In times of climate change, water resources are shrinking at an alarming speed worldwide, making water a focal point of social and political contestation. Essential for environmental and human wellbeing, and economic prosperity, competing demands on water’s finite resources amidst the global water crisis raise critical justice questions regarding allocation, accessibility, legitimate recipients, or prioritized uses. Access to water is deeply intertwined with political decisions, as it heavily depends on infrastructure and governance. Depoliticization, however, renders water issues to technical or economic terms, aligning with neoliberal practices that commodify and privatize water resources. This approach often neglects the inherent political and social dimensions of water, privileging corporate interests while restricting access for the poor and powerless. This article examines how (de)politicization shapes such water realities by applying theoretical perspectives on (de)politicization and environmental justice. Through a systematic literature review and interpretative content analysis, we explore how (de)politicization is conceptualized in scholarly discussions, identifying common themes in the water context, the scales and regions addressed, and the roles of various actors and actions involved. Our research reveals a persistent tension between depoliticization and repoliticization. While depoliticization, though conceptually rather imprecise, obscures accountability and perpetuates neoliberal practices leading to exclusion, repoliticization, driven by activism, addresses policy deficiencies and amplifies marginalized voices. By illuminating these dynamics, this study enhances the understanding of (de)politicization in the water realm and its implications for justice.