Water conservation is a critical emerging concern, especially in water-intensive industries such as hospitality where laundry and dishwashing operations account for a large percentage of water use and waste. Compounding this issue, the current chapter rigorously explores novel techniques employed to maximize the use of water resources, with a clear focus on the interplay between engineering solutions and digital intelligence. It provides a critical review of the theoretical potential of water recycling systems with different filtration and recycling methods and technological methods with sensor-driven approaches for monitoring, intelligent controls enabled by the Internet of Things (IoT) and artificial intelligence (AI). These innovations enable targeted management of water supply, dynamic decision-making, and anticipatory maintenance, thus reducing waste and improving efficiency in water re-usage. Furthermore, the chapter analyzes engineered systems tailored to laundry and dishwashing workflows, underscoring the significance of data analytics in assessing system operational parameters and refining system performance. It is critical to industry-wide adoption, and the awareness of such innovation is crucial to overcoming cost, technical expertise, and scale barriers. Ultimately, this discussion advocates for the methodical incorporation of innovative solutions as a key cornerstone of sustainable development, advancing economic viability and ecological stewardship.