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Continuous monitoring of quantity and quality of wastewater spilt.
With rainfall events becoming more intense, increasing numbers of urban areas with combined storm and wastewater collection systems are suffering combined sewer overflow (CSO) events.
ADASA’s Sewer Overflow Service offers continual monitoring of the quantity and the quality of wastewater spilt through each CSO and its ecological impact on the environment. It enables data-based decisions on how to improve sewers and meet regulatory compliance.
Combined systems can cause serious water pollution problems during combined sewer overflow (CSO) events. These occur when the combined sewage and surface runoff flows exceed the capacity of the sewage treatment plant, or the maximum flow rate of the system that transfers combined sources.
In many places, rainfall events are becoming more intense due to climate change and global warming. This results in more stormwater entering collection systems over shorter periods, leading to more CSO discharges. Excess flows can spill into water bodies, altering their ecological status.
Many countries have regulations that enforce CSO permit holders to monitor the quantity and quality of water discharges. Results help evaluate the ecological impact on the environment, how to mitigate future events and plan the most sustainable sewer improvements. These may include diverting rainwater from urban wastewater collection systems to watercourses, stormwater retention in sewers, treatment facilities in CSOs such as screens or net bags and more.
The Sewer Overflow Service offered by ADASA resolves many of the challenges faced by CSO permit holders when dealing with wastewater. Our user-friendly service platform continually collects, processes and stores data from all the spills being monitored, evaluating the impact on the environment. It offers alerts, data visualisation and validation as well as permitting the preparation of reports in formats required by catchment authorities.
On the ground, our equipment overcomes the wastewater monitoring issues of dry/wet conditions, lack of power supply, the low signal strength of wireless communications and more. We will take care of the deployment and maintenance of the equipment installed, give training and ongoing support, meaning regulatory compliance is achieved without wastewater manager having to deal with the challenges of running the equipment to monitor CSOs.
We use robust Internet of Things (IoT) units with autonomous power supplies and wireless communication systems, designed to collect wastewater data and upload it to the cloud. They can integrate with a multitude of sensors to implement discharge quantification systems, calculate effluent flow and enable effluent pollution quality assessments.
Sanitation Network Quality Monitoring
Terrassa City Council
Real-time, remote detection and management of pollution episodes.
Reducing energy and improving effluent in wastewater treatment.
Inland Streams Monitoring
The National Environment Agency of Singapore (NEA)
Protecting Water Quality from Urban Runoff in Singapore.