OC DFIRM Flood Hazard Area

<div style='text-align:Left;'><div><div><p><span>The Flood Hazard Area feature class was obtained from the Federal Emergency Management Agency's (FEMA's) contractors, FMSM, in August, 2006. The data was then updated in November, 2022 from FEMA’s website. This polygon feature class represents the flood hazard areas present in the Digital Flood Insurance Rate Map (DFIRM) database. The maps are effective as of September 29, 2006 . The scale of the data collection is 1:12,000. See the original metadata document for additional information. New data was sent to Oakland County in December, 2006 to reflect a LOMR done in the Troy area.</span></p></div></div></div>

本洪水灾害区要素类（Flood Hazard Area feature class）于2006年8月从美国联邦紧急事务管理局（Federal Emergency Management Agency，简称FEMA）的承包商FMSM处获取。该数据集随后于2022年11月通过FEMA官方网站完成更新。此多边形要素类代表了数字洪水保险费率图（Digital Flood Insurance Rate Map，简称DFIRM）数据库中收录的洪水灾害区域，该地图的生效日期为2006年9月29日。数据采集比例尺为1:12000，更多详细信息请参阅原始元数据文档。2006年12月，新数据被发送至奥克兰县，以体现特洛伊地区完成的LOMR修订工作。