Explore Volunteer Lake Data By Year
Delve into the reports on this page for yearly summary data from all of the lakes in our volunteer monitoring program.
Search for a specific lake or county Learn more about the volunteer program
To become a volunteer or see if your lake is currently being monitored, contact us.
Current Volunteer Data Reports
Past Volunteer Data Reports
Reports are in Excel or PDF format. Excel reports will most likely appear in your download folder, while PDF reports will likely appear in your browser.
- 2021 Secchi Disk Data
- 2020 Secchi Disk Data
- 2019 Secchi Disk Data
- 2018 Secchi Disk Data
- 2017 Secchi Disk Data
- 2016 Secchi Disk Data
- 2015 Secchi Disk Data
- 2014 Secchi Disk Data
- 2013 Secchi Disk Data
- 2012 Secchi Disk Data
- 2011 Secchi Disk Data
- 2010 Secchi Disk Data
- 2009 Secchi Disk Data
- 2008 Secchi Disk Data
- 2007 Secchi Disk Data
- 2006 Secchi Disk Data
- 2005 Secchi Disk Data
- 2004 Secchi Disk Data
- 2003 Secchi Disk Data
- 2002 Secchi Disk Data
- 2001 Secchi Disk Data
- 2000 Secchi Disk Data
- 1999 Secchi Disk Data
- 2021 TP & Chl Summary
- 2020 TP & Chl Summary
- 2019 TP & Chl Summary
- 2018 TP & Chl Summary
- 2017 TP & Chl Summary
- 2016 TP & Chl Summary
- 2015 TP & Chl Summary
- 2014 TP & Chl Summary
- 2013 TP & Chl Summary
- 2012 TP & Chl Summary
- 2011 TP & Chl Summary
- 2010 TP & Chl Summary
- 2009 TP & Chl Summary
- 2008 TP & Chl Summary
- 2007 TP & Chl Summary
- 2006 TP & Chl Summary
- 2005 TP & Chl Summary
- 2004 TP & Chl Summary
- 2003 TP & Chl Summary
- 2002 TP & Chl Summary
- 2001 TP & Chl Summary
- 2000 TP & Chl Summary
- 1999 TP & Chl Summary