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NYSDEC Brownfield Cleanup Program: 250 Water Street
250 Water Street, New York, NY
NYSDEC BCP Site No. C231127
250 Water Street Construction Hotline
For Calls and SMS Messages: 917-962-8166
For E-mails: info@250wsconstructionhotline.com
For public safety emergencies, please dial 911.
Phase 1 remediation summary
Phase 1 Remediation Summary (pdf)
DownloadBrownfield Cleanup Program
More than 100 New York City sites have been successfully remediated under New York State’s Brownfield Cleanup Program (BCP), a program which encourages private sector cleanups and redevelopment of urban brownfields with regulatory oversight by NYS Department of Environmental Conservation and Department of Health. The BCP emphasizes transparency and requires robust citizen participation with numerous opportunities for public review and input into environmental investigation, remediation planning and implementation
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Phase 1 - Non Intrusive
Phase 1 of the remedial investigation was completed on June 15 and 16, 2020. Work included an 8-hour baseline air monitoring event and geophysical survey.
Phase 2 - Soil Vapor
Phase 2 of the remedial investigation was completed on July 8 and 9, 2020. Work included on-site soil vapor sampling.
Phase 3 - Area of Concern #3 and Mercury Delineation
Phase 3 of the remedial investigation was completed between July 27 and August 3, 2020. Work included advancing soil borings, collecting soil samples, and installing and developing monitoring wells within Area of Concern #3 (the former thermometer factory/workshops).
Phase 4 - Remaining Soil Borings and Monitoring Wells
Phase 4 of the remedial investigation was completed between August 17 and 26, 2020. Work included advancing the remaining soil borings, collecting soil samples, and installing and developing the remaining monitoring wells.
Phase 5 - Groundwater Sampling
Phase 5 of the remedial investigation was completed between September 1 and 3, 2020. Work included collecting groundwater samples and a synoptic groundwater gauging event.
Monitoring Well Elevation Survey
The monitoring well elevation survey was completed during the week of September 21, 2020.
NYSDEC-Approved Remedial Investigation Report
The Remedial Investigation Report (RIR) was approved by the NYSDEC and NYSDOH on June 25, 2021. The Final RIR can be found on the Reports page by clicking on the link below.
NYSDEC-Approved Remedial Action Work Plan
The Remedial Action Work Plan (RAWP) was approved by the NYSDEC and NYSDOH on November 15, 2021. The Final RAWP can be found on the Reports page by clicking on the link below.
NYSDEC-Approved Remedial Design Investigation Work Plan
The Remedial Design Investigation Work Plan (RDIWP) was approved by the NYSDEC and NYSDOH on February 11, 2022. The Final RDIWP can be found on the Reports page by clicking on the link below.
NYSDEC-Approved Change to the RAWP Schedule
A schedule change notification was approved by the NYSDEC on March 29, 2022. The schedule change and approval letter can be found on the Reports page by clicking on the link below.
NYSDEC-Approved Remedial Design Report and Revised Construction Health and Safety Plan
The Remedial Design Report and the Revised Construction Health and Safety Plan (CHASP) was approved by the NYSDEC and NYSDOH on May 12, 2022. The Final Remedial Design Report and Revised CHASP can be found on the Reports page by clicking on the link below.
250 Water Street, New York, NY
NYSDEC BCP SITE NO. C231127