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3. Environmental Checklist <br /> <br />San Leandro Treatment Wetland <br />IS/MND <br />3-31 February 2024 <br /> <br />3.8. Geology and Soils <br />ISSUES: GEOLOGY AND SOILS <br />POTENTIALLY <br />SIGNIFICANT <br />IMPACT <br />LESS THAN <br />SIGNIFICANT <br />WITH <br />MITIGATION <br />INCORPORATED <br />LESS THAN <br />SIGNIFICANT <br />IMPACT <br />NO IMPACT <br />Would the Project: <br />a) Directly or indirectly cause potential substantial <br />adverse effects, including the risk of loss, injury, or <br />death involving: <br />☐ ☐ ☒ ☐ <br />i. Rupture of a known earthquake fault, as <br />delineated on the most recent Alquist-Priolo <br />Earthquake Fault Zoning Map, issued by the State <br />Geologist for the area or based on other <br />substantial evidence of a known fault? <br />☐ ☐ ☒ ☐ <br />ii. Strong seismic ground shaking? ☐ ☐ ☒ ☐ <br />iii. Seismic-related ground failure, including <br />liquefaction? <br />☐ ☐ ☒ ☐ <br />iv. Landslides? ☐ ☐ ☒ ☐ <br />b) Result in substantial soil erosion or the loss of <br />topsoil? <br />☐ ☐ ☒ ☐ <br />c) Be located on a geologic unit or soil that is <br />unstable, or that would become unstable as a result <br />of the project, and potentially result in on- or off-site <br />landslide, lateral spreading, subsidence, liquefaction <br />or collapse? <br />☐ ☐ ☒ ☐ <br />d) Be located on expansive soil, as defined in Table <br />18-1-B of the Uniform Building Code (1994), creating <br />substantial direct or indirect risks to life or property? <br />☐ ☐ ☐ ☒ <br />e) Have soils incapable of adequately supporting <br />the use of septic tanks or alternative wastewater <br />disposal systems where sewers are not available for <br />the disposal of wastewater? <br />☐ ☐ ☐ ☒ <br />f) Directly or indirectly destroy a unique <br />paleontological resource or site or unique geologic <br />feature? <br />☐ ☐ ☒ ☐ <br />Discussion <br />a) Earthquake and Landslide Risk (a.i-a.iv): The Alquist-Priolo Earthquake Fault Zoning Act requires the <br />California Department of Conservation and the California Geological Survey (CGS) to identify zones <br />around active and well-defined faults to limit the construction of structures for human occupancy near <br />active fault traces. While the Proposed Project site is not located within an Alquist-Priolo Earthquake