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1* _ <br /> 5.13.5 Sewer <br /> 5.13.5.1 Environmental Setting <br /> Sewage generated on the project site is presently collected <br /> by an on-site 8-inch sewage line that extends south through the middle <br /> of the site from Fashion Square Shopping Center to Roe Drive. This <br /> 8-inch line collects sewage from both Fashion Square and Mainstreet <br /> Center. The 8-inch sewage line extends west along Roe Drive to Arnett <br /> Drive where the line then extends in a northern direction for <br /> approximately 100 feet. At this point, the sewage line crosses <br /> I; <br /> underneath the Santa Ana Freeway to Jonquil Road. On-site sewage is <br /> -- treated at the regional sewage treatment located in Fountain Valley. <br /> There is also a 12-inch sewer main in Roe Drive that could <br /> -A <br /> serve the proposed project. This line extends west from Main Street <br /> along Roe Drive, south to the north side of Santiago Creek where the <br /> main then crosses underneath the Santa Ana Freeway and extends in a <br /> westerly direction. Although this 12-inch main does not currently <br /> serve the site, it could provide sewer service to the proposed project. <br /> 5.13.5.2 Impacts <br /> -is _____ <br /> 1- Project Impact <br /> The existina uses on the site generate approximately 68,513 <br /> 1< gallons of sewage per day, assuming a generation rate of 100 gallons a <br /> day per 1,000 square feet. As indicated in Table 48, the proposed <br /> -- project is estimated to generate 490,000 gallons of sewage per day. <br /> The removal of Mainstreet Center and the construction of the <br /> proposed project would result in a net increase in sewage generation of <br /> * John Burk, City of Santa Ana, Public Works Department. <br /> ** Ibid. <br /> 186