Tank Liners & Water Quality: Safeguarding Potable Water Storage | ATM Tanks

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Water Quality

Potable water storage is a crucial aspect of ensuring a continuous and safe water supply for communities worldwide. However, maintaining the quality of stored water can be a challenging task, especially when it comes to factors that can compromise water safety such as contaminants, bacteria, and corrosion. Tank liners play a pivotal role in safeguarding potable water storage by providing a protective barrier between the tank interior and stored water.

In this article, we will explore the importance of tank liners in maintaining water quality for potable water storage applications. By understanding the benefits of different liner materials, ensuring compliance with relevant regulations, and recognising the essential role tank liners play in preserving public health, you can make informed decisions about potable water storage management and guarantee a safe, reliable water supply for your community.

Benefits of Tank Liners for Potable Water Storage

Tank liners offer various advantages when it comes to maintaining water quality in potable water storage, ensuring that the water remains safe for human consumption. Some key benefits include:

1. Corrosion Resistance: Tank liners serve as a barrier that protects the tank interior from corrosion caused by water and impurities. Corrosion can lead to the contamination of stored water, as well as the structural degradation of the tank, which may eventually result in leaks or tank failure.

2. Leak Prevention: By providing an additional layer of protection, tank liners can help prevent leaks that may result from cracks, pinholes, or other damage to the tank’s structure. Leaks can not only compromise the water quality but also lead to increased water loss and higher operating costs.

3. Bacteria and Algae Growth Inhibition: The smooth surface of tank liners makes it difficult for bacteria or algae to adhere and multiply, therefore helping to maintain water quality and prevent undesirable odours or tastes. Selecting a tank liner material with antimicrobial properties can further enhance this benefit.

4. Ease of Cleaning and Maintenance: Tank liners can simplify cleaning and maintenance processes by providing a smooth, non-porous surface that is easier to clean and does not retain dirt and contaminants.

Selecting the Right Liner Material for Potable Water Storage

Various tank liner materials are available, each offering distinct advantages and drawbacks depending on the specific requirements of your potable water storage application. Some common liner materials include:

1. Polyvinyl Chloride (PVC): PVC liners are a popular choice for potable water storage due to their chemical resistance, flexibility, and low cost. However, PVC liners can be prone to UV degradation and may not be suitable for outdoor tanks without additional UV protection.

2. Polypropylene (PP): PP liners offer excellent chemical resistance and durability, making them well-suited for a range of potable water storage applications. They are also resistant to UV degradation, making them a reliable option for outdoor tanks.

3. Ethylene Propylene Diene Monomer (EPDM): EPDM liners provide a flexible and durable option for potable water storage, with strong resistance against UV radiation, ozone, and extreme temperature fluctuations. However, they can be more challenging to install due to their weight and thickness.

4. Butyl Rubber: Butyl rubber liners have excellent flexibility, making them suitable for custom tank shapes and applications. They also possess strong resistance to extreme temperatures and ozone degradation. Their main disadvantage is their sensitivity to fats, oils, and petroleum-based products.

Considering factors such as flexibility, durability, UV resistance, and chemical compatibility will help you select the appropriate tank liner material for your potable water storage needs.

Complying with Relevant Regulations and Standards

When selecting a tank liner for potable water storage, it is paramount to ensure compliance with relevant regulations and standards. In Australia, potable water storage tanks must adhere to the Australian Drinking Water Guidelines (ADWG) which outline the quality criteria, operational protocols, and monitoring requirements for providing safe drinking water to the public.

Additionally, some tank liner materials may require certification under the AS/NZS 4020:2018 standard, which assesses products for potential adverse effects on the quality of water intended for human consumption.

Ensure that your chosen tank liner material complies with these guidelines and standards to maintain water quality and protect public health.

Regular Inspection and Maintenance

Regular inspection and maintenance of your tank liner are essential in preserving water quality and extending the liner’s service life. Schedule routine inspections to check for signs of wear, damage, or deterioration. It is crucial to address any issues promptly to prevent compromise to water quality or further damage to the tank’s structure.

Maintenance tasks may include cleaning the liner surface to remove dirt or contaminants, repairing minor damage, or replacing the liner if signs of extensive wear or damage are present.

By diligently inspecting and maintaining your tank liner, you can prevent potential problems and ensure safe and high-quality potable water storage.

Overall, tank liners play an indispensable role in preserving water quality for potable water storage applications. By understanding the benefits of different liner materials, ensuring compliance with relevant regulations, and appreciating the role tank liners play in public health, you can make well-informed decisions about water storage management and guarantee a safe and reliable water supply for your community.

Safeguarding Potable Water Storage with Quality Tank Liners

Tank liners play an essential role in ensuring the quality of potable water storage by providing a protective barrier against corrosion, leaks, bacterial growth, and other potential contaminants. Choosing the right liner material and adhering to relevant regulations and standards are key factors in maintaining water quality and public health.
ATM Tanks is committed to helping you make the right choices for your potable water storage needs. As industry experts, we provide professional tank inspection, repair, and maintenance services. Our team can guide you in selecting the appropriate tank liner material, ensuring compliance with regulations, and keeping your potable water storage system in top shape. Reach out to us today to learn more about how our tank liners can protect your investments and guarantee safe and reliable potable water storage for your community.

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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