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TABLE 4 <br /> AREAS OF RAINFALL WATER RUNOFF INTO HOLDING POND -HOME RANCH <br /> AREA TOTAL AREA PERCENTAGE INTO AREA INTO HOLDING POND <br /> HOLDING POND <br /> Concrete Lanes 16,700 ftZ 100% 16,700 ft <br /> Roof Area 180,000 ftZ 100% 180,000 ft2 <br /> Holding Pond 132,600 ftZ 100% 132,600 ftZ <br /> Corrals and Yard 130,000 ftZ 85% 110,500 ftZ <br /> Other 60,300 ftZ 85% 51,250 ftZ <br /> (Silage Bunker) <br /> TOTAL RAINFALL INTO HOLDING POND: 491,050 ftx 14.43 x 7.48 gal/ft' <br /> = 12 in./ft=4,416,900 gallons <br /> TABLE 5 <br /> ESTIMATED VOLUMES OF MILK BARN WATER CURRENTLY USED - HOME RANCH <br /> NUMBER OF COWS/MILKINGS PER DAY 1,100 Milk Cows/2 Milkings per day <br /> _ HOLDING PEN SPRINKLER WASH VOLUME 20,000 gallons <br /> BULK TANK/PIPE LINE WASH VOLUME PER DAY 150 gallons+275 +275 =700 <br /> MILK BARN FLOOR WASH 200+200=400 gallons <br /> MISC. EQUIPMENT WASH 250 gallons <br /> TOTAL VOLUME: PER DAY/PER 120 DAYS 21,350 gals.per day/2,562,000 gals.per 120 days <br /> TABLE 6 <br /> 120 DAY HOLDING POND STORAGE VOLUME SUMMARY-HOME RANCH <br /> HOLSTEIN WASTE RAINFALL ONTO RAINFALL CURRENT MILK BARN EVAPORATION(-) <br /> GENERATED IN DAIRY FACILITY DIRECTLY INTO WATER GENERATED AND <br /> FREESTALLS AFTER AND INTO HOLDING POND INTO HOLDING POND <br /> EXPANSION HOLDING POND (No Fresh Flush Water) <br /> 2,417,057 gallons 491,050 ft2 x 14.43 132,600 ft2 x 14.43 in. 2,562,000 gallons 9.06 inches evaporation x <br /> in.rainfall x 7.48 x7.48 gal ft'-12in/ft= 140,250 ft2 x 7.48-12 in/ft= <br /> gal/ft'-12 in./ft= 1,192,700 gallons -792,048 gallons <br /> 4,416,900 gallons <br /> TOTAL WASTE VOLUME PLUS WATER VOLUME GENERATED 10,588,657 gals-792,048=9,796,600 gallons <br /> INTO THE HOLDING POND -MINUS EVAPORATION <br /> _ TOTAL HOLDING POND VOLUME CAPACITY 875,826 ft'/6,551,200 Gallons <br /> From the data presented above, it is determined that the Home Ranch holding pond does not have <br /> sufficient capacity to retain the water originating from the referenced sources, after the proposed <br /> milk herd expansion. However, as the water level in the holding pond increases during the rainy <br /> season, water can "back-up" into the primary irrigation conveyance ditch, which can be used as <br /> -9- <br /> _ Chesney Consulting <br />