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Hudson River Natural Resource Damage Assessment

In coordination with the EPA's Hudson River Reassessment, the Hudson River Natural Resource Trustees - the United States Department of the Interior (DOI), the National Oceanic and Atmospheric Administration (NOAA), and the New York State Department of Environmental Conservation (NYSDEC) - are conducting a Natural Resource Damages Assessment (NRDA) associated with General Electric's PCB contamination of the Hudson River below Hudson Falls.

The process has its origins in the natural resource damages (NRD) provisions of the Comprehensive Environmental Response, Compensation and Liability Act, also known as CERCLA or the federal Superfund law.

The overall purpose of these NRD provisions is to compensate the public for natural resource losses they have suffered from the release of hazardous substances by restoring the injured resources and by enhancing natural resources and their use by people. Compensation may be in the form of monetary damages or, preferably, in actual restoration projects. The trustees have been and will continue following the Federal Regulations for Natural Resource Damages Assessments (43 CFR Part 11) to guide this process.

For additional offsite information from DEC co-trustees please see the links listed on the right column of this page under links leaving DEC's website.

This page contains links to documents that outline the NRDA process as well as the studies conducted to support the natural resource damage assessment case (Studies of the Assessment). A complete description of the process can be found in the Hudson River Natural Resource Damage Assessment - Description of Process.

Document Links

Determination of Injury to Natural Resources from Remedial Activities on the Hudson River (PDF)

Fact Sheet: Hudson River Remedial Injury Determination (PDF)

Population Assessment and Potential Functional Role of Native Mussels in the Upper Hudson River (PDF)

Freshwater Mussel Shell Thin-Section Analyses for the Hudson River NRDA (PDF)

Fact Sheet: Hudson River Freshwater Mussels-Population Surveys (PDF)

Fact Sheet: Hudson River Freshwater Mussels-Thin Section Study (PDF)

Fact Sheet: Hudson River Mink Injury Publication. October 2018 (PDF) This fact sheet summarizes a study conducted as part of the Hudson River Natural Resource Damage Assessment which shows that mink are substantially lower in the PCB-contaminated Hudson River system versus a reference system, the Mohawk River.

Injury Determination Report - Hudson River Surface Water Resources - Hudson River Natural Resource Damage Assessment (PDF) - Revised January 2018

Data Report for the Collection of Gray Catbird Eggs along the Hudson River from Hudson Falls to Schodack Island, New York for Exposure to Polychlorinated Biphenyls (PCBs) (PDF)(7.1 MB) - November 2017

Commissioner Seggos Letter to USEPA Administrator Scott Pruitt (PDF) Letter dated November 22, 2017.

Commissioner Seggos letter to Regional USEPA Administrator Judith Enck (PDF) Letter dated December 20, 2016.
Recommendations to EPA for the Five Year Review Report for Hudson River PCBs Site (PDF) Dated December 20, 2016.

Commissioner Seggos letter to Regional USEPA Administrator Judith Enck (PDF) Letter dated November 14, 2016.

Commissioner Basil Seggos letter to Judith Enck, Regional Administrator USEPA Region 2 (PDF) Letter dated August 21, 2016

PCB Concentrations in Mink Prey Items - Fish, Frogs, and Small Mammals - Collected from the Hudson River. October 2017 (PDF) (10 MB). This report evaluates PCB concentrations in typical mink prey items, and evaluates whether tPCBs and dioxin-like PCB congeners in Hudson River mink prey are associated with floodplain-based components of mink diet, as well as the river-based components.

Injuries to Hudson River Fishery Resources. Fishery Closure and Consumption Restriction. April 2015 (PDF) This report examines past and present injuries to fishery resources resulting from PCBs in the Hudson River and the actions taken by New York State officials to limit use of the resource in order to protect public health.

Fact Sheet: Hudson River Fish Consumption Advisory. April 2015 (PDF)

Fact Sheet: Hudson River Catbird Egg Investigation. May 2015 (PDF) As part of the injury assessment for the Hudson River Natural Resource Damage Assessment, this fact sheet provides an overview of the work to be done to document exposure of grey catbirds to PCBs, as a means to determine potential restoration requirements for avian resources impacted by Hudson River PCBs.

Study Plan for the Mussel Injury Investigation for the Hudson River. June 2014 (PDF) This draft study plan is being issued for review and comment. The proposed study will collect information about mussel communities and habitats affected by dredging and will aid restoration planning efforts relating to mussels adversely impacted by remedial work. Comments should be submitted by July 2, 2014.

Upper Hudson Freshwater Mussel Restoration Planning Pilot Study. September 2013 (PDF) This fact sheet provides information on a freshwater mussel restoration planning pilot study being conducted as part of the Hudson River NRDA.

PCB Contamination of the Hudson River Ecosystem - Compilation of Contamination Data Through 2008. January 2013 (PDF) A summary of available information on PCB contamination in the Hudson River ecosystem, focusing on data collected and analyzed between 2002 and 2008, as part of ongoing NRDA activities.

Floodplain Data Report. January 2010 (PDF) Includes PCB Floodplain contaminant data from the following collections:
2001 Small Mammals And American Woodcock, 2000 Floodplain Earthworms and Re-Analysis Of Select 2000 Soils and Small Mammals from the Year 2000.

Organochlorine and Metal Contamination of Hudson River Aquatic Insects (PDF)

Surface Water Injury Report 2008 (PDF) Injury Determination Report for Hudson River Surface Water Resources

Sediment Fact Sheet 2008, (PDF) Sediment Toxicity Study for the Hudson River NRDA

Study Plan for Waterfowl Injury Assessment 2008 (PDF)

Responsiveness Summary (PDF) Waterfowl Study Plan 2008 Public Responsiveness Summary

The NRDA Process: Screening and Assessment

Fact Sheets

Preassessment Screen

Studies of the Assessment