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3.4 PUBLIC SERVICES AND UTILITIES <br />EXISTING SETTING <br />Water Supply. Water is supplied to the project area primarily through private <br />wells. However, the County Development Policies would require public water <br />systems. The San Joaquin Local Health District has identified and expressed <br />concern over groundwater quality problems associated with high levels of <br />trichloroethylene (TCE) found near the Trac Defense Depot located less than <br />one cuarter mita away from the nroieet siteKaufman. 19 7 All private <br />wells are individually maintained by the owner. San Joaquin County Ordinance <br />Number 1862 (dated February 20, 1973), sets forth requirements for the <br />construction, reconstruction and destruction of water wells, cathodic <br />protection wells and installation of pumps in the unincorporated areas of San <br />Joaquin County. All public well water must conform to the United States <br />Public Health Service Standards and the State, Title 22, Standards for <br />Drinking Water (Kaufman, 1987). <br />Wastewater Disposal. The project area is currently sf <br />San Joaquin County Ordinance number 549 requires that <br />apply to the Local Health District for a Sanitation P< <br />individual septic systems. All installations are sub. <br />inspection by the Local Health District. Ordinance 51 <br />_ <br />for location, installation and maintenance of sewage c <br />- <br />nearest existing wastewater trunk lines associated wit <br />located at Valpico Road and Jefferson Road (15 and 18 <br />north of Schulte Road at MacArthur Road (a 24 inch tru <br />1986). The City of Tracy's existing wastewater collec <br />both gravity and pumped flow systems. The sewer plant <br />northeast quadrant of Tracy, at Holly Drive and Arbor <br />capacity of the plant is 6.0 mgd, and is expected to b <br />capacity. This expansion is being financed by the 84 - <br />and will be completed prior to development of Specific <br />in the Residential Areas Specific Plan prepared in Jan, <br />Tracy, 1987). <br />Storm Drainage. At present, there is no integrated drainage system, and storm <br />drainage in the project area is provided on a piece -meal basis by individual <br />property owners or special districts. An irrigation canal owned by the Banta- <br />Carbona Irrigation District is located on the project site but is not intended <br />to be used for storm water runoff (Terrill, 1986). <br />The County Development Policies would require that a public drainage system <br />must serve rural residential developments, except in an area of infill <br />development where soil characteristics may support on-site drainage. The <br />County Planning Department considers it infill only if a parcel is completely <br />surrounded by rural residential development. <br />The project area has had some localized flooding but this has not been <br />significant (Gau, 1987). Groundwater tests in the past have had very little <br />variation and seem to lie generally about 40 feet in depth (Iwamiya, 1987). <br />Police Services. The San Joaquin Sheriff's Department provides police service <br />for the unincorporated areas of San Joaquin County. The Sheriff's Department <br />3.4-1 <br />