Study On Hexsavalen Chromium Content (Cr6+) In Raw Water Source Of Krueng Meurebo River, West Aceh
Keywords:
Cr6+, Hexavalent Chromium, River, Water, West AcehAbstract
Illegal industrial and mining activities in the upstream coastal area of West Aceh are at risk as a source of heavy metal pollution for raw water sources of local communities. One of them is chromium VI (Cr6+) heavy metal which is harmful because it cannot decompose in the body and become a poison that causes health effects on humans as well as aquatic organisms. The Krueng Meureubo River, as the main source of raw water that meets the clean water needs of the local community, is now threatened by this potential contamination. Objective: This study aims to analyze Cr6+ exposure in raw water source of the Krueng Meurebo River, West Aceh. Water sampling was carried out at 3 points along the Krueng Meurebo River, namely the waters of the Tuha Mosque, Ranto Panyang Barat and Runding. Each sample was analyzed using a tablet reagent, followed by further examination using the ZE-200 photometer to determine the content of heavy metal Cr6+ at each sampling points. The results of the analysis of Cr6+ heavy metal exposure in the waters of the Tuha Mosque were 0.10 mg/l, while the results in Ranto Panyang and Runding were 0.08 mg/l. This result is above the maximum limit of Cr6+ content allowed in water as many as 0.01 mg/l. The Krueng Meureubo River stream shows significant levels of exposure to heavy metals Cr6+, posing a serious threat to the health of communities who rely on the river's raw water source. With these conditions, immediate action is needed in the form of an Environmental Health Risk Analysis (ARKL) to further assess the impact of Cr6+ exposure on human health. Measures to prevent and handle industrial waste need to be optimized immediately to protect the environment and public health in the West Aceh region
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