Environmental Rules in Johns Creek, GA (2026)
4 verified environmental rules for Johns Creek, Georgia, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Johns Creek requires a stormwater management permit and GSMM-compliant runoff controls for new development or redevelopment creating 5,000 square feet or more of impervious cover (1,000 sq ft on single-family lots), enforced by community development.
Johns Creek Stormwater Management Permit Rules
Some RestrictionsJohns Creek Code of Ordinances § 109-79(b)(1)a
New development, except those on existing single-family residential lots, that involves the creation of 5,000 square feet or more of impervious cover, or that involves other land development activities of 5,000 square feet or more. New development, including those on single-family residential lots, that involves the creation of 1,000 square feet or more of impervious surface shall meet runoff r...
Erosion Control
Before clearing, grading, or building stormwater drainage facilities in Johns Creek, developers need a land disturbance permit from community development; single-family and duplex projects only need one once disturbance exceeds 5,000 square feet.
Johns Creek Grading and Land Disturbance Permits
Significant RestrictionsJohns Creek Code of Ordinances § 113-61(1) (Ord. No. 2009-06-18, (6.1), 6-29-2009)
No disturbance of the land, including clearing, grubbing, or grading activities, shall commence or proceed except in accordance with the provisions of these development regulations, unless specifically exempted by state law or local ordinance.
Flood Zones
Johns Creek requires a floodplain development permit before any construction or land disturbance in a mapped special flood hazard area, administered by the community development department under Chapter 109, Article II.
Johns Creek Floodplain Development Permit Rules
Some RestrictionsJohns Creek Code of Ordinances § 109-21(a)
No owner or developer shall perform any development activities on a site where an area of special flood hazard or area of future-conditions flood hazard is located, without first meeting the requirements of this article prior to commencing the proposed activity. Unless specifically excluded by this article, any landowner or developer desiring a permit for a development activity shall submit to...
Flood Elevation Requirements
Johns Creek requires new and substantially improved homes in the flood hazard area to elevate their lowest floor, including any basement, at least three feet above base flood elevation: one of Georgia's stricter local freeboard standards.
Johns Creek Flood Elevation Freeboard Rule
Some RestrictionsJohns Creek Code of Ordinances § 109-23(b)(1)a
If all of the requirements of subsections 109-22(c) through (e) have been met, all new construction shall have the lowest floor, including basement, elevated no lower than three feet above the base flood elevation or one foot above the future-conditions flood elevation, whichever is higher.
Looking for Fulton County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Johns Creek city rules.
Environmental Rules in Fulton County →