# Water Treatment Plant: other  -  sodium chlorite spill (15 gallons) in Colonie, NY

**Score:** 45/100

| Field | Value |
|---|---|
| Site | Water Treatment Plant |
| Spill number | 2605939 |
| Location | 100 Onderdonk Ave, Colonie, Albany County |
| Material | other  -  sodium chlorite |
| Quantity | 15 gallons |
| Source | New York State DEC Spill Incidents database (data.ny.gov) |
| Cause | Equipment Failure |
| Spill date | 2026-09-18 |
| Reported | 2026-09-18 |
| Status | Open |

## Why this score
- Still open with DEC: cleanup and closure work pending.

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.