Tips for Detecting and Addressing Water Tank Leaks

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Water tanks are essential to a household’s water supply system, providing a constant water supply throughout the year. However, a leaking water tank can cause significant problems, including damage to your home’s foundation, walls, and floors. In this article, we will discuss some of the common reasons why your water tank might be leaking.

Age and Wear and Tear

One of the most common reasons for water tank leaks is age and wear and tear. Over time, the tank’s materials can deteriorate, leading to cracks, holes, and other types of damage that can cause leaks. Older tanks are more likely to develop leaks, and inspecting them regularly for signs of wear and tear is essential.

Incorrect Installation

Incorrect installation can also cause water tank leaks. If the tank is not installed correctly, it can cause stress on the joints and seams, leading to leaks.

It’s essential to ensure that a professional installs your water tank to avoid these issues. Furthermore, the tank’s position should be level, and the base should be secure and stable to prevent any uneven weight distribution that may cause the tank to crack or leak.

Overfilled Tank

Overfilling your water tank can cause leaks as well. When you overfill the tank, the water can put extra pressure on the seams and joints, causing them to crack and leak. It is essential to ensure that you do not overfill your tank and consistently monitor the water levels to avoid this problem.

Loose or Damaged Fittings

Loose or damaged fittings can also cause water tank leaks. The fittings are the components that connect the pipes to the water tank, and if they are loose or damaged, they can cause leaks.

It’s essential to inspect the fittings regularly and tighten them if necessary. If the fittings are damaged, they may need replacing to prevent further leakage. Tank repairs should always be done by a professional to ensure that they are done correctly and safely.

Cracked or Damaged Lid

The lid of your water tank can also be a common cause of leaks. If the cover is damaged or cracked, it can allow water to escape from the tank. It’s essential to inspect the lid regularly and replace it if it’s damaged. Additionally, it’s vital to ensure that the lid is correctly fitted, as an ill-fitting lid can also cause leaks.


Corrosion is another common reason for water tank leaks. It can occur when the tank’s material reacts with the water, causing rust to form.

The rust can weaken the tank’s structure, leading to leaks. Regular inspection and maintenance of your water tank can help prevent corrosion and prolong the tank’s lifespan.


There are several common reasons your water tank might leak, including age and wear and tear, incorrect installation, overfilled tank, loose or damaged fittings, cracked or damaged lids, and corrosion. Regular water tank inspection and maintenance can help prevent leaks and prolong its lifespan. If you notice any leaks, it is essential to address them promptly to avoid more significant problems.

If you’re looking for top-notch tank repairs, turn to us at ATM Tanks. We offer a range of services, including repair, maintenance, and installation of water tanks. Our expert team has years of industry experience and uses only the best quality materials and equipment to ensure a job well done. Contact us today to schedule a consultation and ensure your water tank is in good working order.

Aaron James
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About The Author

Aaron James
Aaron has been working at ATM Tanks for the past 5 years. He has completed a wide range of projects across Australia including new tank builds, cleaning and servicing existing tanks and countless tank inspections. However he has excelled recently at project management for ATM Tanks.

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