Regulations last checked for updates: Feb 10, 2026

Title 43 - Public Lands: Interior last revised: Dec 18, 2025
§ 3252.15 - When must I abandon a temperature gradient well?

When you no longer need it, or when BLM requires you to.

source: 72 FR 24400, May 2, 2007, unless otherwise noted.
cite as: 43 CFR 3252.15