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Water Tank Maintenance Tips to Maximise Storage Capacity

By September 17, 2025No Comments

For households, particularly in rural areas, water tanks are an essential part of daily living. To ensure they remain functional and long-lasting, regular maintenance is necessary. Proper care not only maximises storage capacity but also protects water quality for household, livestock, or irrigation use.

Types of Water Tank

The type of water tank you own influences the kind of maintenance required. Here are some of the most common options:

Plastic Water Tanks

Lightweight and affordable, plastic tanks are the most widely used. However, they are vulnerable to wear and tear and can deteriorate under UV exposure unless protected.

Steel Water Tanks

Durable and strong, steel tanks withstand harsh weather and extreme temperatures. With proper care, they can last up to 30 years. They are also less prone to UV damage than plastic tanks.

Concrete Water Tanks

Known for their strength and longevity, concrete tanks can last up to 50 years. They resist leaks, cracks, and heat damage but are more expensive and require professional installation.

Water Tank Maintenance Tips

Many aspects of water tank maintenance can be handled by homeowners. Following these tips will extend the life and efficiency of your system:

Regular Cleaning and Disinfection

Clean the tank annually to prevent sludge, bacteria, and contamination. Scrub the interior with a mild detergent, then sanitise with a diluted bleach solution, leaving it for an hour before rinsing thoroughly with clean water.

Check for Leaks

Inspect the tank frequently for cracks or leaks, which can waste water and weaken the system. Repair any damage immediately to avoid further issues.

Inspect Fittings and Valves

Ensure fittings, pipes, and valves are free from rust, corrosion, or wear. Replace faulty components promptly to maintain efficiency and prevent leaks.

Protect Against Sun Damage

Plastic tanks in particular should be shielded from UV rays. Options include UV-resistant coatings, shade cloths, or screening with panels or fencing to extend tank life.

Winterise Your Tank

In colder regions, tanks may freeze. To protect them, drain the tank, disconnect fittings, and use an insulated blanket to prevent ice build-up.

Water Tank Maintenance Checklist

  • Every 6 months: Inspect for leaks, cracks, and valve issues.
  • Every 12 months: Deep clean and disinfect the tank interior.
  • Test monitoring systems regularly to ensure accuracy.
  • Prepare tanks ahead of extreme weather with winterisation or protective coverings.

Protecting Water Quality

Clean water storage requires proactive management. Use these measures to maintain quality:

  • Flush Diverters: Divert the first flow of rainwater to prevent debris and dirt from entering the tank.
  • Fine Mesh Screens: Prevent insects, leaves, and other debris from contaminating stored water.
  • Monitor Water Quality: Address any unusual odours, murky water, or discolouration immediately with treatment or filtration.
  • Maintain Pipes and Pumps: Keep distribution systems in good condition to prevent contamination.

Looking for Water Delivery on the Sunshine Coast?

Fraser Earthworks & Co provides reliable water deliveries for residential and commercial clients. Our subscription service ensures you always have access to clean water, tailored to your specific household or business needs.

Visit our Water Subscription page for details, or call us today on (07) 5445 9765 to arrange a customised schedule.

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