​Local governing bodies adopt and maintain regulations to promote public health and safety, minimize public and private losses due to flood conditions, and protect surface waters and the natural functions of floodplains. The State legislature authorizes local governments to adopt and enforce ordinances to address local needs and to meet federal and state requirements.

Stormwater Management Permit

  • Required for development and/or redevelopment activities.

  • Issued by Mecklenburg County Land Development in coordination with the jurisdiction.

  • Governs the design, installation, and construction of stormwater management and control practices on the site, including structural Best Management Practices (BMPs).

  • Without a permit, each day of a continuing violation constitutes a separate offense and an additional fine of up to $5,000 per ​day.

Steps for Permit and Plan Review

Concept Plan

    • Plans and calculations (must be sealed by professional designer)

    • Address verification form signed by County GIS Department

    • Traffic Impact Study/Analysis (TIS/TIA)

    • Fee payment submitted with first submittal

  • As part of the Concept Plan application, the applicant can request an optional consultation meeting with staff.

  • Mitigation Options

    • To provide flexibility and reduce compliance costs, mitigation options are available on a case-by-case basis. Mitigation allows the applicant to request permission to create storm water management devices off-site or apply for payment-in-lieu of creating storm water management devices.

Stormwater Management Permit (SWMP)

  • Staff will review the Permit Application and associated submittals within 21 calendar days. Submittals that do not comply will be returned with "redlines." According to Post-Construction regulations, the applicant has 60 calendar days to resubmit their corrected plan submittal or otherwise face starting all over with additional fees.

​Permit Issuance/Pre-Construction Conference

  • The Stormwater Management Permit will be issued following approval of plans and applications.

  • Once the applicant has received the Permit, it is valid for three years or until construction is completed.

  • After the Permit has been issued, staff will initiate and conduct a pre-construction conference.

Construction, Inspections and Plats

  • Staff will conduct on-site inspections during development and/or construction.

  • Written notice will be issued for site deficiencies.

Stormwater Bonds and Certificates of Occupancy​

Final Inspection and Approval of BMPs

  • An engineering certification must be prepared by the applicant's design engineer declaring that the BMPs are in compliance with previously-approved plans.

  • Staff will review the documents and perform an inspection of the project site for compliance with all Post-Construction Ordinance (PCO) requirements including BMP installation.

  • Once compliance is confirmed, the BMP installation bond will be released and an As-Built Approval email will be sent to the design engineer.

Long-Term BMP Maintenance

  • All BMPs must be inspected annually by a registered professional engineer or landscape architect within one year of receipt of as-built approval.

  • Please note a transfer of BMP maintenance is not allowed in the Town of Cornelius.

  • Submit the BMP Maintenance and Inspection Checklist to:
    Mecklenburg County
    Land Use & Environment Services Agency
    Permitting and Compliance Program
    2145 Suttle Ave.
    Charlotte, NC  28208
    Attn: Heather Davis

Appeals and Variances

  • An appeal may be initiated by any aggrieved person affected by any decision, order, requirement or determination relating to the interpretation or application of the Post-Construction Stormwater Ordinance (PCO), including penalty assessment.

  • Submit forms and documents to:
    Mecklenburg County
    Land Use & Environment Services Agency
    Water Quality Program
    2145 Suttle Ave.
    Charlotte, NC  28208
    Attn: Stormwater Administrator​​