Round 1 sites were sampled between 2008 - 2011:

• Ballenger Creek
• Bennett Creek
• Lower Bush Creek
• Upper Bush Creek
• Carroll Creek
• Catoctin Creek
• Fishing Creek
• Glade Creek
• Hunting Creek
• Israel Creek
• Little Catoctin Creek South
• Lower Linganore Creek
• Upper Linganore Creek
• Little Pipe Creek
• Middle Creek
• Monocacy Direct Southwest
• Owens Creek
• Potomac Direct
• Toms Creek
• Tuscarora Creek