Surface Water Quality

​Maintenance of Best Management Practices​​

Best Management Practices (BMPs) are non-structural and structural stormwater practices that manage stormwater generated by impervious surfaces and/or remove pollution from stormwater before it drains into local streams and lakes. Another name for structural BMPs is Stormwater Control Measures (SCMs) or green infrastructure. No matter the name, they all store, absorb and/or filter stormwater to reduce flood risks and improve water quality. Examples of common structural BMPs are dry detention ponds, grass swales, bioretention or rain gardens, sand filters, stormwater wetlands, and wet ponds.

Sin​ce the late 1970s, thousands of privately owned structural BMPs have been built throughout the City of Charlotte and Mecklenburg County. Long term maintenance of these structures to their original design and function is required and critical for managing stormwater generated by land development.

Long term maintenance of all structural BMPs to original design is REQUIRED.

Regulatory staff will send property owners inspection reports and maintenance notices if maintenance or repairs are needed. Failure to maintain a structural BMP can result in fines. Enforcement is used to ensure structural BMPs are maintained. Regulatory staff work with property owners to gain compliance and are available to assist property owners with ordinance requirements. BMPs fail due to lack of maintenance, they may be very costly to repair. Routine maintenance helps property owners avoid those potentially high costs.

​Beginning in 2005, local municipalities began adopting Post Construction Stormwater Ordinances (PCSOs). These ordinances included more rigorous structural BMP design and maintenance requirements than previous land development regulations.

*For BMPs, built after a local PCSO was adopted, an annual inspection report is required.

​For maintenance tips of the most common structural BMPs, see the following brochures.

For more comprehensive information about structural stormwater BMPs, their maintenance needs and common problems, see the following manuals.


Corey Priddy

Mecklenburg County Environmental Supervisor

Gurveer Uppal, PE

City of Charlotte Post-Construction Stormwater Ordinance Administrator