Service quality in Regional Drinking Water Companies (PDAM) is a crucial factor in meeting public satisfaction in the era of digital transformation. This study aims to analyze the influence of work competence, service strategy, and e-government methods on service quality at PDAM Delta Tirta Sidoarjo. A quantitative approach with a causal-comparative design was employed in this research. Data were collected through questionnaires from 165 active customers selected using purposive sampling technique. Data analysis used multiple linear regression with the assistance of the SPSS program. The results showed that work competence, service strategy, and e-government methods have a positive and significant effect on service quality, both partially and simultaneously. Service strategy was found to be the most dominant variable. The coefficient of determination (R²) value of 0.637 indicates that 63.7% of the variation in service quality can be explained by these three independent variables. These findings confirm the importance of an integrated approach that combines human resource development, strategic planning, and technology adoption in improving public service quality.
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