Management of water quality within the Cayuga Lake watershed (CLW) requires assessment of the physical, chemical and biological conditions of the waters and sediments of the lake and its tributaries. Water quality monitoring and modeling are valuable tools for identifying problems and for assessing how the implementation of management strategies is affecting water contaminants and aquatic ecology.

The CLW is home to many municipal agencies, educational institutions, non-governmental groups, environmental organizations and citizens, all of which have significant interests in the quality of the lake and its tributaries. As a result, numerous monitoring programs and modeling efforts have been, and will continue to be, conducted throughout the watershed. These monitoring efforts are made possible through the collaboration with the Cornell Cooperative Extension of Tompkins County and the Water Resource Council/Cornell partnership. The efforts have differed widely in purpose and scope, corresponding to the interests and funding of scientific investigators, information needs of specific agencies and enthusiasm of volunteers.

For more information go to the Watershed Home Page.

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Recent Submissions

  • Water quality data for southern tributaries to Cayuga Lake (Tompkins County, NY): 1987-1989 

    Bouldin, David (2007-11-12)
    In the period 1987 to 1989 a stream water sampling and analysis program for the southern Cayuga Lake basin was carried out as a part of the continuing analysis of central NY water quality (Manuscripts and Water Quality ...
  • Sixmile Creek: A Status Report 

    Karig, Dan; Miller, Tod; Hackett, Kate; Johnston, Roxanna (Sixmile Creek Partners, 2007-05)
    Sixmile Creek is unique in Tompkins County: it serves as the source of the City of Ithaca's drinking water and is geomorphically very active. For these reasons, the number of studies, data collection efforts, and management ...
  • Water quality data for Fall Creek (Tompkins County, NY) sampling sites: 1972-1995 

    Bouldin, David (2007-08-02)
    This data base is a compilation of water quality data collected in the period 1972 through 1995 from the Fall Creek watershed (including USGS site 04234000) and its subwatersheds. I am deeply grateful to the many research ...
  • Summary of Cayuga Lake and its watersheds 1927 to 2008 

    Bouldin, David (2012-12-05)
    The data base consisted of Cayuga Lake data from 1927, 1968-1974 and 2000 to 2008 and water shed data from 1972 through 2008 – overall on the order of more than 2000 samples. An excel spreadsheet was developed to analyze ...
  • Lake and Phosphorus Inputs: A Focus on Management 

    Bouldin, David; Capener, H.R.; Casler, G.L.; Durfee, A.E.; Loehr, R.C.; Ogelsby, R.T.; Young, R.J. (New York State College of Agriculture and Life Sciences at Cornell University, Ithaca, NY, 1977)
    Dissolved phosphorus is the element that most influences the productivity of freshwater lakes and impoundments. Algae affect the quality and appearance of water. They affect the level of fish production. They also affect ...
  • Cayuga LakeWater Quality Monitoring, Related to the LSC Facility: 2011 

    DeFrees Hydraulics Laboratory, School of Civil and Environmental Engineering, Cornell University (2012-04-02)
    This report summarizes the results of water quality monitoring efforts related to Cornell University’s Lake Source Cooling (LSC) facility in 2011. This monitoring program began in 1998 and was performed annually by the ...
  • Manuscripts and Water Quality Data for Watersheds and Lakes in Central NY, 1972-2003 

    Bouldin, David (2005-12-13)
    David Bouldin, Emeritus Professor, Crop and Soil Science, Cornell University --- E-mail: DRB6@Cornell.edu --- In 1970 Cornell University received a grant from the Rockefeller Foundation to study runoff from land and ...
  • Cayuga LakeWater Quality Monitoring, Related to the LSC Facility: 2010 

    DeFrees Hydraulics Laboratory, School of Civil and Environmental Engineering, Cornell University (2011-03-29)
    This report summarizes the results of water quality monitoring efforts related to Cornell University’s Lake Source Cooling (LSC) facility in 2010. This monitoring program began in 1998 and was performed annually by the ...
  • Cayuga Lake (New York) Water Quality Monitoring Data Related to the Cornell Lake Source Cooling Facility, 1998-2009 

    Adams, James (2010-07-12)
    Cornell University has been monitoring ambient conditions in Cayuga Lake since 1998 to provide a record of water quality conditions in the lake before and after the Lake Source Cooling facility startup in 2000. The primary ...
  • Cayuga LakeWater Quality Monitoring, Related to the LSC Facility: 2009 

    DeFrees Hydraulics Laboratory, School of Civil and Environmental Engineering, Cornell University (2010-07-08)
    This report summarizes the results of water quality monitoring efforts related to Cornell University’s Lake Source Cooling (LSC) facility in 2009. This monitoring program began in 1998 and was performed annually by the ...

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