KAJIAN KUALITAS AIR LAUT DAN INDEKS PENCEMARAN BERDASARKAN PARAMETER FISIKA DI PANTAI SEMILIR JENU TUBAN
DOI:
https://doi.org/10.66953/hijaz.v5i1.41Abstract
Seawater quality is a key determinant of the ecological health and tourism value of coastal areas. This study aimed to assess the seawater quality of Semilir Jenu Beach, Tuban, East Java, based on physical parameters and to calculate the pollution index to determine its water quality status. The study used a quantitative approach with a field research design. Temperature, pH, and total dissolved solids (TDS) were measured directly at six observation times on June 25, 2024, using a digital thermometer, a digital pH meter, and a TDS meter. The data were analyzed using the Nemerow and Sumitomo Pollution Index and compared with the seawater quality standards stipulated in Decree of the State Minister of the Environment No. 51 of 2004. The pollution index (PI) values were 0.76 for temperature, 1.08 for pH, and 0.96 for TDS. Temperature and TDS met the quality standards (good condition), whereas pH fell into the lightly polluted category. Overall, based on the physical parameters measured, the seawater quality at Semilir Jenu Beach remained good and suitable for recreation. This study provides baseline information for coastal environmental management. Regular monitoring that also covers chemical and biological parameters is recommended to obtain a more comprehensive assessment.
Keyword: acidity level, physical parameters, pollution index, seawater quality, temperature, total dissolved solids
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