Information Ownership, Use and Distribution

Information presented on this website is considered public information and may be distributed or copied. All documents and information may be freely distributed and used for non-commercial, scientific or educational purposes. Commercial use of the documents available from this server may be protected under U.S. or foreign copyright laws. Individual documents on this website may have different copyright conditions, which will be noted in those documents. Any communication or material transmitted to this website by electronic mail or otherwise—including data, questions, comments or suggestions—will be treated as public information.

Content Usage Policy

The Chesapeake Bay Program retains the rights to all image, audio and video material used on this website. Some materials have been donated or obtained from outside individuals or organizations and may be subject to additional restrictions on their use. Permission to use image, audio or video material from this website must be obtained in writing from the Chesapeake Bay Program.

Interested parties may obtain permission to use image, audio or video material from this website for educational or informational purposes by contacting the Web Content Specialist with the following information: name of organization requesting permission; point of contact, including name, mailing address, phone number and email address; description of image, audio or video material and where it is located; intended use of image, audio or video material (e.g., presentation, publication, website); and duration of use.

Please note: Maps produced by the Chesapeake Bay Program are for graphical purposes only unless otherwise stated. While every effort has been made to ensure the accuracy of the data presented, data are often gathered from multiple sources in multiple ways at different points in time and at different spatial resolutions. Therefore, the Chesapeake Bay Program cannot guarantee that the data represented are 100 percent accurate in their positional accuracy or attribute content. The Chesapeake Bay Program assumes no liability for any damages caused by errors or omissions in the data or for the misuse, misrepresentation or misinterpretation of the map.

System Monitoring

This system is monitored to ensure proper operation, to verify the functioning of applicable security features and for comparable purposes. Anyone using this system expressly consents to such monitoring. Unauthorized attempts to modify any information stored on this system, to defeat or circumvent security features, or to utilize this system for other than its intended purposes are prohibited and may result in criminal prosecution.

Public Domain Software

Links are provided to public domain software developed by or for the Chesapeake Bay Program. Although these programs have been used by the Chesapeake Bay Program, no warranty, expressed or implied, is made by the Chesapeake Bay Program as the accuracy and functioning of these programs and related program material.

Content Accuracy, Completeness and Usability of Data and Information

Data and information served here come from a wide range of federal, state, regional, local, industrial, academic and other partners. The Chesapeake Bay Program makes every effort to provide and maintain accurate, complete, usable and timely data and information on our website.


Chesapeake Bay Program partner-authored or produced data and information are in the public domain. While the content of most Chesapeake Bay Program websites is in the public domain, not all of the content on our websites is in the public domain. Some images or graphics have been used by the Chesapeake Bay Program with permission from outside individuals or organizations. For other use of this content, you may need to obtain permission from the copyright holder under copyright law.

Links to ChesapeakeProgress Webpages

You are welcome to create a link to any of the webpages the Chesapeake Bay Program has published on the Internet. There is no need to request permission. We will identify material we use from sources outside of the Chesapeake Bay Program and request others do the same when using information published by the Chesapeake Bay Program.

Disclaimer of Endorsement

The information posted on this website may contain hyperlinks or pointers to information created and maintained by other public or private organizations. These links and pointers are provided for the user’s convenience. The Chesapeake Bay Program does not control or guarantee the accuracy, relevance, timeliness or completeness of this outside information. Further, the inclusion of links or pointers to particular items in hypertext is not intended to reflect their importance, nor is it intended to endorse the views expressed on these sites, the products or services offered on these sites, or the organizations sponsoring the sites.


Publication of this website is made possible through grants from the U.S. Environmental Protection Agency Chesapeake Bay Program Office. Our content reflects the work of many Chesapeake Bay Program partners and do not necessarily reflect those of any governmental or grant-making organization.

None of the Chesapeake Bay Program partners nor any of their employees, contractors or subcontractors make any warranty, expressed or implied, nor assume any legal liability or responsibility for the accuracy, completeness or usefulness of any data or information contained within this website. Reference within this website to any specific commercial products, processes or services or the use of any trade, firm or corporation name is for the information and convenience of the public and does not constitute endorsement, recommendation or favoring by the Chesapeake Bay Program.