National Wetlands Inventory
Ecological Services

Wetlands Mapper

The Wetlands Mapper integrates digital map data with other resource information to produce timely and relevant management and decision support tools. We recommend looking at the following prior to launching a map:

number 1 Please read the DisclaimerData Limitations, Exclusions and Precautions, and the Wetlands Geodatabase User Caution.

Wetland Mapping
Projects Mapper

Recent wetland data additions
and active wetland mapping projects.

Click below to open the Mapper.
New Data Map icon

number 2

Refer to the following links for documentation and answers to frequently asked questions:

number 3 Mapper icon
(data last modified on October 1, 2015;
best viewed by maximizing your browser window)

To beta test our new HTML5 (non-Flash)
on your desktop, click here (FAQs).

Please note:

  • When in the wetlands mapper, you can change major geographic regions by using the "Zoom to: select" pull down menu located at the upper right side corner.
  • For help with the new mobile mapper location function, please read this FAQ.
  • Adobe Flash™ is required to access the Wetlands Mapper. Please visit the Adobe Flash Player website ( to download the latest version of the player. Adobe Flash is a trademark from Adobe Systems Incorporated.

* If you have trouble viewing or printing the mapper data, please see this FAQ.

Last updated: May 12, 2016