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<br />result in an increase in any pollutant of which the body is <br />already impaired? <br /> <br />O. Tributary to other environmentally sensitive areas? If so, <br />can it exacerbate already existing sensitive conditions? <br /> <br />P. <br /> <br />Have a potentially significant <br />surface water quality to either <br />waters? <br /> <br />environmental impact or <br />marine, fresh or wetland <br /> <br />R. Cause or contribute to an exceedance of applicable surface <br />or groundwater receiving water quality objectives or <br />degradation of beneficial uses? <br /> <br />S. Impact aquatic, wetland or riparian habitat? <br /> <br />Less than Significant Impact <br /> <br />The City of Santa Ana is included within four watersheds, San <br />Diego Creek, Santa Ana River, Talbert and Westminster. Each of <br />these watershed areas are under the jurisdiction of the Santa <br />Ana Regional Water Quality Control Board and subj ect to the <br />objectives, water quality standards and Best Management Practice <br />requirements established in the Santa Ana River Basin Plan and <br />Orange County Drainage Area Management Plan. The City of Santa <br />Ana implements the goals, obj ecti ves and requirements of the <br />Basin Plan and Drainage Area Management Plan through the City's <br />Local Implementation Plan. <br /> <br />Implementation of the proposed proj ect should not change any <br />drainage flow or alter any existing drainage patterns on the <br />project site since the project involves only the subdivision of <br />land without any new buildings or construction. The project site <br />and surrounding area is improved with drainage facilities. <br />Implementation of the proposed project would not alter existing <br />drainage patterns or significantly increase existing rates of <br />surface water runoff since the project only involves the <br />subdivision of property without any physical changes to the <br />project site. According to the City's Public Works Department <br />the existing drainage facilities within the project area would <br />provide adequate drainage for the proposed project. <br /> <br />Nuisance flows on the project site should not change since there <br />is no new construction and the project only involves the <br />subdivision of air space and land. Nuisance flows are defined <br />as runoff that occurs during periods that are not usually <br />associated with rainfall, and are most commonly produced from <br />landscaping irrigation, leaking pipes, and water used to wash <br />off surfaces tributary to the street. Since nuisance flows <br /> <br />10 <br /> <br />31A~20 <br />