Online USGS report discusses groundwater resources of Delaware, Maryland, New Jersey, North Carolina, Pennsylvania, Virginia, and West Virginia.
Addresses the problem of invasive exotic plants in the region. Brochure, e-mail group, organizational information, and links.
Responsible for the implementation of federal environmental programs in DE, MD, PA, VA, WV and DC. Region III and its partner state pollution control agencies are responsible for regulating over 21,000 air pollution sources; 12,000 water pollution sources; and 425 hazardous waste treatment, storage and disposal facilities.
Information about a long-term study of the watershed, which includes portions of Pennsylvania, New Jersey, New York, and Delaware.
Thanks to DMOZ, which built a great web directory for nearly two decades and freely shared it with the web. About us