> 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.md).

# Structural Practices

There are five structural practices that can be applied in SWAT+: 

* Tile drainage: [tiledrain.str](/io-docs/introduction-1/structural-practices/tiledrain.str.md) 
* Filterstrip: [filterstrip.str](/io-docs/introduction-1/structural-practices/filterstrip.str.md) 
* Grassed waterway: [grassedww.str](/io-docs/introduction-1/structural-practices/grassedww.str.md) 
* User BMP: [bmpuser.str](/io-docs/introduction-1/structural-practices/bmpuser.str.md) 
* Septic system: [septic.str](/io-docs/introduction-1/structural-practices/septic.str.md)