Public Works

350 South 5th Street
RM 203 City Hall
Minneapolis, MN  55415-1390

Watershed Friendly Practices for Businesses

Rainleader Disconnect Program

Residential and commercial buildings sometimes have rooftop drains (also called rainleaders) which lead underground directly to the sanitary sewer system (rather than through gutters to lawns). Rainleaders typically drain down the side of a building, or internally through a roof drain stack, eventually to the storm drain system.

These drains must be disconnected because they are one of the leading causes of Combined Sewer Overflows. For more information on the CSO Program, as well as the Rainleader Disconnect Program, see Combined Sewer Overflows.

Best Management Practices

The Urban Small Sites Best Management Practice (BMP) Manual includes detailed information for managing stormwater pollution for small urban sites in a cold-climate setting.

Other Businesses Useful Links

State Stormwater Permits

Find the latest information about Minnesota's Stormwater Program. Under the state rules, owners and operators of construction activity that disturbs one acre or more of land (including smaller sites that are part of a larger development) must obtain a Combined NPDES/SDS permit from the Minnesota Pollution Control Agency (MPCA).

State stormwater related permits are also needed if you operate an industrial facility, both public and private. If you have questions about various state stormwater permits, call the MPCA Customer Assistance Center at 800-646-6247 or (651) 297-2274, or see the MPCA Stormwater website.

Watersheds Management Organizations in Minneapolis

For information regarding required permits in Minneapolis for stormwater runoff, see Watershed Management Organizations. They include the following organizations:

Bassett Creek Water Management Commission (BCWMC)

Mississippi Watershed Management Organization (MWMO)

Shingle Creek Watershed Management Commissions (SCWMC)

Minnehaha Creek Watershed District (MCWD)

Last updated Jan 23, 2017

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