The bill proposes the addition of Subchapter A-1 to Chapter 8 of the Local Government Code, allowing unincorporated areas located outside the extraterritorial jurisdiction of a municipality to incorporate as a Type C general-law municipality if they are situated in or near a special flood hazard area. The bill defines key terms such as "outdoor warning siren" and "special flood hazard area," and outlines the process for incorporation, which includes filing a petition with the county judge and adopting a flood preparedness ordinance within 90 days of incorporation.

Additionally, the bill mandates that newly incorporated municipalities must establish a flood preparedness ordinance that includes requirements for flood hazard mitigation, compliance with the National Flood Insurance Program, and the prohibition of new structures within special flood hazard areas unless certain conditions are met. It also requires the installation of outdoor warning sirens and automated barriers for flood-prone roadways. The bill emphasizes the importance of flood hazard mitigation and preparedness, ensuring that municipalities take proactive measures to protect their residents from potential flooding events.

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