To begin the process of updating it for the whole county (as opposed to the small day-to-day changes it makes regularly), the river authority first draws up a draft for FEMA, which it recently submitted. “In this case, the biggest driver was that the National Weather Service and released updated rainfall estimates.”Īs a “cooperating technical partner” of FEMA, the river authority is the official maintainer of Bexar County’s floodplain maps. While FEMA is required to review its flood insurance rate maps every five years, “there’s no set schedule for how often we update the maps,” said Erin Cavazos, a senior engineer with the river authority. “The new maps seem to be more accurate,” he said, “so I was glad to see that.” He seemed unbothered by that fact, but appreciative of the information. We will provide an update when we are once again able to receive and review your information in support of improving the quality of the maps.įor help and further information about the flood maps please use our online form to contact us.Nichols, who owns an investment property on the northwest side of the city and who works as a real estate developer and construction manager, told the San Antonio Report he had seen social media ads for the meetings, and had marked the first one on his calendar to see how his property might be affected.Īccording to the maps, Nichols’ property, which is undeveloped, is in the floodplain. Please note that due to the complex cyber-attack in December 2020 which impacted SEPA internal systems, we are currently unable to review and update our flood maps based on local information or more detailed studies. įor more information, please visit our Frequently Asked Questions. The flood maps are now available as Geographic Information Systems (GIS) datasets under Open Government Licence (OGL) and are available for anyone to use and download from SEPA’s Data Publication webpage. Natural susceptibility to coastal erosion.Flood extent, depth and velocity for river, coastal and surface water.To help the resilience community be better prepared for flood events and provide an expectation about the potential impacts of flooding on our communities.Īs a key tool for flood risk management planning, to identify the most effective actions to manage flood risk and develop plans to tackle flooding. To support decision making in land use planning to avoid development in flood risk areas as a first principle and identify where further assessment of risk may be required. Flood hazard/extent maps for all sources of flooding (river, coastal and surface water)įor planning applicants, developers, planning authorities etc.These maps are a tool to promote an individual’s responsibility for their own flood protection and preparation. To check flood risk and increase awareness and understanding of flooding. To determine which viewer will benefit you, please find information below: We currently have two map viewers available. The flood maps are a public tool and used by a wide variety of people for a range of work. The maps show you areas which are likely to flood from rivers, the sea and surface water. Our flood maps are designed to help you understand how you could be affected by flooding.
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