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Santa Ana Public Works Agency and the Orange County Sanitation District. B. Substantially deplete groundwater supplies or interfere substantially with groundwater recharge such that there would be a net deficit in aquifer volume or a lowering of the local groundwater table level. Have a potentially significant adverse impact on groundwater quality? Q. No Impact Construction operations for the proposed project would not require de-watering activities. The long-term operation of the proposed project would not have any impact on groundwater supplies. Additionally, the proposed project would not interfere with ground water recharge because the site is not located in an area that is known to recharge the ground water system. C. Substantially alter the existing drainage pattern of the site or area, including through the alteration of the course of stream or river, or substantially increase the rate or amount of surface runoff in a manner, which would result in flooding on or off-site? D. Create or contribute runoff water which, would exceed the capacity of existing or planned stor.m water drainage systems or provide substantial additional sources of polluted run-off? L. Result in increased ~pervious surfaces and associated runoff? M. Create a significant adverse environmental impact to drainage patterns due to changes in runoff flow rates or volumes. No Impact The project site is located within an urbanized area with improved drainage facilities. The proposed project would introduce additional amounts of impervious surfaces onto the project site. Existing rates of surface water runoff would not increase. Based on preliminary analysis of drainage conditions and facilities on the project site and surrounding area, the City's Public Works Department has 13 31A~AO