Glynn County, GA Environmental Rules: Stormwater Management (2026)

Chapter 2-27, the Water Resources Protection Ordinance, first bans illicit discharges into the county's separate storm sewer system (the CS4) of anything but stormwater, and bans illicit connections to it, enforced by the County Engineer with inspection authority and emergency suspension power. Article III's Post Construction Runoff Control provisions, added by Ordinance O-2021-04, apply to new development adding 5,000 square feet or more of new impervious surface, or one acre or more of land disturbance, to redevelopment of the same scale, and to any activity the County Engineer designates a stormwater hotspot; individual single-family or duplex lots outside a subdivision, and agricultural or silvicultural activity, are exempt.

Section 2-27-25 requires a land disturbance permit before any building or grading permit issues, an application meeting Chapter 2-5, Article VII's requirements, and an administrative review fee set by the Board of Commissioners. Design must follow the county's Local Design Manual, which supplements the Coastal Stormwater Supplement and Georgia Stormwater Management Manual, and a professional engineer licensed in Georgia must certify the stormwater management plan. The County Engineer may grant a waiver of the on-site requirements if alternative or off-site management provides equal control, and may require a performance bond of the construction cost plus 25 percent. Property owners must grant the county a perpetual maintenance easement and conduct annual inspections of stormwater facilities.