Building Sewers and Drains in Combined Sewer Areas.
Milwaukee Code of Ordinances § 225-12
in effect225-12. Building Sewers and Drains in Combined Sewer Areas.
1. INTERIOR PLUMBING. All building sanitary drains shall be connected to a public sanitary or combined sewer, approved private main sanitary sewer or private sewage system, except that a combined building sewer may be used, starting at a point 5 feet outside the building where the building is served by a combined municipal sewer.
2. SANITARY AND STORM WATER CONNECTIONS. The building sanitary sewer and building storm sewer shall be installed as 2 separate piping systems and shall connect to the appropriate street or public sewer except that a combined building sewer may be used, starting at a point 5 feet outside the building where the building is served by a combined municipal sewer.
3. SEGREGATION OF WASTES. Clear water from a refrigerated drinking fountain, water heater relief valve or water softener may discharge to a sanitary drain system, and a combined building sewer may be used, starting at a point 5 feet outside the building where the building is served by a combined municipal sewer.
Source: City of Milwaukee Legislative Reference Bureau, Milwaukee City Charter and Code of Ordinances (city.milwaukee.gov master PDFs)URL: https://city.milwaukee.gov/ImageLibrary/Groups/ccClerk/Ordinances/Volume-2/CH225.pdf#page=7Fetched: 10/26/2026