31 1,250 900 900 6/1-6/14 11400 1250 900 6/15-6/30 1,200 900 900 7/1-7/14 900 600 600 7/15-7/31 600 600 400 8/1-8/14 400 400 400 8/15-9/30 300 300 300 10/1 — 12/31 185 185 185 Structures 5 and 9 will claim the maximum streamflow during the indicated time periods, as shown in the table. The RICD claims will be limited to the hours of 8:00 a.m. to 8:00 p.m. each day, except during competitive events when the RICD hours will be extended from 6:00 a.m. to midnight. Instream Flow Water Rights The CWCB instream flow water rights database indicates no instream flow water rights along the Animas River mainstem. As a result, the Durango Boating Park will not have any impact on existing instream flow water rights. Administration The proposed RICD water right can be administered through use of the existing Animas River at Durango gaging station together with a new staff gage to be installed on Lightner Creek. The available flow to meet a potential call of the RICD would be equal to the measured streamflow at the gage locations. The RICD water right is reasonably capable of being administered by the Water Commissioner through the use of these gage measurements, and calls by the RICD can be administered just like calls for any other water right. It is noted that the water courts in other water divisions have determined similar boating park water rights to be capable of administration. 4