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5 Benefits of Water Level Monitoring for Green Infrastructure

Updated: May 25

As cities face the growing challenges of climate change, urban planners and environmental engineers are increasingly turning to green infrastructure to manage stormwater, reduce flooding, and improve water quality. Green infrastructure solutions such as bioswales, raingardens, permeable pavements, and rainwater tree trenches offer sustainable ways to handle runoff. However, to maximize their effectiveness, it is crucial to monitor water levels accurately. Here’s why water level monitoring is vital for green infrastructure and how it benefits various systems.

1. Optimizing Performance and Efficiency

Bioswales and raingardens are designed to capture and treat stormwater runoff, allowing it to infiltrate into the ground slowly. Monitoring water levels in these systems ensures they are functioning correctly and not exceeding their capacity. By tracking water levels, city planners can:

  • Adjust designs: Ensure bioswales and raingardens are appropriately sized for their catchment areas.

  • Prevent overflows: Identify when systems are at risk of overflowing and mitigate potential flooding.

  • Improve infiltration rates: Monitor how quickly water is absorbed and make adjustments to enhance performance.

2. Preventing Structural Damage

Permeable pavements allow water to pass through their surfaces, reducing runoff and promoting groundwater recharge. However, excessive water levels can lead to saturation, weakening the pavement structure. Water level monitoring helps:

  • Ensure durability: Prevent saturation that can lead to cracking and potholes.

  • Extend lifespan: Maintain the integrity of the pavement, reducing maintenance costs and extending its lifespan.

3. Enhancing Tree Health and Growth

Rainwater tree trenches collect and store stormwater, providing essential hydration to urban trees. Monitoring water levels in these trenches ensures trees receive adequate water without becoming waterlogged. This benefits urban forestry by:

  • Promoting healthy growth: Ensuring trees receive the right amount of water.

  • Preventing root rot: Avoiding excessive water that can damage tree roots.

  • Supporting urban cooling: Healthy trees contribute to urban cooling and improved air quality.

4. Improving Water Quality

Green infrastructure solutions are often used to improve water quality by filtering pollutants from stormwater. By monitoring water levels, cities can ensure these systems are working efficiently. For example:

  • and rain-gardens: Track water levels to ensure sufficient contact time for pollutant removal.

  • Permeable pavements: Monitor to prevent clogging that can reduce filtration efficiency.

  • Rainwater tree trenches: Ensure proper drainage and filtration to protect groundwater quality.

5. Supporting Data-Driven Decisions

Accurate water level data provides valuable insights for urban planners and environmental engineers. This data supports:

  • Informed planning: Designing future green infrastructure projects based on real-world performance.

  • Adaptive management: Making real-time adjustments to existing systems for optimal performance.

  • Regulatory compliance: Meeting local and regional stormwater management regulations.


Water level monitoring is an essential component of maintaining and optimizing green infrastructure. By ensuring these systems operate effectively, cities can better manage stormwater, reduce flooding, improve water quality, and support urban sustainability. Investing in advanced monitoring technologies not only enhances the performance of green infrastructure but also contributes to the resilience and health of urban environments.

At Novion, we specialize in providing comprehensive monitoring solutions for green infrastructure. Our advanced sensors and Climate Intelligence Platform deliver real-time data, empowering cities to make data-driven decisions and achieve their sustainability goals. Partner with us to enhance the performance of your green infrastructure and build a more resilient future.

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