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Water Network Monitoring – Zalavíz

Modernizing Zalavíz Zrt.’s drinking water supply system using innovative tools, providing real-time information without the need for manual intervention.

To modernize Zalavíz Zrt.’s drinking water supply system, we implemented an innovative WaterScope IoT pressure and flow monitoring system that provides real-time information on the network’s status without intervention. WaterScope’s technology uses data to assist with pressure optimization, the detection of water losses and illegal water withdrawals, and to increase operational efficiency.

Objective

The goal of the project was to provide Zalavíz Zrt. with accurate and continuous information on the operation of the drinking water network without requiring any intervention in the existing pipe system. Monitoring and regulating pressure levels—even broken down by pressure zones—enables the reduction of network load, the enhancement of supply security, and the improvement of operational efficiency. Additionally, it was important that the system be capable of quickly detecting potential anomalies, such as illegal water use or sudden pressure drops.

The challenge

Previously, up-to-date, real-time data on network conditions was not available.

Regional variations in pressure values and nighttime fluctuations were difficult to track.

The operator was unable to effectively monitor the operation of pressure-reducing valves (PRVs).

Detecting illegal water use was only possible retrospectively, through lengthy investigations.

Our solution

Installation of the WaterScope IoT system with wireless data transmission (LoRa technology).

We deployed devices at various points in the water supply network that continuously collect and transmit pressure and flow data.

The system allows for the sending of alerts in the event of overpressure, pressure drops, or fire hydrant activation.

It also generates data in the form of automatic daily, weekly, and monthly reports in exportable formats (XLS, CSV).

Users can easily view the measured data on a mobile device or tablet.

The results

By monitoring the operation of pressure-regulating valves, the network pressure level (in this case, 3.5–4 bar) can be optimized.

Nighttime pressure changes are easily identifiable—for example, fluctuations between 1:00 a.m. and 6:00 a.m. are caused by the automatic refilling of a water tower.

The Smart Hydrant Pro is multifunctional: it not only measures pressure but also alerts users to sudden pressure drops or the opening of a fire hydrant.

Based on certain measured data, illegal water withdrawal was suspected, which the system quickly flagged.

The system enables accurate DMA (District Metered Area) analyses, supporting leak detection and pressure management programs.

System benefits

Real-time monitoring

Reliable data available at any time of day, accessible from anywhere.

Cost-effective installation

Can be implemented without physical intervention in the existing system.

Automatic Alerts

Quick response to excessive pressure, pressure drops, or water theft.

Flexible Reporting

Reports can be customized and easily exported.

Detection of Illegal Water Use

Data-driven with rapid identification.

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