Gaston County, NC Environmental Rules: Erosion Control (2026)

Sec. 4-56(a) of the Gaston County Code requires an approved erosion and sedimentation control plan before any land-disturbing activity that uncovers one acre or more, counting commonly owned or jointly developed tracts together so a project cannot dodge the threshold by splitting into smaller parcels. Sec. 4-58(5) requires that plan to be filed with the Natural Resources Department at least 30 days before work starts, though the county can issue a certificate of approved plan sooner. Once work is underway, Sec. 4-58(1) requires a vegetated buffer along any lake or natural watercourse wide enough to confine visible siltation within the 25 percent of the buffer nearest the disturbance, and Sec.

4-58(4) requires permanent ground cover sufficient to restrain erosion within 90 calendar days of finishing construction, or 60 days in a high-quality-water zone under Sec. 4-59(b)(5). Sec. 4-58(7) layers on weekly and rain-event self-inspections required by the federal NPDES Construction General Permit NCG010000, with records kept on-site until permanent ground cover is established, though single residential lots under an acre are excused from that federal-driven paperwork. Enforcement runs through Sec. 4-72: the Natural Resources Department can assess a civil penalty of up to $5,000 per violation, or up to $5,000 for a stop-work-order violation, and if a first-time violator abates the damage within 180 days the cumulative cap across all violations tied to one project rises to $25,000.

A knowing or willful violation is a Class 2 misdemeanor carrying a fine up to $5,000 under Sec. 4-72(c). The Code Enforcement Department can withhold a certificate of occupancy under Sec. 4-72(b) until the site is brought into compliance, and the Environmental Review Advisory Board can sue in Superior Court for an injunction under Sec. 4-73.