Environmental Rules in Matthews, NC (2026)
4 verified environmental rules for Matthews, North Carolina, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Matthews operates under a Phase II NPDES MS4 permit and the Mecklenburg County Post-Construction Stormwater Ordinance. New development disturbing over 1 acre must install stormwater control measures (SCMs) and meet 85 percent TSS removal.
Environmental: Stormwater
Heavy RestrictionsErosion Control
Matthews enforces the NC Sedimentation Pollution Control Act (NCGS 113A-50) through Mecklenburg County Land Development. Any earth disturbance over 1 acre requires an approved erosion and sediment control plan and financial surety.
Environmental: Erosion Control
Heavy RestrictionsFlood Zones
Matthews participates in the NFIP and enforces FEMA floodplain regulations along Four Mile Creek, McAlpine Creek, and their tributaries. Construction in Special Flood Hazard Areas (SFHAs) requires a floodplain development permit and lowest-floor elevation at least 2 feet above BFE.
Environmental: Flood Zones
Heavy RestrictionsGrading & Drainage
Matthews requires grading permits for cut or fill exceeding 500 cubic yards or disturbing over 1 acre. Drainage designs must not increase peak runoff to adjacent properties and must comply with the Mecklenburg County drainage ordinance.
Environmental: Grading Drainage
Some RestrictionsLooking for Mecklenburg County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Matthews city rules.
Environmental Rules in Mecklenburg County →