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The existing manure management system is adequate for the existing facilities and operations.
<br /> The expansion of herd population at Phase I through Phase IV will require site improvements
<br /> necessary to accommodate this growth.
<br /> • Phase►— In phase one (fall 2003) install a state of the art milking parlor, a well, and two state
<br /> k of the art freestall barns to accommodate a population of 960 lactating cows. Replace the
<br /> existing settling pond with a new settling pond and extend the lagoon. Install nstall a manure solids
<br /> storage area, and install a manure water irrigation system with drain ditches and return system
<br /> designed to control all onsite water.
<br /> • Phase ft—(spring 2005) install two additional freestall barns and a well to'bring g brin lactating cow
<br /> population to 1310. Install a new settling pond.
<br /> • Phase BY— (spring 2007) install two additional freestall barns to bring lactating cow population
<br /> t ' to 1665.
<br /> ,-�. • Phase►V— (spring 2008) install two additional freestall barns to bring lactating cow population
<br /> to 1900.
<br /> The projected capacity required at this facility (based on a six month storage of manure effluent,
<br /> milk parlor water and rainfall runoff) to ensure the maximum volume can be retained on site is
<br /> 10,364,203 gallons (Phase 1), 13,595,590 gallons (Phase ll); 17,034,478 gallons (Phase III);.
<br /> 19,511,090 gallons (Phase IV); and adding the 3.4 inches from a 25 year 24 hour storm is
<br /> 2,630,105 n gallons (Phase 1), 3,212,889 $ gallons (Phase 11), 3,555,172 B gallons (Phase III),
<br /> 4,009,452 B gallons (Phase IV), resulting in a total volume of manure effluent to be 12,994,308
<br /> gallons (Phase 1), 16,808,479 gallons (Phase Il); 20,589,650 gallons (Phase 111); and 23,520,542
<br /> gallons (Phase IV).
<br /> CAPACITY LIMITS GALLONS
<br /> Phase I Phase 11 Phase III Phase IV
<br /> _ Accumulation of Manure 10,364,203 13,595,590 17,034,478 191511;090
<br /> Effluent and Rainfall Runoff
<br /> Rainfall Runoff 25 r.124 hr. 2,630,105 3,212,889 x`3,555,172 4,009,452 j
<br /> Total Capacity Required 12,994,308 16,808,479 20,589,650 23,520,542
<br /> Settling Pond I Lagoon 20,619,164 23,755,198 23,755,198 23,755,198 c
<br /> Storage Capacity (Projected)
<br /> � Notes:
<br /> A. For Phase I, Capacity of lagoon is sufficient to retain all liquids. Settling pond will not be
<br /> needed for winter rainfall storage.
<br /> B. Capacity includes storage for one settling pond, in lieu of two ponds. The design of settling ;
<br /> ponds is to retain the solids, and the liquids will overspill from one pond to the other; then '
<br /> to the flush lagoon. Therefore, both ponds will never be full simultaneously. Refer to
<br /> •-� Effluent Calculations, Appendix F.
<br /> C. Please note that the projected capacity is higher than the required capacity. j
<br /> P
<br /> f .
<br /> Refer to page 22 for Endnotes and Reference Sources
<br /> Western Dairy Design Associates,Inc.2003
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