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Section Required information <br />For the water right proposed for change and the portfolio of any related rights, <br />provide the historical flow rate from each point of diversion or withdrawal (in <br />8.2 cubic feet per second or gallons per minute) and explain how the amount was <br />determined (e.g., meter data or power records). Include information on how <br />the water right was used historically, and how it is being used currently. <br />If the requested change/transfer is for a water right claim, include evidence <br />8.3 demonstrating use of water prior to 1917 for surface water, or 1945 for ground <br />water. <br />For surface water diversions, explain whether streamflows were adequate to <br />8.4 exercise the right throughout the historical period of diversion. If available, <br />provide streamflow records to support the conclusion. <br />For 1groundwater withdrawals, explain whether there has been an adequate <br />8.5 supply of groundwater to exercise the water right throughout the historical <br />period of withdrawal. Provide all groundwater data and methods used to <br />support the conclusion. <br />8.6 Describe your procedures for remaining in compliance with the provisions of <br />your existing water right. <br />8.7 If a water measuring device was installed, provide your measurement data. <br />If a measuring device was not installed, do the pumps have a dedicated power <br />8.8 meter(s)? If so, provide an estimate of water use using the power consumption <br />to water consumption equation described in WAC 173-173-160(2). <br />If no 8'9 water use data are available, estimate annual use by using an alternative <br />j method and explain your methodology. <br />8.10 Provide aerial photos, remotely sensed images, or other information and <br />explain how they support the historical use. <br />WATER USED FOR IRRIGATION <br />Section Required information Reference(s) <br />If channina the Purpose of use, refer to the Provisions section of your water RCW 90.66 <br />8.11 right document to determine whether the right is subject to the Family Farm <br />Water Act. If so, contact the appropriate Ecology regional office prior to <br />completing this form (refer to map on page 1). <br />Describe your irrigation scheduling practices (e.g., frequency and duration of <br />8.12 ' irrigation sets). Describe how data from soil moisture probes, weather <br />forecasts, crop inspection, or other irrigation scheduling techniques were used <br />to determine irrigation practices. <br />If adding the irrigation of additional acres or a new purpose of use, provide POI- RUED 121 <br />metering data for the most recent five-year period of continuous use. If 0-0 ` <br />8.13 metering data are unavailable, provide an estimate of water use for the most RCW 9.03.380 <br />recent five-year period of continuous use and describe the methodology for <br />this estimate. I <br />ECY 040-1-14 (Rev 03-2021) Page 8 of 16 <br />