![]() Remember, if you are in the 100-year floodplain, your chance of flooding during the life of a 30-year mortgage is about 1 in 4. So it’s best to get flood insurance now if you don’t have it. In the meantime, you should assume that the old floodways will expand into the 100-year floodplain and the 100-year floodplain will expand into the 500-year floodplain. It could take another 3+ years before we see final maps. People who have received no flood mitigation help so far from the bond will suffer more in this regard than those who have.įollowing the public comment and review periods, FEMA will revise floodplain maps as necessary and then release final versions. Other people will no doubt question the validity of the data, because expanded floodplains may adversely affect their property values. Maps that do not reflect such improvements could raise flood insurance rates. During those meetings, partners will explain the results and the public will get a chance to ask questions and/or protest the results.įor instance, some people may have raised the elevation of their buildings since development of the new maps. After the release, expect a series of public meetings. Preliminary Maps Coming in Few MonthsįEMA should release PRELIMINARY Flood Insurance Rate Maps this summer or fall. HCFCD has completed its part of the work and estimates FEMA has completed 20% of its at this point. This graphic shows the timetable and stages. Within the next few months, FEMA will release new floodplain maps. Harris County Flood Control District then modeled updated rainfall probability statistics (Atlas-14 data) from NOAA against the terrain data.įEMA is now reviewing the results and validating data. They used LiDAR data with 9 times more resolution than the maps developed after Tropical Storm Allison in 2001. It began by acquiring new, more accurate topographic (elevation) data for every watershed in the county and surrounding areas. In response, the Harris County Flood Control District, NOAA and FEMA launched the MAAPNext project. In the wake of back-to-back-to-back 500-year floods in 2015, 2016, and 2017, it became clear that the floodplain maps which guided development in Harris County woefully underestimated the real flood risk in the region. MAAPNext stands for the next-level Modeling, Assessment and Awareness Project. ![]() ![]() In related news, the entire northeastern part of Harris County is still getting less than one thousandth of one percent of all active construction spending on bond projects.įor more detail read on. New Flood Insurance Rate Maps (floodplain maps) should be released within the next six months. On Tuesday, 5/24/22, the Flood Control District transmitted updates on two projects ( MAAPNext and the 2018 Flood Bond) to Harris County Commissioners. ![]()
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