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Replacement Water; and the means by which the Replacement Water will be used to <br /> replace Return Flows; and an explanation as to how the Interruptible Water Supply <br /> Agreement will operate without injury to vested water rights or decreed conditional water <br /> rights. <br /> 4. A copy of the agreement between the loaning Water Right owner and the borrowing Water <br /> Right owner. The agreement should clearly show that both parties have consented to <br /> operate the Interruptible Water Supply Agreement consistent with the provisions of 37- <br /> 92-309, C.R.S. and these Rules. <br /> 5. An engineering report for the Interruptible Water Supply Agreement. The report should <br /> include, but is not limited to, all pertinent information regarding the Water Right, the <br /> analysis and other material (diversion records, aerial photographs to document historical <br /> use) used to determine historical consumptive use and Return Flows, location maps, <br /> transit losses and the time, location and amount of Return Flows. The engineering report <br /> must be prepared consistent with Rule 15.8 of these Rules . <br /> 6. If the Water Right has been used for irrigation, a plan to prevent erosion and blowing soils and <br /> a description of compliance with local county noxious weed regulations and other land <br /> use provisions. <br /> 7. A proposed monthly accounting form for the Interruptible Water Supply Agreement that <br /> includes all diversions, Return Flow requirements, and Replacement Water deliveries. <br /> The accounting must be provided to the Water Commissioner and Division Engineer on <br /> forms and a reporting schedule that is acceptable to them. The accounting form should <br /> contain all information necessary for the administration of the plan. The name, mailing <br /> address, and phone number of the contact person who is responsible for operation and <br /> accounting of this plan must be provided on the accounting form. The accounting form <br /> must be prepared consistent with Rule 15.9 of these Rules. <br /> 8. A description of how the water will be measured. All water diverted under the proposed <br /> Interruptible Water Supply Agreement shall be adequately measured to the satisfaction of <br /> the Division Engineer or their designee. <br /> I. The State Engineer may require any other information deemed necessary to ensure the Agreement will <br /> comply with section 37-92-309, C.R.S. <br /> 15.8 Engineering Reports <br /> 15.8.1 The Applicant shall submit an engineering report describing the methodology, supporting <br /> data, and results of the analysis of the Water Right. If the Water Right is decreed for <br /> irrigation,the Applicant shall include consideration for the following in the engineering <br /> report: <br /> A. Analysis of historical consumptive use of an irrigation Water Right shall be based upon the modified <br /> Blaney-Criddle method, the Penman Monteith method, or other methods generally accepted in <br /> the engineering community for calculating crop evapotranspiration or determination from previous <br /> court decrees for the subject Water Right, if applicable. The historical consumptive use analysis <br /> shall be based on a representative study period. Any non-use of the Water Right during a study <br /> period shall be included in averaging historical use. All sources of water for irrigation must be <br /> considered when determining historical consumptive use. Any occurrence of subirrigation must <br /> be documented and considered in the historical use analysis. Documentation of historical <br /> irrigation may be based on aerial photographs, sworn affidavits, court decrees, well permit files <br /> and Water Commissioner diversion records. <br /> Code of Colorado Regulations 5 <br />