- 2027 – Salt Lake City
- 2025 – Chicago
- 2023 – Detroit
- 2022 – Oklahoma City
- 2019 – Los Angeles
- 2017 – Pittsburgh
- 2015 – Chicago
- 2013 – Atlanta
- 2011 – Philadelphia
- 2009 – New Orleans
- 2008 – Detroit
- 2006 – Boston
- 2005 – Denver
- 2004 – St. Louis
- 2003 – Portland
- 2002 – Charlotte
- 2001 – Chicago
- 2000 – Atlantic City
- 1999 – Dallas
- 1998 – Los Angeles
- 1997 – Kansas City
- 1996 – Pittsburgh
The National Brownfields Training Conference is the largest U.S. event focused on environmental revitalization and economic redevelopment, bringing together over 2,000 stakeholders to share strategies, training, and networking opportunities for cleaning up and redeveloping contaminated properties.