Boracay poor sewage and septic system of the island. The conditions of Boracay in 1997 led to the installment of a potable water supply system, a sewage treatment plant and a solid waste disposal system in Boracay which was operated by the Philippine Tourism Authority (PTA). The environmental concerns persisted due to noncompliance of numerous business establishments. Then President Gloria Macapagal Arroyo declared Boracay a Special Tourism Zone in 2005 while in April 2006 she gave the PTA administrative control over the island while mandating the agency to coordinate with the provincial government of Aklan. In 2012, the Philippine Department of
2018 Boracay closure and redevelopment to be an indicator of pollution and deteriorating water conditions. The Malay municipal government, some business operators, and some residents insist that the algal bloom is a natural seasonal phenomenon that usually occurs annually in the summer, and occurred on Boracay even before the island became developed. Boracay Island Water Co. operates the sewage network of Boracay which accommodates only 61 percent of the island. The island has two central sewerage treatment plants with a total a total capacity of 11.5 million liters/day, one in Barangay Balabag and another in Barangay Manoc-Manoc, and plans the construction of a third plant