EnviroAtlas - Tacoma, WA - People and Land Cover in Floodplains by Block Group

This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%...本EnviroAtlas数据集描述了1%年发生概率洪水危险区或0.2%……洪水危险区内的人口、土地面积以及不透水面（impervious surface）的总量与占比。