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Smart monitoring system for potable water treatment

Oberzent connects decentralized measuring points via LoRaWAN

In former times, the water master had to visit each reservoir and plant individually to read the measured values and check the instruments. Now a new LoRaWAN network has been installed, and parts of the measuring systems have been modernized to integrate the reservoirs and plants into a cloud-based monitoring system, Netilion Water Network Insights. This provides water masters with all information at any time, whether they are using a mobile device or their computer at the operations center.

Picture of the water reservoir Marbach (Germany) Copyright by Oberzent
Dashboard of water treatment system Schöllenbach Copyright by Oberzent

Dashboard of the water treatment system of Schöllenbach

Benefits for water treatment and storage

  • Effort reduction through automatic aggregation of sensor data

  • Increased ability to react thanks to proactive processing of problems in the water network

  • Time saving through reduction of daily routine tours

  • Mobile work on various devices through web-based service

Flag of Oberzent

Our water masters can now spend more time on their core tasks and less time making trips out to plants. This is key because these specialists are currently in short supply on the job market.

Christian Kehrer, Mayor of Oberzent
Germany

Safe water supply is top priority

The reliability of the water supply in each of the city’s 19 districts has top priority. As a result, the 4 water masters in Oberzent have to ensure that the water supply network is running smoothly at all times. For water treatment and storage, they gather and process information on 19 decentralized water infrastructure facilities spread out over 165 km2. The water masters spend a large portion of their workday driving around to the facilities. This is time that they can’t spend on other tasks.

Smart technology boosts efficiency

The installation of the cloud-based monitoring system Netilion Water Network Insights has made all relevant information centrally available for the water masters. They can now visualize data from 35 flowmeters, 17 level meters, 7 pressure meters and 2 analysis panels for quality monitoring. The lack of stable cellular service coverage in many areas of the Odenwald made it necessary to set up wireless data transmission that doesn’t use much energy. The solution used is called LoRaWAN technology.

Everything at a glance

The city’s water masters now see all relevant data points from their water treatment system on a cloud-based dashboard. The dashboard, developed by Endress+Hauser, shows the various networks and can be used by the water masters on a variety of devices, including smartphones, tablets and laptops. This makes it possible to skip the daily routine visits to the reservoirs and the water treatment stations. The water masters can thus use their time much more effectively.

IIoT ecosystem Netilion lays the foundation

With the Netilion IIoT ecosystem, Endress+Hauser offers a variety of solutions for a smart city. In Oberzent, the IIoT ecosystem provides the basic data needed for creating and programming individual dashboards that display the entire process of water treatment and storage. This is implemented in the online service Netilion Water Network Insights. This service enables monitoring of water networks as well as process optimization, e.g. through leak detection or reservoir management.

Solution components

  • Cloud-based monitoring of 60 decentralized sensors

  • Secure data transfer thanks to local LoRaWAN network

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