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Lake Champlain WI/PWL

The most recent Lake Champlain Basin Waterbody Inventory/Priority Waterbodies List Report was issued as a Final Draft Report in July 2009. This report includes an overall evaluation of water quality in the Lake Champlain Basin, as well as assessments for specific waterbody segments in the basin.

Grey colored NYS map with Lake Champlain Basin in yellow

You may chose to view/download the entire report (PDF) (5.16 MB) as one large file or in order to ease viewing/downloading, the information in this report has been segmented into separate smaller files. Use the index below to find, view and download the portion (or portions) of the report of interest to you.

The next review and update of the water quality assessments for waters in this basin is scheduled to be conducted in 2011.

The Final Draft Lake Champlain Basin WI/PWL Report

Introduction (PDF) (695 KB) - Includes the report cover, table of contents and description of the WI/PWL program.

Water Quality Assessment (PDF) (3.19 MB) - Includes a brief summary of water quality in the entire basin.

Priority Waterbodies List (PDF) (100 KB) - Provides a summary list of PWL waters, use impacts, causes and sources.

Waterbody Inventory and Segment Data Sheets

Lake Champlain, Main Lake (PDF) (171 KB)

Great Chazy-Saranac Rivers Watershed (PDF) (407 KB)

Ausable-Boquet Rivers Watershed (PDF) (380 KB)

Lake Champlain South-Lake George Watershed (PDF) (509 KB)

Updated Assessments - Currently no waterbody assessments have been revised since the current WI/PWL Assessment Report for this basin was issued.


All Appendices (PDF) (318 KB) - Includes Assessment Methodology, WI/PWL Data Sheet Information and Waterbody Index.

For additional information about this water quality assessment, please use the contact information at the right to reach us by e-mail, phone or in writing.