Cleanup Progress for Lower Neponset River, Boston/Milton, MA
Site Milestones
| Milestone | Dates(s) |
|---|---|
| Initial Assessment Completed | 01/30/2018 |
| Proposed to the National Priorities List | 09/09/2021 |
| Finalized on the National Priorities List | 03/16/2022 |
| Remedial Investigation Started | Estimated Feb - Apr 2023 |
| Remedy Selected | Not Yet Achieved |
| Remedial Action Started | Not Yet Achieved |
| Construction Completed | Not Yet Achieved |
| Deleted from National Priorities List | Not Yet Achieved |
| Most Recent Five-Year Review | Not Yet Achieved |
| Achieved Sitewide Ready for Anticipated Reuse | Not Yet Achieved |
Cleanup Schedule by Operable Unit
During cleanup, a site can be divided into a number of distinct areas depending on its complexity. These areas, called operable units (OUs), may address geographic areas, specific problems, or areas where a specific action is required. Examples of typical operable units include construction of a groundwater pump and treatment system or construction of a cap over a landfill.
| Milestone | Start Date | Completion Date |
|---|---|---|
| Removal | Estimated September 2026 | |
| Combined Remedial Investigation/Feasibility Study | Estimated Feb - Apr 2023 |
NOTE: Dates and estimated dates will not display for all milestones. Estimated dates only display for milestones planned within the next three fiscal years. Estimated dates and start dates will not display for the following enforcement milestones: Administrative Order of Consent, Consent Decree and Unilateral Administrative Order. Start dates will not display for the following document milestones: Five-Year Review, Record of Decision, Record of Decision Amendment, Explanation of Significant Differences and Partial NPL Deletion.
DISCLAIMER: The data on this page are derived from the Superfund Enterprise Management System and are solely for informational purposes. The data cannot be relied upon to create any substantive or procedural rights or requirements enforceable by any party in litigation with any member of the public, states, tribes, the United States or any federal agency. EPA reserves the right to change these data at any time without public notice.