Artificial Intelligence (AI) is increasingly being used to enhance the efficiency, reliability, and sustainability of water resources management. By analyzing large volumes of data in real time, AI supports smarter, faster decision-making across water infrastructure, operations, and planning. Read how Korea’s K-water is applying AI to automate and optimize water treatment processes, lower costs, and improve safety.

By Robert C. Brears

Real-Time Monitoring with AI Improves Water System Performance

AI strengthens real-time monitoring by combining sensor data and remote technologies. Machine learning analyzes inputs like weather, streamflow, groundwater levels, and water quality to spot anomalies and risks. This enhances forecasting of water availability and demand, helping prevent shortages and contamination.

AI Optimizes Operations in Treatment and Distribution Systems

AI is improving how treatment plants and water networks operate by analyzing real-time data on flow, pressure, and chemical dosing. These insights help optimize performance, lower energy and chemical use, and maintain quality. In distribution, AI detects leaks and pressure issues early, allowing faster responses and reducing water losses.

Predictive Maintenance with AI Supports Proactive Asset Management

AI enables predictive maintenance by analyzing data from pumps, valves, and other equipment to forecast potential failures. Using inputs like vibration, temperature, and flow, AI provides early warnings that help reduce downtime, extend asset lifespan, and cut maintenance costs.

AI Strengthens Forecasting and Strategic Planning

AI improves water demand forecasting by combining data on usage trends, population growth, and seasonal shifts. These insights support better planning for supply and infrastructure needs. AI-powered decision support tools can simulate various scenarios, helping utilities evaluate the effects of droughts, policies, or upgrades on overall system performance.

AI Enhances Surveillance and Safety in Water Infrastructure

AI-powered video and sensor systems provide continuous monitoring of water infrastructure. Using image recognition and pattern detection, they identify issues like contamination or equipment faults. These tools improve response times and reduce the need for manual inspections, especially in large or remote facilities.

Case Study: K-water’s AI Water Treatment Plant Sets New Standards for Smart, Autonomous Utility Operations in South Korea

In April 2022, in South Korea, K-water launched the country’s first AI Water Treatment Plant at the Hwaseong facility, marking a transition from human-managed to AI-powered water purification. The system leverages big data and AI to autonomously manage the entire water treatment process across eight stages, from intake to granular activated carbon filtration. This approach integrates four core technologies: autonomous operations, energy management, predictive maintenance, and AI-based video safety.

The AI autonomous operation system collects real-time water quality and quantity data through sensors analyzed by AI models trained over several years. The AI executes control commands, such as adjusting chemical injection rates and scheduling equipment operations. As a result, chemical costs have been reduced by more than 4%. In parallel, the Energy Management System monitors power use and optimizes pump operations based on minimum pipe pressure and predicted peak demand, cutting electricity costs by over 5%.

The Predictive Maintenance System further strengthens operational reliability by analyzing equipment vibrations in real-time to detect early signs of failure. This has enhanced safety by enabling proactive repairs. Meanwhile, AI-powered CCTV systems continuously monitor for incidents like fire, leakage, or intrusions, achieving a 96% accuracy rate validated by independent certification.

Recognized by the World Economic Forum as a “Global Lighthouse” in the water sector, K-water aimed to expand this AI system to 43 additional plants by the end of 2024. The initiative has demonstrated tangible benefits, including 42% fewer manual interventions and significant cost savings, supporting K-water’s policy of freezing tap water rates despite rising operational expenses.

The Take-Out

AI is transforming water management by enhancing efficiency, reliability, and decision-making across the entire water cycle.