Cobb enforces Georgia Erosion & Sedimentation Act via Ch. 50, Art. III. Land Disturbance Permit required for disturbance ≥5,000 sq ft. 25-ft undisturbed state-waters buffer (50-ft for trout streams, 75-ft for MRPA). Daily GSWCC inspections.
Cobb County is a certified Local Issuing Authority under the Georgia Erosion and Sedimentation Act (O.C.G.A. §12-7-1+) and administers the program through the Site Plan Review and Land Disturbance Permit process (Code Ch. 50, Art. III). Disturbance of 5,000 square feet or more requires a Land Disturbance Permit (LDP) with an erosion, sedimentation, and pollution control (ES&PC) plan prepared by a Level II Design Professional. Required BMPs per Green Book 2016: stabilized construction exits, silt fencing (Sd1-C), inlet protection, check dams, temporary/permanent vegetative stabilization. State-waters buffer: 25 feet from top of bank on perennial/intermittent streams; 50 feet for designated trout waters; 75 feet for Chattahoochee within the Metropolitan River Protection Act corridor. Daily site inspections required by permittee; GSWCC-certified inspectors review construction. Cobb Water Quality Section (770-419-6406) investigates sediment discharges.
LDP violation: stop-work order + $250–$2,500 per day per O.C.G.A. §12-7-15. Sediment discharge to state waters: up to $25,000/day federal Clean Water Act penalty plus restoration.
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