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,1.1 Description of Site: The project consists of a 121 acre parcel located at 16464 N. Jack Tone Road, Lodi, CA. A.P.N. # 053-040-21. The project is in an agricultural community, and the existing parcel is zoned AG40. 3.2 Description of All Past On-Site Potential and/or Known Above and Below Ground Sources of Contamination Identified at the Project Site: Past on-site potential for contamination includes the raising of cows for the dairy operation, manure ponds for the liquid and fecal waste (which produce nitrates that can potentially affect ground water), limited use of farm equipment, and vehicles traveling on and off property. Past on-site potential for contamination includes raising of cows for the dairy operation, limited use of farm equipment, and vehicles traveling on and off property for the transportation of diary products. Historically there have been no underground storage tanks. The owner has no knowledge of any above ground storage of chemicals en masse. .-,' 3.3 Description of All Current On-Site Potential and/or Known Above and Below Ground Sources of Contamination Identified at the Project Site: Presently there are no underground storage tanks on the property and visual inspection did not produce any evidence of buried containers, as well as no odors that would be associated with buried chemical tanks. There are no storage tanks above ground. There are no above ground fuel tanks on the site. The site includes several outbuildings, a home, sheds, and a trailer. The site does include a small swale running from north to south on the property. On-site storm water travels along this Swale to a drainage ditch on the south right-of-way of Sargent Road. As stated above,the dairy operation includes the raising of cows, manure ponds for liquid and fecal waste, limited use of farm equipment and vehicles traveling on and off premises. 4.1 Evaluation of Each Potential and/or Known Source of Contamination Identified for any Real and/or Potential Threat to Human Health and the Environment: The depth to ground water in this area is approximately 110 feet. Due to this depth, any pesticides, insecticides, and fertilizers used on the property in the past or present, nitrates caused by the fecal matter and urine from the dairy cows, and the limited use of farm equipment and vehicles traveling on and off premises,would have a minimal impact to the ground water. The potentials for contamination from the dairy should be considered normal for a dairy and testing for nitrates on a periodic basis may be necessary to mitigate contamination potentials. Jack Tone Road is busy, there are fuels, and oils that vehicles traveling this way may drop onto the asphalt and during wet weather may runoff onto the side of the road and adjacent ditches. The potential homesites do not pose any significant threat to the surrounding environment. The use of approved best management practices for the containment of soil or any contaminates by straw waddles around the construction site and other practices to reduce the introduction of any dirt or contaminates into the storm runoff system will be required at the time of the construction of any homes per County Building Department.