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Official sources checked August 29, 2026

New Hanover County, North Carolina septic permits and requirements

Permitting authority

New Hanover County Environmental Health — On-Site Water Protection

New Hanover County Environmental Health: 910-798-6667; 230 Government Center Drive, Suite 140, Wilmington, NC 28403.

North Carolina state and local framework

The N.C. Division of Public Health On-Site Water Protection Branch provides statewide regulatory oversight and technical guidance for subsurface onsite wastewater systems, while local health departments carry out county permitting and inspection functions. NCDHHS directs homeowners to the local health department for septic questions, permits, and inspections.

County regulatory oversight and inspections

New Hanover County states that its On-Site Water Protection section provides regulatory oversight and enforcement for wastewater septic systems and private wells, including site evaluations and septic-system construction inspections.

County permit portal

New Hanover County directs applicants to its COAST portal to apply for onsite permits. Property-specific septic work should proceed only through the applicable Environmental Health approval and inspection path.

Current local septic permit categories

The county fee schedule effective July 1, 2026 lists separate fees for septic Improvement Permits, Construction Authorizations, permit revisions, repair permits, existing-system inspections, and certain private permitting options. Complex system types have different fee treatment.

Official sources

SepticScope summarizes public-agency information for planning purposes. The permitting agency's current instructions control if they differ from this guide.