An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Henry's Knob Site Case Study

This case study highlights ecological revitalization outcomes at the Henry's Knob Superfund Alternative Approach site in York County, South Carolina. The native vegetation on site attracts a variety of pollinator species, including bees, wasps, butterflies and birds. Blue Vervain, for example, attracts a variety of bees and birds, including Cardinals, Swamp Sparrows, Field Sparrows, Eucerine Miner Bees, Halictid Bees and the Verbena Bee.

This document is also available in SEMS at

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.