Treorchy homes evacuated after flash flooding 15 December 2013 Last updated at 09:00 Up to 30 homes in Treorchy in Rhondda Cynon Taf have been evacuated after flooding on Saturday night. An emergency centre was set up at Rhondda leisure centre by the council after the flash flooding incident. South Wales Fire and Rescue Service were involved in pumping water away from homes from around 22:00 GMT.