<![CDATA[This study evaluates the carrying capacity of Litopenaeus vannamei ponds based on water quality parameters in Purworejo Village, East Lampung, Indonesia. Water samples were collected from five ponds over a 90-day culture period, measuring physicochemical parameters including temperature, pH, dissolved oxygen (DO), salinity, ammonia, nitrite, and hardness. Results showed temperature ranging from 28 to 31°C, pH 7.5 to 8.2, DO 6.8 mg/L, salinity 15–22 ppt, ammonia 0.02 to 0.07 mg/L, nitrite 0.05 to 0.12 mg/L, and hardness 1,200 to 2,300 mg/L. Most values were within the optimal ranges for vannamei shrimp culture according to FAO and national standards, although DO fluctuations and elevated nitrite levels may constrain stocking density. These findings indicate that the studied ponds remain suitable, with an estimated optimal carrying capacity of 80–100 shrimp/m². This study provides baseline data for water quality management and sustainable stocking strategies in vannamei shrimp aquaculture at Purworejo Village, Pasir Sakti Subdistrict, East Lampung District, East Lampung.]]>
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