# Iona Island Naval Ammunition Depot-DOD Grant Site: remedial investigation / characterization completed (HW) in Bear Mountain, NY

**Score:** 60/100

| Field | Value |
|---|---|
| Site | Iona Island Naval Ammunition Depot-DOD Grant Site |
| DEC program number | 344069 |
| Program | State Superfund (inactive hazardous waste) |
| Site class | Active (BCP/ERP) |
| Latest milestone | Remedial investigation / characterization (2026-10-21) |
| Milestones | Remedial Investigation (2026-10-21) |
| Contaminants | lead |
| Location | Iona Island, Bear Mountain, Rockland County, 10911-0427 |

## Why this score
- Remedial investigation / characterization done: the next phase of work is ahead.
- Milestone in the last 30 days.

Source: New York State DEC Environmental Remediation Sites (data.ny.gov) (https://data.ny.gov/d/c6ci-rzpg). Last refreshed: 2026-11-04T06:08:46.349Z.
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.