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Community Plan Exemption Checklist <br />City of Santa Ana Gary Avenue Business Park Project <br /> <br />67 <br /> <br /> Project Peculiar <br />Impact that is <br />not <br />Substantially <br />Mitigated by <br />Uniformly <br />Applied <br />Policies <br />Significant <br />Impact not <br />Analyzed as <br />Significant in <br />the Prior EIR <br />Potentially <br />Significant <br />Offsite or <br />Cumulative <br />Impact not <br />Discussed <br />in the prior <br />EIR <br />Adverse <br />Impact <br />More Severe <br />based on <br />Substantial <br />New <br />Information <br />No <br />New <br />Impact <br />5.10 HYDROLOGY AND WATER <br />QUALITY. Would the project: <br /> <br />a) Violate any water quality standards or waste <br />discharge requirements or otherwise <br />substantially degrade surface or ground water <br />quality? <br /> <br />b) Substantially decrease groundwater supplies <br />or interfere substantially with groundwater <br />recharge such that the project may impede <br />sustainable groundwater management of the <br />basin? <br /> <br />c) Substantially alter the existing drainage <br />pattern of the site or area, including through the <br />alteration of the course of a stream or river or <br />through the addition of impervious surfaces, in a <br />manner which would: <br /> <br />i) result in substantial erosion or siltation on- or <br />off-site; <br /> <br />ii) substantially increase the rate or amount of <br />surface runoff in a manner which would result in <br />flooding on- or offsite; <br /> <br />iii) create or contribute runoff water which would <br />exceed the capacity of existing or planned <br />stormwater drainage systems or provide <br />substantial additional sources of polluted runoff; <br />or <br /> <br />iv) impede or redirect flood flows? <br />d) In flood hazard, tsunami, or seiche zones, risk <br />release of pollutants due to project inundation? <br /> <br />e) Conflict with or obstruct implementation of a <br />water quality control plan or sustainable <br />groundwater management plan? <br /> <br /> <br /> <br />8/22/2022 <br />Planning Commission 2 – 106