Tofu industry activities in Indonesia are dominated by small-scale businesses with limited capital. In terms of location, this business has also spread throughout Indonesia. In each stage of the process of making tofu requires materials, energy, some additional materials, and the use of technology that is still simple, so that the tofu industry has not implemented liquid waste management properly, research with the application of clean production is one way of influencing the management of liquid waste in the tofu industry.

Keywords : Liquid Waste, Tofu Industry, Clean Production.