New Orleans strictly regulates grading and drainage due to the city's extremely flat topography and location below sea level. Grading permits are required for earthwork, and all development must ensure proper drainage toward the city's pumping stations. The Sewerage & Water Board manages the drainage pump system.
New Orleans relies on a system of canals and pumping stations to remove stormwater since gravity drainage is not possible in most areas. Grading work must not obstruct drainage patterns or redirect water to neighboring properties. The city encourages on-site water retention and green infrastructure to reduce the burden on the pumping system. All grading must be coordinated with the Sewerage & Water Board's drainage requirements.
Grading that impedes drainage or diverts water can result in stop-work orders, fines, and required restoration. Blocking drainage is a serious violation given the city's flood vulnerability.
New Orleans, LA
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