> 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/landuse-and-management/landuse.lum/sep.md).

# sep

The pointer to the septic file is a foreign key referencing [name](/io-docs/introduction-1/structural-practices/septic.str/name_sepdb.md) in [**septic.str**](/io-docs/introduction-1/structural-practices/septic.str.md).