> 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/revap_min.md).

# revap\_min

Threshold depth from surface to water table for revap to occur

Movement of water from the aquifer to the unsaturated zone is allowed only if the depth from the surface to the water table is equal to or smaller than *revap\_min*.