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Niagara River/Lake Erie WI/PWL

The most recent Niagara River/Lake Erie Basin Waterbody Inventory/Priority Waterbodies List Report was issued in September 2010. This report includes an overall evaluation of water quality in the Niagara River/Lake Erie Basin, as well as assessments for specific waterbody segments in the Basin.

Niagara River/Lake Erie Basin Map

You may chose to view/download the entire report (PDF) as one large file (3.44 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 2012.

Niagara River/Lake Erie Basin Assessment

Introduction (PDF) (538 KB) - Includes the report cover, table of contents and description of the WI/PWL program.
Basin Assessment (PDF) (1.15 MB) - Includes a brief summary of water quality in the entire basin.
Priority Waterbodies List (PDF) (123 KB) - Provides a summary list of PWL waters, use impacts, causes and sources.

Waterbody Inventory and Segment Data Sheets

Niagara River Watershed (PDF) (625 KB)
Lake Erie Shoreline (PDF) (147 KB)
Buffalo River/Eighteenmile Creek Watershed (PDF) (486 KB)
Cattaraugus Creek Watershed (PDF) (402 KB)
Lake Erie/Chautauqua Creek Watershed (PDF) (288 KB)

Updated Assessments (PDF) (20 KB) - Includes updated segment data sheets for waterbody assessments that have been revised since the WI/PWL Assessment Report for this basin was issued. These updated waterbody assessments include: Silver Creek, Lower, and Minor Tribs (0105-0007).


All Appendices (PDF) (301 KB) - Includes Assessment Methodology, WI/PWL Data Sheet Information and Index of Waterbodies.

To request printed copies of this report and for answers to other questions about this water quality assessment, please use the contact information at the right to reach us by e-mail, phone or in writing.