Saint Lawrence River WI/PWL
The most recent Saint Lawrence River Basin Waterbody Inventory/Priority Waterbodies List Report was issued as a Final Draft Report in February 2009. This report includes an overall evaluation of water quality in the Saint Lawrence River Basin, as well as assessments for specific waterbody segments in the basin.
You may chose to view/download the entire report as one large file (pdf, 2.78 MB), 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 Saint Lawrence River Basin WI/PWL Report
Introduction (PDF) (673 KB) - Includes the report cover, table of contents and description of the WI/PWL program.
Basin Assessment (PDF) (955 KB) - Includes a brief summary of water quality in the entire basin.
Water Quality Assessment Map (PDF) (283 KB)
Watershed Map (PDF) (251 KB)
Priority Waterbodies List (PDF) (69 KB) - Provides a summary list of PWL waters, use impacts, causes and sources.
Waterbody Inventory and Segment Data Sheets
Saint Regis River Watershed (PDF) (189 KB)
Raquette River Watershed (PDF) (189 KB)
Grass River Watershed (PDF) (151 KB)
Oswegatchie River Watershed (PDF) (285 KB)
Updated Assessments - Currently no waterbody assessments have been revised since the current WI/PWL Assessment Report for this basin was issued.
Assessment Methodology (PDF) (177 KB)
Index of Waterbodies (PDF) (102 KB) - Alphabetically and by county.
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.