Independent report finds Mountain Valley Pipeline test failure due to manufacturer defect

West Virginia (AP)—An independent report says the Mountain Valley Pipeline’s test failure in May resulted from a manufacturer defect, not corrosion.

The report says a manufacturer’s defect in an elbow joint caused the May 1 rupture.

A Mountain Valley owner said in a letter that the breach was the only failure during hydrostatic testing of the 303-mile pipeline.

The project began operating in June across rugged mountainsides in West Virginia and Virginia.

Environmental groups, landowners, and some elected officials have long opposed it.

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