Relating to the authority of a county to regulate impervious cover in the unincorporated area of the county.

HB 117 would allow Texas counties to regulate impervious surfaces (like concrete or pavement) in unincorporated areas to address flood risks. It specifically permits counties to set rules for reducing flood danger, supporting flood infrastructure projects, improving drainage, or using natural solutions like rain gardens. This applies only to rural areas outside city limits, not incorporated municipalities. The bill does not create new taxes or fees but gives counties a legal basis to manage land use for water-related safety.