Contact Us

For general questions about wetland maps, GIS Data, or the website, please email

For wetland regulations that may affect wetlands on your property or property development, contact the U.S. Army Corps of Engineers office nearest you.

Location and Contact Information

Mailing Address

5275 Leesburg Pike Baileys Crossroads, VA, 22041


National and Regional Contacts

Please contact the appropriate Wetlands Coordinator for inquiries regarding general coordination, training, contracting, production and iterative quality control throughout the lifecycle of your project. For inquiries regarding GIS data and analysis, final data quality assurance and Wetlands Mapper operations, please contact the appropriate NWI Data Center staff member.