AQWALYTICS is an advanced service for monitoring the quality of water bodies at high resolution. This system ensures precise, continuous, and tailored monitoring of key parameters such as water surface temperature, transparency, turbidity, and chlorophyll-a concentration for public and private stakeholders. The service aims at providing a tangible response to address today’s critical water challenges, from resource scarcity and rising temperatures to declining quality, and protecting biodiversity, human health, and economic vitality. The service offers a territorial approach to focus on local needs and provide advanced analytics which will support suitable decision-making.