Each year the Natural Areas Department reports on it's accomplishments, revenues and expeditures. Annual reports are released by mid-April of the following year. For example, the 2012 Annual Report will be available by mid-April, 2013.

• 2011 Annual Report (pdf)
• 2010 Annual Report (pdf)
• 2009 Annual Report (pdf)
• 2008 Annual Report (pdf)
• 2007 Annual Report (pdf)
• 2006 Annual Report (pdf)
• 2005 Annual Report (pdf)
• 2004 Annual Report
• 2003 Annual Report