Metro Nashville requires stormwater management under Title 15, Chapter 15.64 of the Metropolitan Code. All development must comply with the Metro Stormwater Management Manual. Grading permits are required for land disturbance, and post-construction stormwater controls must manage runoff from impervious surfaces. Metro Water Services administers the stormwater program funded by a dedicated stormwater user fee.
Nashville adopted its stormwater management ordinance in 1979 (Ordinance No. 78-840) and has updated it significantly since. Chapter 15.64 requires that new development and redevelopment incorporate stormwater best management practices (BMPs). Projects disturbing one acre or more require a Stormwater Pollution Prevention Plan (SWPPP) and must obtain coverage under the Tennessee NPDES Construction General Permit. Metro Water Services reviews stormwater management plans and inspects BMPs during and after construction. A stormwater user fee funds infrastructure maintenance and flood mitigation projects throughout Davidson County.
Failure to obtain required stormwater permits or comply with approved plans can result in stop-work orders, fines up to $5,000 per day per violation, and required remediation. Metro Codes may issue civil penalties and refer repeat violators for criminal prosecution under state law.
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See how Nashville's stormwater management rules stack up against other locations.
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