Rainwater tank gauges are devices used to monitor the water level inside a rainwater tank, ensuring efficient water usage and management. These gauges provide real-time readings, helping homeowners, farmers, and businesses track their water supply without needing to open the tank manually.

There are various types of rainwater tank level indicators, including mechanical float gauges, digital sensors, and wireless smart gauges. Some models offer remote monitoring via smartphone apps, making it easier to manage water levels accurately.