Water Services, Stormwater

Stormwater Management Manual

The 2009 Revision of the Metro Stormwater Management Manual is now available.  Please see theStormwater Manual Notice of Proposed Change for details on which items have changed.  Volume 3 was not updated.

Current Stormwater Management Manual

2009 SWMM Letter to the Mayor – Letter from Scott Potter, Director of Metro Water Services, to Mayor Karl F. Dean requesting the approval of the 2009 Stormwater Management Manual revisions.

Site Development Tool

A Site Development Tool has been created to aid engineers in designing the water quality treatment for a project. This program can be downloaded onto your computer and used to calculate if a site meets Metro’s water quality requirements.

To ensure we are able to send out any updates to this tool, we are now requesting you to enter your e-mail address before this tool can be downloaded.

Registration Information






Clicking the "Download Tool" button will allow you to download a zip file containing the necessary components (instructions for use and executable files). If your computer does not contain a required system file, please also download and run the dotnetfix tool to resolve this problem.

For questions relating to the 2009 Stormwater Management Manual:

Rebecca Dohn
1607 County Hospital Road
Nashville, TN 37218
Phone: (615) 880-2420
Fax: (615) 880-2425

To purchase a copy of the 2006 Stormwater Management Manual, please contact:

JoAnn Brown
800 Second Avenue South
Nashville, TN 37201
Phone: (615) 862-4705
Fax: (615) 862-4715