MORGANTOWN, W.Va. (AP) — West Virginia environmental regulators are rescinding approval for building the Mountain Valley Pipeline, which would carry natural gas down the center of West Virginia for 195 miles.

In a letter Thursday, the Department of Environmental Protection said it's vacating the water quality certification issued in March, which followed review of the projected impact on the state's waters and public hearings.

"This decision will allow the agency to re-evaluate the complete application to determine whether the state's certification is in compliance with Section 401 of the fede...