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SANTA ANA REZONE PROJECT <br />INITIAL STUDY/MITIGATED NEGATIVE DECLARATION <br />Environmental Issues <br />2.10 Hydrology and Water Quality <br />Would the project: <br />a) Violate any water quality standards or <br />waste discharge requirements or otherwise <br />substantially degrade surface or <br />groundwater quality? <br />b) Substantially decrease groundwater <br />supplies or interfere substantially with <br />groundwater recharge such that the project <br />may impede sustainable groundwater <br />management of the basin? <br />c) Substantially alter the existing drainage <br />pattern of the site or area, including <br />through the alteration of the course of a <br />stream or river or through the addition of <br />impervious surfaces, in a manner which <br />would: <br />(i) result in substantial erosion or siltation <br />on- or off -site; <br />(ii) substantially increase the rate or <br />amount of surface runoff in a manner <br />which would result in flooding on- or off - <br />site; <br />(iii)create or contribute runoff water which <br />would exceed the capacity of existing or <br />planned stormwater drainage systems <br />or provide substantial additional <br />sources of polluted runoff; or <br />(iv) impede or redirect flood flows? <br />d) In flood hazard, tsunami, or seiche zones, <br />risk release of pollutants due to project <br />inundation? <br />Less than <br />Significant <br />Potentially Impact with Less than <br />Significant Mitigation Significant <br />Impact Incorporated Impact No Impact <br />❑ ❑ ® ❑ <br />❑ ❑ ® ❑ <br />❑ ❑ ® ❑ <br />❑ <br />❑ <br />❑ <br />❑ <br />❑ <br />❑ <br />® <br />❑ <br />❑ ❑ ® ❑ <br />❑ ❑ ❑ <br />❑ ❑ ❑ <br />FCS 65 <br />Https://adecinnovations.sharepoint.com/sites/PubiicationsSite/Shared Documents/Publications/Client(PN-JN)/D327/03270D47/ISMND/0327D047 Santa Ana Rezone Project ISMND.docx <br />