FEMA Flood Hazard Zones - Open Data

Most current Federal Emergency Management Agency (FEMA) Flood Hazard Layer. This dataset represents the current effective flood data for Hamilton County. It is a compilation of effective Flood Insurance Rate Map (FIRM) databases and Letters of Map Revision (LOMRs). For more information, visit FEMA's Map Service Center (MSC): https://msc.fema.gov/portal/home. Updated Quarterly.现行版美国联邦紧急事务管理局（Federal Emergency Management Agency, FEMA）洪水灾害图层。本数据集涵盖汉密尔顿县现行有效的洪水风险数据，由现行有效的洪水保险费率图（Flood Insurance Rate Map, FIRM）数据库与地图修订函（Letters of Map Revision, LOMRs）汇编而成。如需了解更多信息，请访问FEMA地图服务中心（Map Service Center, MSC）：https://msc.fema.gov/portal/home。该数据集每季度更新一次。