Library

Browse our library for more information on the National Wetlands Inventory and the work we do. If you need help accessing a document, please email us at: wetlands_team@fws.gov.

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National Wetlands Inventory Program Fact Sheet
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National Wetlands Inventory Program Fact Sheet

The National Wetlands Inventory (NWI) provides users with scientifically-based information on wetlands and deepwater habitats to promote the understanding and conservation of the Nation’s wetland resources through research, education, resource management and policy development.

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Wetlands Data Layer Fact Sheet
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Wetlands Data Layer Fact Sheet

The NWI Wetlands Data Layer provides users with scientifically-based information on wetlands and deepwater habitats to promote the understanding and conservation of the Nation’s wetland resources.

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Wetlands Status and Trends Reports Fact Sheet
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Wetlands Status and Trends Reports Fact Sheet

Recognizing the importance of America’s wetlands, Congress enacted the Emergency Wetlands Resources Act (Public Law 99-645) of 1986. It requires the U.S. Fish and Wildlife Service (Service) to map wetlands in the United States, as well as conduct national status and trends studies and report to...

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Mallards take flight over open wetland.
National Wetlands Inventory Use Highlights
National Wetlands Inventory provides users with scientifically based information on wetlands and deepwater habitats to promote the understanding and conservation of the Nation's wetland resources through research, education, resource management and policy development.
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Science and Technology
Waterfowl flies over wetland with tree line in the background.
Wetlands Status and Trends
This collection includes all available National Status and Trends Reports, State and Regional Status and Trends Reports, Status and Trends Technical Information, and Status and Trends Related Reports.
Library Collection
5 Items
Close-up of a red dragonfly hovering over a branch.
National Wetlands Inventory Mapping
This collection includes all National Wetlands Inventory (NWI) documentation pertaining to mapping wetlands to the federal standard, mapping riparian and NWI line data, as well as documentation of the process for submitting data to NWI.
Library Collection
15 Items
A long-bodied insect with four gossamer wings and a brown-and-white striped tubular body perches on a stalk.
Wetland Conservation
Browse our full collection of stories highlighting the importance of wetlands and the role the U.S. Fish and Wildlife Service plays in conserving them.
Library Collection
12 Items