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<br />Project computed return flow is to be considered available <br />to meet the above operating condition. <br /> <br />The 1961 water supply study contemplated, and was heavily dependent upon, <br />transfer of the 20,000 acre-foot Mode 1 Reservoi r storage decree to Tri ni dad <br />Keservoir. In addition, the individual ditch direct flow rights of the existing <br />independent irrigations system that would participate i~ the Project were to be <br />integrated into the project and admi n i stered by the Di stri ct. Also, the study <br />assumed that all project participants would share equally in the project water <br />supply. <br /> <br />J <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />m <br />I <br />I <br /> <br />The concept of equal sharing of project water was unacceptable to the District <br />Board and they requested that the project operation study be modified to <br />recognize and give some advantage to those individuals holding the most senior <br />water rights and the Model Land and Irrigation Company who was providing the <br />storage right.ll <br /> <br />The Bureau modified the 1961 Operation Study and redrafted the operating prin- <br />ci~les as a result of the District's concern. This modified operation study was <br />developed showing water supply avai lable to each ditch with. Model Land and <br />Irrigation Company having priority to certain storage and use of project water. <br />Results of this study were presented in Appendix A Supplement, revised Water <br />Supply and Utilization, April 1964, hereafter referred to as the "1964 Study." <br /> <br />Following a review by others of the 1964 Study and proposed operating prin- <br />ciples, the Bureau received a letter from the Governor of Kansas (dated December <br />30, 1966) stating approval of the operating principles providing five additional <br />conditions were added as follows: <br /> <br />1. All inflows over established Colorado water rights <br />(1156.05 cfs) be designated flood flows and released as <br />promptly as downstream conditions permit. The only time <br />water so designated may be stored in the conservation <br />pool will be when John Martin Reservoir does not have the <br />capacity to store additional water. <br /> <br />2. Any subsequent amendment of the operating principles <br />should be subject to revie\oJ and approval of the .same <br />interests as provided for in the original procedure. <br /> <br />3. Assurances that there will be no significant increase <br />in water use which would result in a depletion of water <br />yield to other Colorado and Kansas water users. <br /> <br />4. That 5 years after beginning operation of the <br />Trinidad Reservoir for irrigation purposes, the operating <br />principles be reviewed to determine the effect, if any, <br />the operation has had on other Colorado and Kansas water <br />users and the principles amended as necessary. Each 10 <br />year thereafter rev i ews shou 1 d be prov i ded wi th amend- <br />ments as needed. <br /> <br />llIn late 1966, the District contracted with one participant - Hoehne <br />Ditch Company - to deliver 95% of irrigation requirements of 1,200 <br />specified acres. <br /> <br />3 <br />