How Often Should My Tank Be Cleaned?

If you rely on rainwater for your drinking supply, keeping your tank clean is essential for safe and healthy water. One of the most common questions we get at Northern Tank Cleaning is: "How often should my water tank be cleaned?"

We recommend cleaning your water tank every 1-2 years.

How Often Should You Clean Your Water Tank?

Generally, your water tank should be cleaned once every 1-2 years. However, this can vary depending on:

  • Your environment (e.g. proximity to trees, high bird activity)

  • The type of roof catchment you use

  • Water usage and tank size

  • Presence of filters or first flush systems

If you're in a rural or coastal area like many places in Rodney, you may need to clean your tank more regularly due to leaf litter, bird droppings, and airborne contaminants, like dust, or sand.

Signs Your Tank Needs Cleaning

Even if it hasn’t been a full year, you should consider water tank cleaning if you notice:

  • An unusual smell or taste in your water

  • Sediment is visible in the tank or coming through your taps

  • Slime or biofilm buildup on the floor or walls of the tank

  • Discoloured or cloudy water

Ignoring these signs can lead to contamination and health risks, especially if your tank is used for drinking water

Why Regular Water Tank Cleaning Is Important

Cleaning your water tank regularly not only improves the taste and safety of your water, but also:

  • Extends the life of your pump and filtration systems

  • Prevents bacterial buildup like E. coli

  • Reduces sediment and sludge that can block pipes

  • Keeps your rainwater fresh and clear

At Northern Tank Cleaning, we use eco-friendly, chemical-free methods to ensure your tank is cleaned thoroughly without contaminating your water source. We offer fixed prices, so you know exactly what to expect, with no hidden costs.

Book Your Water Tank Clean Today

Don't wait until your water starts to smell or taste off. Preventative maintenance is the best way to keep your drinking water safe and tasting great.

Contact us now to schedule a tank cleaning.


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5 Signs It’s Time to Clean Your Water Tank

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Our Water Tank Cleaning Processes