Negros Oriental Browse cities with water & wastewater management location pages in Negros Oriental. Ayungon Ayuquitan Bacong Bais Basay Bayawan Canlaon Dauin Dumaguete City Guihulñgan Jimalalud La Libertad Mabinay Manjuyod Pamplona Payabon San Jose Santa Catalina Siaton Sibulan Tanjay Tayasan Valencia Vallehermoso Zamboanguita