<![CDATA[Anthropogenic pressure in the coastal waters of Cilincing, North Jakarta, degrades water quality and threatens green mussel (Perna viridis) aquaculture safety. This study analyzed water quality status using the Pollution Index (PI), environmental parameter interactions via Principal Component Analysis (PCA), and Cd, Pb, and Zn bioaccumulation based on the Bioconcentration Factor (BCF) in P. viridis across five sampling stations representing estuary, reclamation, and nearest, middle, and farthest aquaculture zones. Water, sediment, and biota samples were analyzed using ICP-OES following SNI and APHA standards. Results showed seawater quality ranged from lightly to moderately polluted (Stations 1, 2, and 5 were moderately polluted; Stations 3 and 4 were lightly polluted). PCA explained 94.3% of total data variability through two principal components (PC1: TSS, oil and grease, ammonia, nitrate, phosphate, salinity, TDS, and transparency; PC2: temperature, pH, and DO). Cd and Pb were undetected in P. viridis, whereas Zn accumulated at a low category (BCF < 100). This study concludes that Cilincing coastal waters are degraded; although Zn bioaccumulation remains low, its concentration exceeds BPOM safe consumption limits. Stricter land-based waste control and periodic surveillance are recommended to ensure food safety and ecosystem sustainability.]]>
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