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Quality Control Board (RWQCB) design standards (see the RWQCB's "Fact Sheets", <br /> Appendix E) <br /> e. The soil sampling and permeability testing program will be designed to be representative of <br /> all soils lining all proposed pond areas.. <br /> f. Construction of the lagoons will be inspected by a qualified professional to ensure that <br /> geologic heterogeneities (e.g., channel deposits and sandy lenses) are identified and properly <br /> mitigated to ensure integrity of the-liner in compliance with the RWQCB standards. The liner <br /> will be protected against damage during operation and maintenance activities. <br /> l _ <br /> g. Site drainage is included in the project design and construction of any manured area (dairy <br /> surroundings, corrals, and ramps, etc.) pursuant to Title 3, Division 2, Chapter 9, Article 22, <br /> §646.9 of the California Code of Regulations to ensure that ponding does not occur. <br /> h. Regular maintenance of corrals and dry manure storage areas will include filling of <br /> j depressions. Dairy personnel will be taught to correctly use manure collection equipment. <br /> J. The potential for discharge of water-borne pathogens to existing and proposed domestic water <br /> supply wells will be minimized by ensuring that the domestic wells are constructed in <br /> accordance with the California Well Standards and that appropriate minimum setbacks (100 <br /> feet ) between wells and potential sources of pollution are maintained. <br /> F► <br /> Lagoon capacity calculations and effluent, parlor water charts, rainfall, evaporation, and the <br /> Fbalance chart calculations used to determine the required pond volumes are presented in <br /> l� Appendix F. <br /> Available Waterholding Capacity <br /> The amount of water a soil can hold, and that is available for plant use, is determined by the soil's <br /> F <br /> physical properties. Soil texture and depth are the most influential factors in determining the <br /> Available Waterholding Capacity (AWC) of a soil. Many soils have varying textures at different <br /> depths. Table 1 (Appendix C) gives the general range of AWC .per foot of depth for several soil <br /> Ftextures. <br /> Considering a crop with a 60-inch effective root, the values of inches of water per inch of soil were. <br /> rl� obtained from the soil survey tables. <br /> Fi <br /> F� See Page 47 for References and Bibliography <br /> ©Westem Dairy Design Associates,Inc.2003 <br /> r Page 34 <br />