Water-carrying household appliance, in particular washing machine or washer-dryer, comprising - a treatment chamber for cleaning articles therein, - a water duct (22, 24, 36) which leads away from the treatment chamber and which leads towards the treatment chamber, - a receptacle (50, 150, 250, 350, 450) for detergent (55, 155, 255, 355, 455, 555, 655) connected to the water duct (22, 24, 36), wherein the receptacle for detergent comprises a detergent container (53, 153, 253, 353, 453, 553, 653) and is arranged within the household appliance, - a filter device for filtering out particles, in particular fibers and/or microplastics, from water which is guided in the water duct (22, 24, 36) which is connected to the water duct, - a receptacle (60, 160, 260, 360, 460) for filtrate (65, 165, 265, 365, 465, 565, 665) from the filter device, which is connectable or connected to the filter device, - the receptacle (60, 160, 260, 360, 460) for filtrate has a filtrate container (63, 163, 263, 363, 463, 563, 663), - the receptacle (50, 150, 250, 350, 450) for detergent (55, 155, 255, 355, 455, 555, 655) is firmly connected to the receptacle (60, 160, 260, 360, 460) for filtrate (65, 165, 265, 365, 465, 565, 665) in such a way that they form part of an independently manageable structural unit (49, 149, 249, 349, 449, 549, 649), - the filtrate container (63, 163, 263, 363, 463, 563, 663) and the detergent container (53, 153, 253, 353, 453, 553, 653) are closed to the outside, - the filtrate container or the structural unit (49, 149, 249, 349, 449, 549, 649) can be removed from the household appliance, characterized in that - the domestic appliance has a fill level measuring device for the filtrate container (63, 163, 263, 363, 465, 563, 663), which is designed to detect the fill level, the fill level measuring device being connected to a controller of the domestic appliance. - a treatment chamber for cleaning articles therein, - a water duct (22, 24, 36) which leads away from the treatment chamber and which leads towards the treatment chamber, - a receptacle (50, 150, 250, 350, 450) for detergent (55, 155, 255, 355, 455, 555, 655) connected to the water duct (22, 24, 36), wherein the receptacle for detergent comprises a detergent container (53, 153, 253, 353, 453, 553, 653) and is arranged within the household appliance, - a filter device for filtering out particles, in particular fibers and/or microplastics, from water which is guided in the water duct (22, 24, 36) which is connected to the water duct, - a receptacle (60, 160, 260, 360, 460) for filtrate (65, 165, 265, 365, 465, 565, 665) from the filter device, which is connectable or connected to the filter device, - the receptacle (60, 160, 260, 360, 460) for filtrate has a filtrate container (63, 163, 263, 363, 463, 563, 663), - the receptacle (50, 150, 250, 350, 450) for detergent (55, 155, 255, 355, 455, 555, 655) is firmly connected to the receptacle (60, 160, 260, 360, 460) for filtrate (65, 165, 265, 365, 465, 565, 665) in such a way that they form part of an independently manageable structural unit (49, 149, 249, 349, 449, 549, 649), - the filtrate container (63, 163, 263, 363, 463, 563, 663) and the detergent container (53, 153, 253, 353, 453, 553, 653) are closed to the outside, - the filtrate container or the structural unit (49, 149, 249, 349, 449, 549, 649) can be removed from the household appliance, characterized in that - the domestic appliance has a fill level measuring device for the filtrate container (63, 163, 263, 363, 465, 563, 663), which is designed to detect the fill level, the fill level measuring device being connected to a controller of the domestic appliance.