> 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/aquifers/aquifer.aqu/flo_min.md).

# flo\_min

Threshold depth from surface to water table for groundwater flow to occur

Groundwater flow is allowed only if the depth from the surface to the water table is equal to or smaller than *flo\_min*.