EnviroAtlas - 2019 Percent Impervious Cover by 12-digit HUC for the Conterminous United States
This EnviroAtlas dataset represents the percentage of land area within each 12-digit hydrologic unit code (HUC) in the conterminous United State that is impervious to water infiltration using the National Land Cover Database 2019 (NLCD2019) Percent Developed Impervious dataset.

This dataset was produced the US EPA to …