<![CDATA[The increasing demand for clean water in Padang City requires optimal performance of water treatment plants (WTPs), including the Palukahan Water Treatment Plant. In the water treatment process, Poly Aluminium Chloride (PAC) solution is used as a coagulant and injected through a dosing pump. The reliability of the dosing pump is crucial for ensuring that the quality of treated water complies with the standards stipulated in Indonesian Ministry of Health Regulation No. 2 of 2023. However, failures in the dosing pump can disrupt the coagulation process and reduce water treatment efficiency. This study aims to analyze the causes of dosing pump failures and provide recommendations for appropriate maintenance actions. The recommended maintenance strategies include periodic preventive maintenance, corrective maintenance in response to operational anomalies, and regular evaluation of pump performance parameters. This study is expected to serve as a technical reference for Perumda Air Minum Kota Padang in improving the reliability of the dosing system and maintaining the quality of clean water services for the community.]]>
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