# NYS Dep Construction Site Ken-1: drilling fluid spill (0.5 gallons) in Valhalla, NY

**Score:** 65/100

| Field | Value |
|---|---|
| Site | NYS Dep Construction Site Ken-1 |
| Spill number | 2607138 |
| Location | Intersection Columbus Ave & Old West Lake Drive, Valhalla, Westchester County, 10595 |
| Material | drilling fluid |
| Quantity | 0.5 gallons |
| Source | New York State DEC Spill Incidents database (data.ny.gov) |
| Cause | Equipment Failure |
| Spill date | 2026-10-28 |
| Reported | 2026-10-28 |
| Status | Open |

## Why this score
- Still open with DEC: cleanup and closure work pending.
- Reported in the last two weeks.

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.