Wetland Delineation: frequently asked questions

These answers are general. For your situation, check the official sources listed below or ask a professional.

What is a wetland delineation?

A field survey that identifies and flags the boundary of wetlands on a property, based on soils, vegetation and hydrology, following the Corps of Engineers manual.

Do I need a permit to build near a wetland?

Filling regulated wetlands generally needs a federal permit, and many states and counties regulate wetlands and buffers too. A consultant can tell you which rules apply.

What is a jurisdictional determination?

A decision by the Corps of Engineers on whether wetlands or waters on a site are regulated under federal law.

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