ANALISIS KUALITAS AIR DAN DAYA TAMPUNG PERAIRAN PULAU SERANGAN UNTUK PENGEMBANGAN DESA WISATA

Abstract

The measurement of physical, chemical, and biological water quality parameters in the waters of Serangan Island, Bali, was conducted in accordance with seawater quality standards set out in Government Regulation No. 22 of 2021. The results for the physical parameters are as follows: temperature ranged between 28–30°C; pH 8–8.2; brightness 0.68–1.66 m; current velocity at all three stations was <0.1 m/second; and depth 5.7–8 m. Chemical parameters included dissolved oxygen (DO) 6–6.8 mg/l and BOD 1.9–2.8 mg/l. For biological parameters, the E. coli level was 653–24,505 MPN/100 ml and total coliform was 2,147–86,200 MPN/100 ml. An analysis of the pollution load capacity that must be reduced by the waters of Serangan Island, based on the BOD₅ pollution load, was 16,461,184.08 kg/day at station 1; 27,300,350.96 kg/day at station 2; and 13,072,807.50 kg/day at station 3. Therefore, all observation stations have exceeded the maximum carrying capacity. A SWOT matrix-based analysis of the perceptions and behaviors of the Serangan Village community resulted in strategies to be implemented, namely: Establishing a program to enforce supervision of waste management effectiveness overseen by the local government; and conducting training, providing treatment equipment, and socializing regulations involving all stakeholders.