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Environmental Checklist Hydrology and Water Quality <br /> Initial Study – Mitigated Negative Declaration 55 <br />9 Hydrology and Water Quality <br /> <br />Potentially <br />Significant <br />Impact <br />Less than <br />Significant <br />with <br />Mitigation <br />Incorporated <br />Less than <br />Significant <br />Impact No Impact <br />Would the project: <br />a. Violate any water quality standards or <br />waste discharge requirements? □ □ ■ □ <br />b. Substantially deplete groundwater <br />supplies or interfere substantially with <br />groundwater recharge such that there <br />would be a net deficit in aquifer volume <br />or a lowering or the local groundwater <br />table level (e.g., the production rate of <br />pre-existing nearby wells would drop to a <br />level that would not support existing land <br />uses or planned uses for which permits <br />have been granted)? □ □ ■ □ <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, in a manner that would <br />result in substantial erosion or siltation <br />on- or off-site? □ □ ■ □ <br />d. Substantially alter the existing drainage <br />pattern of the site or area, including the <br />course of a stream or river, or <br />substantially increase the rate or amount <br />of surface runoff in a manner that would <br />result in flooding on- or off-site? □ □ ■ □ <br />e. Create or contribute runoff water that <br />would exceed the capacity of existing or <br />planned stormwater drainage systems or <br />provide substantial additional sources of <br />polluted runoff? □ □ ■ □ <br />f. Otherwise substantially degrade water <br />quality? □ □ ■ □ <br />352