Stormwater Management: Alpharetta vs Sandy Springs
How do stormwater management rules compare between Alpharetta, GA and Sandy Springs, GA?
Sandy Springs has fewer restrictions than Alpharetta.
Alpharetta, GA
Fulton County
Stormwater development in Fulton County is regulated under Chapter 26 Article IV (Stormwater Management) and the Fulton County Comprehensive Stormwater Management Design and Criteria Manual.
View full Alpharetta rules →Sandy Springs, GA
Fulton County
Sandy Springs requires stormwater management for new development and significant property modifications. Runoff must be controlled on-site through retention, detention, or infiltration systems.
View full Sandy Springs rules →Key Facts Comparison
| Fact | Alpharetta | Sandy Springs |
|---|---|---|
| Code | §26-127 | - |
| LDA trigger | 1 acre | - |
| MS4 | Phase I | - |
| New Development | - | Stormwater plan required |
| Runoff Control | - | On-site retention |
| Maintenance | - | Owner responsibility |
| Topic | - | Stormwater |
Highlighted rows indicate differences between cities.
Alpharetta FAQ
Can I dump used motor oil down a storm drain?
No — illicit discharge is a state and county violation.
Do I need stormwater detention?
Yes for any project disturbing 1+ acre.
Sandy Springs FAQ
Do I need a stormwater plan for my project?
Generally required for new construction and major renovations that increase impervious surface area. Small residential projects may be exempt.
What is an illicit discharge?
Any non-stormwater substance entering the storm drain system, including paint, oil, chemicals, or sediment. Report violations to Sandy Springs public works.
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