Welcome to EPA's Hudson River Dredging Data Website

Returning a River to Health image

Click here to view the documentary "Returning a River to Health"

This site provides access to performance standard monitoring data that is being generated as part of Phase 2 dredging and sediment processing facility operations. For more information about the Hudson River PCBs Superfund Site go to: www.epa.gov/hudson.

The sixth and final season of dredging has been completed. Backfilling of previously dredged areas with clean material extended into November 2015. Processing facility operations continued until all dredged sediment was transported offsite. Habitat restoration work will continue in 2016.

Since dredging began in 2009, more than 2.75 million cubic yards of PCB-contaminated sediment have been removed from the Hudson River. 

Phase 2 data is collected daily during the dredging season. To view Phase 2 data, click on one of the categories on the left side of the screen (monitoring pages), or go to the interactive data maps. The interactive data maps show, by location, project activities and monitoring data for both engineering performance standards of water quality (resuspension) and quality of life performance standards such as air quality, odor, noise, lighting, and navigation.  Phase 1 performance standard monitoring data was collected daily between May and December 2009. Phase 1 data can be accessed at the bottom of each monitoring page.


Project Area Map
Project Area Map
(click map to see more details)