# Hudson River - Dye Test: dye spill in Ossining, NY

**Score:** 30/100

| Field | Value |
|---|---|
| Site | Hudson River - Dye Test |
| Spill number | 2606944 |
| Location | Sparta Brook (405 Kemeys Ave), Ossining, Westchester County |
| Material | dye |
| Source | New York State DEC Spill Incidents database (data.ny.gov) |
| Cause | Deliberate |
| Waterbody | HUDSON RIVER |
| Spill date | 2026-10-21 |
| Reported | 2026-10-21 |
| Status | Closed 2026-10-22 |

## Why this score
- Reached a waterbody (HUDSON RIVER).

Source: New York State DEC Spill Incidents database (data.ny.gov) (https://data.ny.gov/d/u44d-k5fk). Last refreshed: 2026-11-04T06:06:26.485Z.
From the NYS DEC Spill Incidents database. A report records what was called in; quantities are as reported and may be estimates. Residences, roads and unnamed locations are excluded. Verify status with DEC.