2014-06-18_HYDROLOGY - M2001051 - Laserfiche WebLink

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Upper Poudre Combined SWSP June 18, 2014 Page 8 of 10 at Mark.Simpson@state co us) on a monthly basis. The accounting form provided with your application is subject to modification and approval by the division engineer. All amounts shalt be in acre-feet. Submitted accounting shalt conform to the Administration Protocol "Augmentation Plan Accounting, Division One - South Platte River" (attached). 13. All pumping for dust control shall be measured in a manner acceptable to the division engineer. 14. The Applicant shall perform an inspection and provide verification for all parcels of dried up land used to generate augmentation credits during the term of this SWSP. The final verification of dry up will be in the form of an affidavit signed by an individual having personal knowledge of the dry up for the entire irrigation season for each parcel of land used in this SWSP. In accordance with the attached protocol for dry-up October 31, 2014 the Applicant shall provide an affidavit to he water commi sionerband division engineer that identifies and confirms the lands that were dried up during the 2014 irrigation season in order that the final determination of augmentation credits for the irrigation season can be made along with mapping showing any revisions to the dried-up acreage. A GIS shapefile must be emailed to DivIAccounting@state co us for each dry-up notification and affidavit. The shapefile shall include the WDID of the plan, the acreage of dry-up, and any accompanying metadata. In addition, the datum must be NAD83 and the UTM projection must be Zone 13 North. The Applicant shall modify accounting to reflect that the credit from any dried up fields containing alfalfa or native grass was assessed in the following manner: (a) For fields deep tilled or chemically treated to successfully kill alfalfa or native grass, 100% credit will be given for consumptive use as otherwise computed under the conditions of this approval. (b) For fields not deep tilted or chemically treated to successfully kilt alfalfa or native grass, records of monthly monitoring of depth to ground water at existing irrigation wells or existing or new monitoring wells or piezometers within %-mile of each alfalfa or native grass field must be maintained. Credits will be reduced according to the following table when depth to ground water is less than the depth assumed to provide no significant contribution to native grass or alfalfa growth. Measurements taken at the start of each month will determine the necessary reduction in credit to be applied during the following month. The applicant may use another methodology upon review and approval by the State Engineer and Division Engineer. Depth to Ground Water Percent Reduction in CU Credit' (Feet) Native Grass Alfalfa 1 85% 100% 2 50% 9 3 30% 0% 4 20% 75%50% 5 15% 6 10% 25% 7 5% 8 15% 1. Adapted from EVAPOTRANSPIRATION AND AG RONOMIC RESPONSES IN FORMERLY IRRIGATED MOUNTAIN MEADOWS, South Park, Colorado, March 1, 1990; Revised September 1, 1991 15. The Division of Water Resources will not acknowledge any recharge activity conducted I l