authorize law enforcement personnel from the Department of the Interior to act as law enforcement officers to enforce Federal laws and regulations within a Reclamation project or on Reclamation lands;

authorize law enforcement personnel of any other Federal agency that has law enforcement authority (with the exception of the Department of Defense) or law enforcement personnel of any State or local government, including an Indian tribe, when deemed economical and in the public interest, through cooperative agreement or contract, to act as law enforcement officers to enforce Federal laws and regulations within a Reclamation project or on Reclamation lands with such enforcement powers as may be so assigned to them by the Secretary;

cooperate with any State or local government, including an Indian tribe, in the enforcement of the laws or ordinances of that State or local government; and

provide reimbursement to a State or local government, including an Indian tribe, for expenditures incurred in connection with activities under paragraph (2).

carry firearms within a Reclamation project or on Reclamation lands;

execute within a Reclamation project or on Reclamation lands any warrant or other process issued by a court or officer of competent jurisdiction for the enforcement of the provisions of any Federal law or regulation issued pursuant to law for any offense committed within a Reclamation project or on Reclamation lands; and

conduct investigations within a Reclamation project or on Reclamation lands of offenses against the United States committed within a Reclamation project or on Reclamation lands if the Federal law enforcement agency having investigative jurisdiction over the offense committed declines to investigate the offense.