Natural gas service was restored to about three quarters of the 1,700 customers of Columbia Gas in Donora, Washington County as of early Monday morning, according to the company.

About 425 customers remain without power. Gas company technicians will go door-to-door this morning to perform safety checks and restart gas appliances, likely restoring service to all affected by the outage, Columbia Gas spokesman Lee Gierczynski said.

The company said it shut off gas service Saturday after a contractor working on its system in Donora’s downtown business district detected “an influx of air in the (gas) line,” Gierczynski said.

“There was no safety concern or threat to customers,” as a result of the air detected in the line, Gierczynski said.

To restore service, the company said it will need to enter every affected home or business.

An adult must be present to allow Columbia Gas employees to restore service; all Columbia Gas employees and contractors wear a company-issued identification badge with their photo on it.

Customers that have special needs or medical concerns should contact Columbia Gas at 888-460-4332.

For customers not home during the service restoration process, door hangers will be left at homes informing them of the outage and asking that they call Columbia Gas at 888-460-4332 for a technician to be dispatched to restore service.

No one used the warming stations overnight Saturday into Sunday that were set up with local emergency management officials at the Carrol Township Social Hall, 130 Baird Ave.; the Carrol Township Volunteer Fire Department, 988 Route 837; or Donora Council Chambers, 603 Meldon Ave., Gierczynski said.

Joe Napsha and Brian Rittmeyer are Tribune-Review staff writers. You can contact Joe at 724-836-5252 or jnapsha@tribweb.com; Brian can be reached at 724-226-4701 or brittmeyer@tribweb.com.

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