How can cities better prepare for health risks caused by floods? IIT Roorkee has developed HyEco, a modelling tool designed to predict how floods can spread disease-causing microbes in urban areas. It also identifies locations where people may face a higher risk of infection during flood events.
- HyEco combines flood mapping, water quality analysis, and health risk assessment.
- The tool was tested using data from the 2023 Delhi floods.
- More than 60% of flooded areas in Delhi were classified as high or very high risk.
- High levels of E. coli bacteria were found, indicating faecal contamination.
- HyEco helps authorities plan early responses to flood-related health threats.
What is the HyEco tool and how does it work?
HyEco is a modelling framework developed by researchers at IIT Roorkee's Department of Water Resources Development and Management. It integrates flood mapping data with water quality measurements and health risk assessments. This combination allows it to track how harmful microorganisms travel through floodwaters in cities.
According to Mohit P Mohanty, a researcher involved in the project, "Floods don't just damage buildings; they can trigger silent health crises. HyEco gives us the power to see where the danger will be highest, so action can be taken before it's too late." The tool estimates microbial contamination levels and potential health effects from exposure to contaminated floodwaters.
How was HyEco tested during the 2023 Delhi floods?
The research team applied HyEco to data collected during the 2023 floods in Delhi. Their analysis revealed that over 60 percent of flooded areas fell into high or very-high-risk categories for disease transmission. They also detected Escherichia coli (E. coli) bacteria levels far above safe limits, indicating significant faecal contamination.
Floodwaters often mix with untreated sewage and industrial waste, increasing the risk of waterborne diseases such as diarrhoea and cholera. Traditional flood forecasts focus on water spread and depth but do not fully capture these health risks. HyEco fills this gap by providing detailed information on microbial contamination and health hazards.
How does HyEco support flood preparedness and public health?
HyEco’s ability to identify high-risk zones enables authorities to plan targeted responses during floods. This includes issuing public health warnings, enhancing sewage treatment, cleaning drainage systems before monsoon seasons, and taking preventive measures to reduce human contact with polluted water.
The tool's framework could be adapted for other flood-prone cities across India, helping to improve disaster management nationwide. It also supports national initiatives like the Swachh Bharat Mission, the National Mission for Clean Ganga, and the National Disaster Management Plan.
Moreover, HyEco aligns with United Nations Sustainable Development Goals related to health, clean water, sustainable cities, and climate action. By predicting where floodwaters may carry harmful microbes, the tool helps protect public health and promotes safer urban environments.
What are the broader implications of this research?
The development of HyEco marks an important step in integrating environmental science with public health planning. It highlights the need to consider microbial contamination in flood risk assessments, beyond just physical damage caused by water.
As climate change increases the frequency and severity of floods, tools like HyEco will become essential for urban resilience. They provide data-driven insights that can save lives and reduce the burden of waterborne diseases during flood events.
Frequently Asked Questions
Q: What types of diseases can floods spread according to HyEco?
A: Floodwaters contaminated with sewage and industrial waste can spread waterborne diseases such as diarrhoea and cholera.
Q: Can HyEco be used in cities other than Delhi?
A: Yes, the tool's framework can be adapted for other flood-prone cities in India after further testing.
Q: How does HyEco help authorities during floods?
A: It identifies high-risk zones for microbial contamination, enabling early warnings and targeted public health interventions.
