Test Well 4 (TW-4)
Active Other well
| API number | 31-087-30000 |
|---|---|
| Operator | Trustees of Columbia University - Lamont Doherty |
| County | Rockland, New York |
| Permitted | 2013-06-04 |
| Spudded | 2013-07-15 |
| Completed | 2013-09-25 |
| Depth | 2,000 ft |
| Surface location | 41.002920, -73.910610 · wells within 1 mile |
| State record | New York State Department of Environmental Conservation, Division of Mineral Resources ↗ |
| Data as of | 2026-10-16 |
From New York State Department of Environmental Conservation, Division of Mineral Resources public records. Verify with the state before relying on this information.