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On Site Sources of Nitrogen <br /> • Feed storage areas: <br /> The feed storage areas are sloped to drains that flow to a storage pond. <br /> • Domestic septic systems: <br /> There are eight existing septic systems at the dairy facility. Their locations are: <br /> • One at the old milking parlor for employees. <br /> • One at the main residence at the dairy facility <br /> • One at the employee duplex at the dairy facility <br /> • One at each of the two mobile homes at the dairy facility <br /> • One at each of the employee residences at the dairy facility <br /> • One at the heifer facility <br /> There will also be one for the employees at the future milk parlor. <br /> The human effluent septic systems are considered to be insignificant. <br /> • Corral runoff: <br /> Corral runoff is directed to drains that are strategically located to collect all site runoff and conduct it <br /> to the settling ponds. Areas that do not gravity flow are pumped to the lagoon system. <br /> • Agricultural liquid waste storage ponds: <br /> There are four existing nutrient laden water storage areas. There are three settling ponds, and one <br /> flush lagoon. There is also one future settling pond that will be built during phase IL (Reference the site <br /> plan for locations). The new settling pond will have clay that will meet the requirement by the State <br /> Water Quality Control Board of a minimum of 10%clay content at the liner of a liquid storage lagoon. <br /> The settling pond effluent will not end up in the liquid calculations for it remains as moisture in the <br /> solids that are collected at the settling ponds. <br /> • Agricultural solids storage areas: <br /> There are two classifications of surface manure effluent storage areas, the composting area and the <br /> cattle corrals. These areas will be graded with slopes to cause runoff to flow to drains that conduct it to the <br /> settling ponds. These areas will be evaluated upon completion of the grading. The evaluation will consist <br /> of random soil sampling that will be analyzed for clay content. These results will be required to meet the <br /> minimum requirement to contain a minimum 10%clay. <br /> ®Western Design/David Avila 2001 17 <br />