Stormwater Management Manual
The 2012 revisions to the Stormwater Management Manual have been approved and are in effect. Please see the following document for the list of changes that were made:
Updates to Metro Nashville’s Stormwater Management Manual, Volumes 1 and 2
Stormwater Management Manual
Volume 5 of the Stormwater Management Manual (SWMM), the LID Manual, is an alternate compliance path to the average annual post construction total suspended solids (TSS) removal efficiency method described in Volumes 1 and 4. Please see The LID Manual for updates and additional information.
You may be eligible for a reduction in your Stormwater User Fee! Please see the Stormwater User Fee Credit Manual for more information.
Site Development Tool
A Site Development Tool has been created to aid engineers in designing the water quality treatment for a project based on the TSS removal efficiency method. 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.