What matters for project planning
The city runs separate systems for household wastewater and stormwater, and its own guidance notes that runoff moves toward surrounding creeks and marshes; meanwhile the original 1733 square-and-ward layout still governs what can change in the Landmark District.
Official sources
Verify the property, not just the city
Citywide stormwater and historic-district information can't confirm one Savannah parcel's flood zone or hidden construction. Confirm those specifics with the city and your selected provider before work begins.
Research date
Reviewed June 20, 2026. Municipal pages change without notice; treat this as a starting reference.