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Rainleader Ordinance Factsheet

Chapter 511.190: Prohibited Discharges to Sanitary Sewers

The City of Minneapolis has been separating its sanitary sewer system from its stormwater drainage system to reduce the number of Combined Sewer Overflows (CSOs).

Rooftop drains or rainleaders connected to sanitary sewers are a major contributor to CSOs. Older buildings can have rainleaders that discharge directly into a sanitary sewer, rather than through gutters to lawns or to a storm pipe. These must be permanently disconnected from the sanitary sewer.

The goal of Chapter 511.190 is to discontinue clearwater and stormwater drainage from entering the sanitary sewer system. This ordinance authorizes the City to:

Ordinance Summary

For more information, see Chapter 511.90 - Prohibited Discharges to Sanitary Sewer

A Rainleader Disconnection representative will notify you if your property has a prohibited discharge source. Disconnection is required for all prohibited sources, regardless if it had been allowed in the past. Here are some things to keep in mind:

About your disconnection permit


Last updated Mar 1, 2019



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