A whistleblower lawsuit alleged Hunt Companies officials submitted false maintenance information to the Air Force in order to get higher performance incentive payouts.
The crisis has affected more than 9,000 Navy, Army and Air Force households at Joint Base Pearl Harbor-Hickam and the Army’s Aliamanu Military Reservation and Red Hill communities, which are on the Navy water system.
The health protection condition status for the Pentagon Reservation hasn't changed, but officials are tightening restrictions and safety measures for the worksite.
The investigation was requested by Hawaii's congressional delegation in light of the toxic water crisis at Joint Base Pearl Harbor-Hickam affecting military personnel and families.
The military services have so far approved just 4,167 claims for the temporary increase in Basic Allowance for Housing, far fewer than were anticipated by defense officials.