Group 1 - The article emphasizes the importance of understanding and implementing the new national standards for drinking water, specifically GB5750-2023, to avoid confusion and execution loopholes [2] - It highlights the challenges in the intelligent control of wastewater treatment plants and offers strategies for process optimization and cost control driven by data [2] - The article discusses the hidden pollution risks in drinking water, such as microplastics and resistant genes, and presents rapid detection technologies and emergency response plans to enhance safety from source to tap [2] Group 2 - It provides a comprehensive guide for instrument selection, ensuring precise monitoring instruments are matched to specific scenarios [2] - The article outlines the golden rules for sample pretreatment and the construction of water quality diagnosis models to eliminate the cycle of inaccurate data and ineffective solutions [2]