25 CFR § 171.415
Can I place an obstruction on a BIA irrigation project?
February 24, 2021
No. You may not place obstructions on BIA irrigation projects.
(a) If you do so, we will notify you in writing that you must remove it.
(b) If you do not remove your obstruction in compliance with our notice, we will remove it and we will bill you for our costs.
(c) We can remove your obstruction without notice because of an urgency we have identified.