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SAN LEANDRO GENERAL PLAN <br />ENVIRONMENTAL JUSTICE <br />EJ-11 <br />percentile rankings across the city. Neighborhoods in San Leandro that <br />are most proximal to Large Quantity Hazardous Waste Generators <br />include Davis West-Timothy Drive, Eastshore-Davis Street, and Floresta <br />Gardens. <br />Groundwater Threats. Hazardous chemicals are often stored in <br />containers in aboveground or underground storage tanks. Leaks from <br />these containers and tanks can conta minate soil, groundwater, and surface <br />water. <br />Common pollutants of soil and groundwater include gasoline and diesel <br />fuel from gas stations, as well as solvents, heavy metals, and pesticides.10 <br />San Leandro is part of the East Bay Plain Subbasin. Historically, <br />commercial and industrial activities in the Subbasin have resulted in <br />releases of pollutants to the soil, groundwater, and surface water.11 <br />Across San Leandro, many neighborhoods have elevated levels of <br />groundwater impacts. Figure EJ-4 depicts the CalEnviroScreen percentile <br />rankings for groundwater impacts and identifies the site locations that <br />influence the ranking. Roughly 50 percent of the city has significant <br />impacts. All three identified Environmental Justice Communities are <br />included within impacted areas of the city. <br />Domestic use of water includes drinking, food preparation, bathing, <br />washing clothes and dishes, flushing toilets, and watering lawns and <br />gardens. Potable water in the city is provided by the East Bay Municipal <br />Utility District (EBMUD) and is almost entirely sourced from the <br />Mokelumne River Watershed on the western slope of the Sierra Nevada.9 <br />According to CalEnviroScreen, drinking water across all San Leandro <br />neighborhoods is among the top 5 percent for drinking water quality <br />relative to all census tracts in the state. Deed restrictions prevent certain <br />uses of groundwater at some properties that have been remediated, but <br />are still too contaminated for residential use. <br /> <br />10 California Office of Environmental Health Hazard Assessment (2022). <br />Groundwater Threats. Available at: <br />https://oehha.ca.gov/calenviroscreen/indicator/groundwater-threats. <br />11 Luhdroff & Scalmanini Consulting Engineers. East Bay Municipal <br />Utility District GSA and the City of Hayward GSA (2022). East Bay Plain Subbasin <br />Groundwater Sustainability Plan.