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III. PRESENT AND PAST USE OF THE SITE <br /> Except for the existing Shimozaki residence and the old house, the entire property <br /> is currently and has been a vineyard for the last 70+ years. <br /> IV EXISTING AND PROPOSED SEPTIC TANK USAGE <br /> The Shimozaki residence is 37 years old and is utilizing an on-site sewage disposal <br /> system consisting of a septic tank (1500 gallons) and one leach line 75 feet long ending with <br /> an 18 foot deep dry well. The present leach line and dry well were installed in 1985 and <br /> replaced the original leach lines. The original leach lines were installed in 1963, and <br /> consisted of a series of three leech lines branching off of two leech lines, for a total of 5 <br /> lines, 20 feet in length. These original lines silted up and failed in 1985. The Shimozakis <br /> have experienced no problems with their current septic system during its six year history. <br /> During the excavation of test pit 2 (see section VI) a leach line of the abandoned old <br /> house on the proposed parcel 1 was encountered. It was observed that this line was almost <br /> entirely silted up. <br /> It is proposed to utilize an on-site sewage disposal system for the new residence to <br /> be constructed on the proposed parcel 1. The neighbors in the immediate area also use on- <br /> site sewage disposal systems. These systems generally consist of a septic tank, leach lines, <br /> and dry wells. Several of the neighbors in the area were interviewed to determine the <br /> history of septic systems in the general area and to help in assessing the feasibility of the <br /> proposed septic system. This information is presented next: <br /> OWNER: Simpsons <br /> ADDRESS: 14206 N. Vintage Rd. <br /> LOCATION: 150 yds east of property. <br /> AGE OF HOUSE: 80 years <br /> SEPTIC SYSTEM: Yes,consists of two septic tanks, one older leech line (for laundry), and <br /> an updated (10 years ago) 75 foot leech line with an 8 foot dry well. <br /> Have had no problems with system. <br /> OWNER: Louis <br /> ADDRESS: 13887 N. Vintage Rd. <br /> LOCATION: 400 yds south. <br /> AGE OF HOUSE: 30 years <br /> SEPTIC SYSTEM: Yes, double generating system: two septic tanks and seven leech lines <br /> at 140 feet each. Have not had any problems with system in 12 year <br /> history since installation. <br /> ID E R S O, <br /> 2 P ti <br /> s <br /> Z W; <br /> 9SS 0 G\ <br /> P' <br />