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Public Review Draft <br />Page 32 San Leandro 2021 Climate Action Plan <br />Climate Change Assessment estimates that taking no action to address the potential impacts of <br />climate change will lead to economic losses of “tens of billions of dollars per year in direct costs” <br />and “expose trillions of dollars of assets to collateral risk.” <br />As the climate continues to change and GHG emissions rise, climate change hazards will continue <br />to harm populations, infrastructures and buildings, economic drivers, and key community services <br />in San Leandro. The 2021 CAP includes goals, policies, and strategies that will help reduce GHG <br />emissions within the City and increase resiliency. <br />Figure 8 shows the SLR, flooding, and wildfire hazard areas in San Leandro, which are expected <br />to be the hazards that may have the greatest impacts on specific locations within the community. <br />Bayshore Flooding <br />Low-lying coastal areas, such as the Oyster Bay Regional Shoreline, San Leandro Shoreline, and <br />Mission Bay are most susceptible to the effects of bayshore flooding. <br />Households within the Mulford Gardens, Marina Faire, and Heron Bay neighborhoods will be <br />affected by bayshore flooding. 27, 28 Low-income households may live in structures that are not <br />water-proofed or built above the current 100-year flood elevation. Bayshore flooding can damage <br />homes, cause mildew and mold to grow, and destroy infrastructure. The Mission Bay and Sandev <br />mobile home parks are within the 2050 bayshore flooding area.29 Mobile homes are generally less <br />resilient than conventionally-built structures and more susceptible to damage. <br />Additionally, many industrial centers are within the bayshore flooding area.30 Flooding can interrupt <br />economic activity and damage buildings or cause the release of harmful chemicals used in industrial <br />processes. <br />Multiple freight lines are within the bayshore flood areas in San Leandro. Coastal flooding can <br />damage track bed and ballast material, and the entire local rail system could shut down, interrupting <br />both freight and passenger rail services. Rail lines can be hardened and protected through both <br />natural and fabricated coastal protection infrastructure. However, these options are expensive and <br />may not always be feasible. Rail systems are also owned by different entities, so consistent <br />adaptation strategies may be difficult to implement and fund. 31 <br />Water and wastewater services can be disrupted by bayshore flooding if wastewater treatment <br />plants’ functionality is disrupted. The San Leandro Water Treatment Plant is within the 2050 <br />bayshore flooding area. Bayshore flooding can exacerbate wet weather flows into the treatment <br />plant and prevent the plant from functioning properly 32. Pumps and control panels that are not <br />water-proofed or salt resistant could fail. Failure of treatment plants pumps could cause sewer <br />systems to back up and potentially contaminate streams and water systems with raw sewage. <br />. <br />76