Sentence:  Domestic sewage is composed primarily of used up or spent water which contains faecal matter, urine, soapy wastes, waste parts of food materials, rejected or cut parts of vegetables, waste or used up papers, dirt of floor and <WSD>sweepage</WSD> items and used up or dirty water. 
Meaning of the word marked with <WSD> tags:  Detritus that is swept up with a broom or similar implement.