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NYSDEC Oversight

The NYSDEC provides oversight of activities conducted by the major responsible parties at various Greenpoint petroleum remediation sites in Brooklyn, New York. NYSDEC’s subcontractor (Ecology and Environment Engineering and Geology P.C. [E&E]) conducts monthly field oversight of PRP activities to assist NYSDEC in developing a better understanding of the day to day investigation and remedial activities that occur in the Greenpoint area and report any pertinent issues to NYSDEC’s project manager.

The following sections summarize recent activities observed at the various Greenpoint remediation sites in Brooklyn, New York.

Date of Oversight Observation: September 10, 2025

Former ExxonMobil Terminal

Description of Activities

1. E&E/WSP observed the on-site treatment system in operation and recorded current operating parameters of the air strippers from the control screen.
2. E&E/WSP observed routine treatment system maintenance.
3. E&E/WSP collected a sample of the on-site effluent for visual observation and compared it to a previously collected sample taken from the Newtown Creek in the vicinity of the outfall.

 Planned Activities

1. Routine treatment system maintenance.

ExxonMobil Off-Site Plume Area

Description of Activities

1. E&E/WSP observed the off-site treatment system in operation and recorded current operating parameters of the air strippers from the control screen.
2. E&E/WSP collected a sample of the off-site effluent for visual observation and compared it to a previously collected sample taken from the Newtown Creek in the vicinity of the outfall.
3. E&E/WSP observed work related to linking the off-site treatment system effluent piping to accommodate the new groundwater treatment system that will be constructed at 38 Varick street.
4. E&E/WSP observed the ongoing installation of the new electrical main at 38 Varick street to accommodate the new groundwater treatment system.

Planned Activities

1. Routine treatment system maintenance.
2. Continuation of the off-site treatment system effluent piping and electrical main work.

KM Terminal (Former BP Terminal)

Description of Activities

1. Antea informed E&E/WSP that the groundwater treatment system and the product recovery pumps are running as designed except for recovery well RW-9, which has been off-line since 4/14 due to a blockage and other issues.
2. Antea and E&E/WSP observed petroleum sheen within the bulkhead boom containment area.

 Planned Activities

1. Routine treatmnet system and product recovery pump maintenance.
2. Continued repair work on recovery well RW-9.

Former Paragon Oil Terminal/Apollo Street Creek Parcels

Description of Activities

1. AECOM informed E&E/WSP via email that the annual groundwater sampling event for the site originally scheduled for July was postponed and has yet to be performed due to a conflict with the property owner’s schedule.
2. AECOM informed E&E/WSP via email that the groundwater treatment system is still offline and AECOM is continuing to work with subcontractors to get the system back up and running soon.
3. AECOM informed E&E/WSP that area-wide well gauging of site wells occurred on August 26.

 Planned Activities

1. Continued repairs of the groundwater treatment system.

Newtown Creek Observations

Former Paragon Terminal Bulkhead
E&E observed conditions along the upper, middle, and lower bulkheads, within the containment areas, and in Newtown Creek in the vicinity of the bulkhead. No sheens or sediment plumes were observed in or outside any of the containment areas in Newtown Creek.

Meeker Avenue Bulkhead
E&E observed the conditions of Newtown Creek at the end of Meeker Avenue in the vicinity of the ExxonMobil Off-site outfall and adjacent storm outfalls. Storm outfall D was observed to not be discharging water. No sheens or sediment plumes were observed in Newtown Creek within visible distance upstream and downstream of the outfalls. This observation took place about 3 hours after the 4:53 AM -0.4’ AMSL low tide.