A Vietnamese restaurant in Reseda was the only food facility in the San Fernando Valley that was temporarily closed last week because of a major public health hazard.

Pho 999, 7255 Reseda Blvd., had its health permit suspended Dec. 30 for a cockroach infestation, according to a report from the Los Angeles County Public Health Department. There was no matching reopen date provided. The restaurant last received an A (90) grade on Sept. 26, 2016, online inspection records show.

The department did not provide details about the nature of the cockroach infestation, such as the number of cockroaches and where in the facility they were found.

Restaurants and markets whose permits are suspended must close until another inspection determines the problems have been fixed. Closures can occur during routine and owner-initiated inspections, complaint investigations and re-inspections.

Major health hazards that cause restaurant closures currently only cost facilities four points, so facilities can receive A grades at the time they are shut down. Starting sometime this year, the department will begin implementing new point deductions so that cannot occur any more.