ToDrinQ will support the implementation of the revised Drinking Water Directive by developing and testing a compendium of modular complementary innovative solutions (hereafter termed the ‘ToDrinQ Toolkit’) including novel real time sensing and water quality monitoring technologies, innovative, modular treatment processes and interoperable, easy to deploy decision tools that support resilient, evidence-based water treatment plant design and improved overall water system operational awareness, risk assessment and risk management. Though the Toolkit we aspire to increase the resilience of drinking water systems in terms of both increased robustness (against short term stresses) and adaptability (against longer term uncertainties) grounding our innovations on 5 diverse real-world cases. The consortium is perfectly placed to achieve significant progress beyond the state of art based on a research-technology alliance of leading universities and research institutes and innovative technology developers including deep tech SMEs. It is also ideally placed to maximise relevance and impact by grounding its innovations on diverse real-world cases through co-creation with five pro-active water companies (in the Netherlands, Greece, France, Switzerland, and the Czech Republic), and maximise outreach through the influential multi-stakeholder, network Water Europe.