St. Lawrence-Grasse River; Massena area: institutional / engineering control completed (HW) in Massena, NY
St. Lawrence-Grasse River; Massena area (Massena): institutional / engineering control completed (HW) in Massena, NY. Dated 36 days ago, it serves as a historical benchmark. Score 30/100. As of 2026-11-04, from New York State DEC Environmental Remediation Sites (data.ny.gov).
Data as of · Compiled by Zalwin from New York State DEC Environmental Remediation Sites (data.ny.gov)
Free preview: all 9 published fields of this record are shown below. Locked: 0 related NyRemediationSitePulse records and the 7-column CSV export.
| Field | Value |
|---|---|
| Site | St. Lawrence-Grasse River; Massena area |
| DEC program number | 645015 |
| Program | State Superfund (inactive hazardous waste) |
| Site class | Class 2: significant threat |
| Latest milestone | Institutional / engineering control (2026-09-30) |
| Milestones | Control: INST (2026-09-30) |
| Contaminants | fluoranthene, benzo(b)fluoranthene, pyrene, polychlorinated biphenyls (PCB), benzo(k)fluoranthene, 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) |
| Owner | New York State; STATE OF NEW YORK |
| Location | Town of Massena, Massena, St Lawrence County, 13662 |
| Peer records CSV (1 records) | 🔒 Click to unlock → |
| CRM-ready export with official source URLs | 🔒 Click to unlock → |
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- Source agency: New York State DEC Environmental Remediation Sites (data.ny.gov)
- Record date: 2026-09-30
- Data refreshed: 2026-11-04
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LIVE PUBLIC DATA Source: New York State DEC Environmental Remediation Sites (data.ny.gov) · Last refreshed: Wed, 04 Nov 2026 06:08:46 GMT
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30 / 100 Score
- Class 2: significant threat.
What is the NyRemediationSitePulse record for St. Lawrence-Grasse River; Massena area in Massena?
St. Lawrence-Grasse River; Massena area (Massena, St Lawrence County, NY), a State Superfund (inactive hazardous waste) site, completed institutional / engineering control on 2026-09-30; contaminants include fluoranthene, benzo(b)fluoranthene, pyrene.
How does St. Lawrence-Grasse River; Massena area compare to other NyRemediationSitePulse records?
It is 36 days old, still within a typical 45-day follow-up window. Its Score of 30/100 is modest; treat it as background rather than a priority.
St. Lawrence-Grasse River; Massena area vs. top 3 peers
| Organization | Location | Record date |
|---|---|---|
| St. Lawrence-Grasse River; Massena area | Massena, St Lawrence | 2026-09-30 |
| Iona Island Naval Ammunition Depot-DOD Grant Site | Bear Mountain, Rockland | 2026-10-21 |
| Former Hopewell Precision Contamination Area | Hopewell Junction, Dutchess | 2026-09-30 |
| K&L Cleaners | Penn Yan, Yates | 2026-09-30 |
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NyRemediationSitePulse: State Superfund (inactive hazardous waste) NyRemediationSitePulse: Institutional / engineering control
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From the NYS DEC Environmental Remediation Sites database. Milestone dates are as recorded by DEC and may be revised; a completed milestone does not mean a site is clean. Owners and operators are shown only when they are organizations. Verify with DEC.