> For the complete documentation index, see [llms.txt](https://swatplus.gitbook.io/io-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/tiledrain.str/lat_ksat.md).

# lat\_ksat

The lateral saturated hydraulic conductivity is determined based on the vertical saturated hydraulic conductivity ([soil\_k](/io-docs/introduction-1/soils/soils.sol/soil_k.md)).