WASTEWATER MEASUREMENT RESOURCES
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As Wastewater Manager for four sewage treatment plants spread across Colchester County, Nova Scotia, Nicole MacDonald faced the daunting task of ensuring all systems continued to function seamlessly on a 24/7 basis. Each plant had its own separate monitoring and control system that allowed it to function autonomously
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Nearly a billion people worldwide lack basic water services and another billion lack safely managed drinking water, according to a United Nations Report on Water and Sanitation. And the problem is only getting worse: Currently, 17 countries and 33 of the world’s cities with populations above three million are living under extreme water stress. That number is expected to rise to 45 by 2030.
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Water utilities with highly successful monitoring programs tend to share a common trait: they have a well-defined plan for calibration that emphasizes frequency and tracking. However, when done properly, this process is time-consuming and often leads to unnecessary labor and downtime. The good news is that advanced metering technology is available for plants to get a better handle on the instrument’s performance with significantly less effort.
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Much has been made of the gap in knowledge to come when the water industry’s aging workforce reaches retirement. With advances in simulation training software capable of getting new employees familiar with plant processes, it may be an analog fear in the digital world.
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Riverside, CA, had a wealth of data, but in 30 separate systems, and reporting was time-intensive. Their solution was to integrate all real-time and operational data into the PI System, and create dashboards and automated reports for deeper and faster data access. Read the full case study to learn more.
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The introduction of simple, reliable, and affordable in situ sensors based on ion selective electrode (ISE) technology provides the opportunity for more advanced activated sludge control strategies. For example, aeration control using ammonium as a response variable in addition to or in place of dissolved oxygen (DO) using continuous monitoring and control instruments.
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Explore how a water utility in Oporto, Portugal, designed, developed, and implemented an innovative solution for Smart Water Management by integrating existing IT solutions into a single platform.
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The City of Atlanta Department of Watershed Management (the City) engaged Optimatics and Stantec Consulting to develop optimized Long-Term Control Plans (LTCPs) for three of their sewersheds using the Optimizer platform. The City of Atlanta DWM is a large utility in the Atlanta area, servicing 1.2 million customers. The utility places strong emphasis on sustainable stormwater management practices and utilizes green infrastructure throughout its networks.
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The city of Baltimore uses a collection system hydraulic model to address asset management issues and improve sewer, stormwater and flood mitigation. This client was able to resolve critical challenges using the latest modeling software.
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Drinking water treatment systems utilize chemical coagulants to assist in mitigating turbidity from surface source waters. In most cases, coagulant consumption is the largest operating cost within a facility. Over the past few years, coagulant prices have increased significantly, putting pressure on utilities to look for ways to reduce chemical consumption. Coagulants rely on certain conditions to perform, namely particle charge, pH, water temperature, turbidity, and organic level. However, the technology to optimize chemical performance is lacking in this industry.