Lake Champlain Long-term Monitoring
For documentation of the database and methods, please refer to the Program Description and Methods History documents.
The data can be downloaded in their entirety from EPA’s STORET database or provided by the VT DEC upon request.
Select data by year from the drop down list below, OR select a station as well as a start and end date.
Data By Year:
_Select Year 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023
Data by Station and Test
02 - South Lake B 04 - South Lake A 07 - Port Henry Segment 09 - Otter Creek Segment 16 - Shelburne Bay 19 - Main Lake 21 - Burlington Bay 25 - Malletts Bay 33 - Cumberland Bay 34 - Northeast Arm 36 - Isle LaMotte (off Grand Isle) 40 - St. Albans Bay 46 - Isle LaMotte (off Rouses Pt) 50 - Missisquoi Bay 51 - Missisquoi Bay Central  Lake Station: (click for map) Start Year: 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 End Year: 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 Normal Wide	Select / Unselect All   Choose one or more tests Test Code Units Date Range Lab Sample Frequency Total Phosphorus TP ug/L 1992-2020 VT & NY 10/year Dissolved Phosphorus DP ug/L 1992-2020 VT & NY 10/year Ortho-Phosphorus DOP ug/L 1992-1994 VT & NY - Chloride Cl mg/L 1992-2020 VT & NY 10/year Dissolved Silica DSi mg/L 1992-2020 VT & NY 10/year on a 5 yr cycle Total Nitrogen TN mg/L 1992-2020 VT 10/year Total Kjeldahl Nitrogen TKN mg/L 1992-1996 NY - Total Nitrate-Nitrite TNOX mg/L 1992-1996 VT & NY - Total Ammonia TNH3 mg/L 1992-1996 VT & NY - Calcium TCa mg/L 1992-2020 VT & NY currently 3/yr Magnesium TMg mg/L 1992-2020 VT & NY currently 3/yr Sodium TNa mg/L 1992-2020 VT & NY currently 3/yr Potassium TK mg/L 1992-2020 VT & NY currently 3/yr Iron TFe ug/L 1992-2010 VT & NY currently 3/yr Lead TPb ug/L 1992-1998 NY - Total Organic Carbon TOC mg/L 1992-1999 NY - Dissolved Organic Carbon DOC mg/L 1992-2020 VT & NY variable Dissolved Inorganic Carbon DIC mg/L 1992-2020 VT & NY variable Temperature TempC deg C 1992-2020 VT 10/year Dissolved Oxygen DO mg/L 1992-2020 VT 10/year Conductivity Cond uS/cm 1992-2005 VT 10/year pH pH - 1992-2005 VT 10/year Alkalinity RegAlk mg/L 1992-2020 VT 3/year Total Suspended Solids TSS mg/L 1992-2005 VT & NY - Chlorophyll-a Chla ug/L 1992-2020 VT & NY 10/year Secchi Depth Secchi m 1992-2020 VT & NY 10/year Aluminum TAl ug/L 2015-2020 VT currently 3/yr Manganese TMn ug/L 2015-2020 VT currently 3/yr Net phytoplankton, total density NP_Tot_den cells/L 2006-2015 VT 10/year Net phytoplankton, total biovolume NP_Tot_bio um3/L 2006-2015 VT 10/year Net phytoplankton, Cyanobacteria density NP_Cya_den cells/L 2006-2015 VT 10/year Net phytoplankton, Cyanobacteria biovolume NP_Cya_bio um3/L 2006-2015 VT 10/year Net phytoplankton, Chlorophyta density NP_Chl_den cells/L 2006-2015 VT 10/year Net phytoplankton, Chlorophyta biovolume NP_Chl_bio um3/L 2006-2015 VT 10/year Net phytoplankton, Chrysophyta density NP_Chr_den cells/L 2006-2015 VT 10/year Net phytoplankton, Chrysophyta biovolume NP_Chr_bio um3/L 2006-2015 VT 10/year Net phytoplankton, Pyrrophyta density NP_Pyr_den cells/L 2006-2015 VT 10/year Net phytoplankton, Pyrrophyta biovolume NP_Pyr_bio um3/L 2006-2015 VT 10/year Net zooplankton, total density ZP_Tot_den #/m3 1993-2013 NY 10/year Net zooplankton, Copepod density ZP_Cop_den #/m3 1993-2013 NY 10/year Net zooplankton, Cladoceran density ZP_Cla_den #/m3 1993-2013 NY 10/year Net zooplankton, Rotifer density ZP_Rot_den #/m3 1993-2013 NY 10/year Non-purgeable Organic Carbon NPOC mg/L 2019-2020 VT 12/year