Signal Interference Affecting Tank Monitoring? What to Know Before Choosing LoRa

Author : My Tank | Published On : 11 Aug 2026

Wireless connectivity can make water tank monitoring much easier, especially when tanks are located on rooftops, across large facilities, or in areas where installing cables is difficult. However, wireless signals can sometimes be affected by the surrounding environment.

When considering LoRa for tank monitoring, it is important to understand what can affect signal quality and how the installation environment can influence communication reliability.

What Is Signal Interference?

Signal interference occurs when other signals, physical obstacles, or environmental conditions affect wireless communication between a sensor and its gateway.

In a water tank monitoring system, this could result in delayed readings, missed data transmissions, or temporary communication gaps.

LoRa is designed for long-range communication, but long range does not mean that signals are completely unaffected by the environment.

Why Tank Locations Matter

The location of a water tank can have a significant impact on wireless communication.

A rooftop tank with a clear path to the gateway may have different communication conditions compared with a tank located inside a concrete building, underground area, or industrial facility.

Before installing LoRa sensors, it is important to consider the distance between the sensor and gateway as well as the structures between them.

 

How Buildings Can Affect LoRa Signals

Concrete walls, reinforced structures, metal surfaces, and other building materials can weaken wireless signals.

Industrial facilities can be particularly challenging because they may contain large metal equipment, machinery, pipes, and storage structures.

This does not necessarily mean LoRa cannot be used in such environments. Instead, gateway and sensor placement should be planned according to the physical layout of the facility.

Multiple Tanks and Wireless Coverage

Monitoring several tanks can introduce additional considerations.

If tanks are spread across different buildings or floors, the gateway needs to be positioned where it can communicate reliably with the connected sensors.

A proper site assessment can help determine whether one gateway is sufficient or whether additional network infrastructure may be required.

Does the Sensor Technology Matter?

Wireless communication is only one part of a tank monitoring system. The technology used to measure the water level is equally important.

A Radar Water Level Sensor uses electromagnetic waves to measure the distance between the sensor and the water surface. This allows the sensor to measure the level without physical contact with the water.

Radar can be useful in applications where conditions such as foam, vapour, condensation, or turbulence may make some other measurement methods more challenging.

Separating Measurement From Communication

It is useful to remember that water-level measurement and wireless communication perform two different functions.

The sensor needs to accurately determine the water level, while the communication system needs to transmit that information to the monitoring platform.

For example, a Radar Water Level Sensor may accurately measure the water level, but if the wireless connection is unreliable, the latest reading may not reach the dashboard immediately.

A reliable monitoring setup therefore needs both suitable sensing technology and appropriate wireless connectivity.

How to Reduce Signal Problems

Several steps can help improve LoRa communication reliability.

First, choose a suitable gateway location with good coverage of the monitored tanks. Avoid placing the gateway in heavily enclosed areas when possible.

Second, consider physical obstacles between the sensors and gateway. Large metal structures and thick walls should be taken into account during installation planning.

Finally, test communication at the actual sensor locations before completing the installation. A real-world test can provide a better understanding of coverage than relying only on theoretical range specifications.

Don't Focus Only on Maximum Range

LoRa products often advertise long communication ranges, but actual performance depends on the installation environment.

Open outdoor areas may provide better range than dense buildings or industrial environments. The number and type of obstacles, gateway height, antenna placement, and surrounding infrastructure can all influence performance.

Therefore, it is better to evaluate expected coverage based on the actual site rather than choosing a system solely because it has a high advertised range.

What to Check Before Choosing LoRa

Before selecting a LoRa-based tank monitoring solution, consider:

• Distance between tanks and gateway

• Concrete walls and metal structures

• Number of tanks being monitored

• Gateway location

• Antenna placement

• Indoor or outdoor installation

• Required reporting frequency

• Power availability

• Monitoring platform compatibility

These factors can help determine whether LoRa is suitable for the specific application.

 

Conclusion

LoRa can be a useful option for wireless water tank monitoring, particularly when tanks are distributed across large areas or when installing long communication cables is impractical. However, its performance depends on the environment in which the system is installed.

Physical obstacles, building structures, gateway placement, and distance can all affect wireless communication. At the same time, selecting the right measurement technology is essential for obtaining reliable tank-level information.

A Radar Water Level Sensor can provide non-contact water-level measurement, while LoRa can handle the wireless transmission of that data. By evaluating both the sensing requirements and the communication environment before installation, businesses can build a more reliable tank monitoring system.