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<br /> <br />e <br /> <br />It is anticipated that the remaining 2.4 miles of the inlet <br />canal will be cleaned out in the future as part of an approved main- <br />tenance program, but it is not known when the work will be completed. <br />This will then complete the desired maintenance of the Model Intake <br />canal and the Model Ditch to receive "Project" water. To irrigate up <br />to the potential of 6,177 acres classified as irrigable land by the <br />Bureau of Reclamation it will be necessary to prepare the landt main- <br />tain old lateral ditches and construct new lateral ditches. <br />The Johns Flood Ditch shares the Model Intake Canal diversion <br />facilities and headgate. The ditch is used to irrigate land north of <br />the purgatoire River near Hoehne as shown on map SK-332 located in the <br />folder at the end of this report. The Johns Flood Ditch diversions <br />are carried in the Model Intake Canal for 2.5 mi les to the SW1/4, <br />SE1j4, Section 22t T32St R63W. At that point the Johns Flood Ditch <br />diverges from the Model Intake Canal. Prior to about 1971, flow in <br />the Johns Flood Ditch was measured at a Parshall flume just below the <br />point at which water is diverted 'from the Model Intake Canal. In 1971 <br />the division engineer determined that the flume was inaccurate. There- <br />after, diversions into the Johns Flood Ditch have been measured at a <br />staff gage in the ditch and at the Parshall flume in the Model Intake <br />Canal. The capacity of the Johns Flood Ditch is approximately 125 cfs. <br />From its point of diversion from the Model Intake Canal to its <br />end near the Model Reservoirt the Johns Flood Ditch is approximately <br />8.3 miles in length. A lateral of the Johns Flood Ditch extends to <br />the Model Reservoirt thereby providing the capabil ity of discharging <br />wastewater from the Johns Flood Ditch to the reservoir. However, the <br />Colorado Supreme Court ruling in Enlarged Southside Irr. Ditch Co. v. <br />Johns Flood Ditch Co., 129 Colo. 423, (1949) prevents wastewater from <br />being discharged into the Model Reservoir from the Johns Flood Ditch <br />unless the wastewater had been originally diverted under Priority #145. <br />Johns Lake is located above the Model Inlet Canal near the Lietensdorfer <br />Arroya in Section 10, T32S, R63W. The sources of water for Johns Lake <br />are natural runoff and wastewater from the Picketwire Ditch which diverts <br />water from the Purgatoire River near Trinidad. Since before 1950, the <br />water in Johns Lake has been used for stock watering. <br /> <br />e <br /> <br />e <br /> <br />11 <br /> <br />