​​​​​​Th​is information is preliminary and subject to change.

​​Release Date 5 Feb. ​2026​ Investigative Update​

The NTSB has concluded the on-scene portion of its investigation into the Feb. 15 natural gas-fueled home explosion and fire in Centreville, Virginia.

Investigators identified a section of polyethylene plastic pipe near the corner of Quail Pond Court and Belle Plains Drive that leaked air during pressure testing. That section of pipe was removed and sent to the NTSB Materials Laboratory in Washington, D.C., where it will be examined to determine the cause of its failure.

The NTSB investigative team directed and oversaw Washington Gas conduct additional pressure testing of the surrounding distribution system in the area where gas was indicated and found no evidence of any other leaks.

NTSB’s next update will be the preliminary report, which will be posted to the investigation webpage within 30 days. A link to the report will also be shared on the NTSB Newsroom account on X.

The preliminary report will include factual information gathered during the initial phase of the investigation. The probable cause of the accident, along with any contributing factors, will be detailed in the final report, which is expected to be completed in 12–24 months.

Media inquiries regarding current site operations and residential reentry should be directed to Department of Fairfax County Fire and Rescue or Washington Gas.