> 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/hydrologic-response-units/hru-lte.hru/irr_src.md).

# irr\_src

outside\_bsn - outside basin

shal\_aqu - shallow aquifer

deep\_aqu - deep aquifer