75A - PH - ORDINANCE AMEND SAMC TELECOM FACILITIES

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The City of Santa Ana receives 66% of its water from underground water supplies. The underground water basin in the City ranges from -50-feet to +40-feet above sea level. Presently, the City pumps underground water from 21 water wells. Fourteen of the water wells pump ground water into small surface reservoirs. The remaining seven water wells pump underground water into the City's distribution system. Approval of the proposed amendment to the Municipal Code to establish development standards and a permitting process for the installation of telecommunication devices in the public right of way within the City of Santa Ana would not result in adverse impacts to underground water supplies or prevent the recharge of underground water supplies, in that approval of the proposed ordinance would not involve any activities that would impact underground water supplies or provide impervious surfaces that would prevent the recharge of underground water supplies. 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 storm water drainage systems or provide substantial additional sources of polluted run-off? L. Result in increased impervious 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 City of Santa Ana has a Master Plan of Drainage to guide the construction of adequate drainage facilities in the City. The facilities include a series of underground storm drain systems, open storm drain systems, catch basins and natural drainages. A significant drainage impact can occur when existing rates of surface water runoff are increased and existing drainage facilities are unable to accommodate the additional rates of runoff. Existing rates of surface water runoff can increase through the introduction of additional amounts of impervious surfaces, or through changes to existing drainage patterns. Approval of the proposed amendment to the Municipal Code to establish development standards and a permitting process for the installation of telecommunication devices in the public right of way within the City of Santa Ana would not alter existing drainage patterns or increase existing rates of surface water runoff, in that approval of the proposed ordinance would not introduce any additional impervious surfaces or involve the development of any activities that would impact existing drainage patterns. 75A-33