Why Water Tanks Should Be Professionally Cleaned!

Apr 7, 2021 | Home Maintenance

Water alone can be a medium for many germs and contaminants, especially a dirty rainwater tank. Even if you have a filtration system installed, it may not completely remove particles and impurities. This is particularly true if your water tank is already contaminated. While you may not directly use water from a rainwater tank for drinking or cooking, unfiltered water may enter your system when you shower, take a swim in your pool, brush your teeth, or wash fruits and vegetables.

If a water tank is left uncleaned, algae and bacteria will start to line the interior, sediments will then start to build up in the bottom of the tank. The consumption of water filled with bacteria can cause gastro-intestinal diseases, cholera, dysentery, and other water-borne infections. When a water tank has not been cleaned for a long period, it may become too harmful to use for water consumption or even for cleaning (if this is the case then your tank may need to be replaced).

Harmful Environmental Factors:

Flood water: If your area has been flooded, your water may be contaminated. Floodwater can contain harmful micro-organisms and debris. It also brings the risk of chemicals from overflowing sewerage systems, septic tanks and agricultural or industrial wastes.

Bushfires: Generate a great deal of smoke, ash and debris, which can settle on your roof. This may affect the colour, taste and smell of roof-harvested rainwater.

Mosquitoes: Often breed in water tanks – an enclosed area with water is the perfect breeding ground for insects.

A clean water tank = better water quality, colour and smell.

While most of us have water filtration systems installed in our houses and workplaces, they may not prove 100% effective if the water coming from the tanks is not clean.  They may only prove effective against certain kinds of particles and impurities and may not help prevent infections, and thus certain kinds of water related diseases.

Other benefits of maintaining your water tank:

  • Prevents disease outbreak.
  • Minimizes the possibility of other health problems due to fewer pollutants being present.
  • Prolongs the lifespan of the tanks themselves as pollutants, rust, corrosion, sludge and bacteria won’t make it disintegrate faster.
  • Regular maintenance saves resources like effort, time and money from costly repairs.
  • Reduces the chances of blockages from pollutants causing plumbing issues and leaks. These blockages can also run into other areas of the system if not addressed in time.
  • Reduce strain on your filtration systems to prolong their life and saving costs long term.


A water tank should be cleaned by a professional with the right equipment.

VACUUM and pump out the safest way to handle and dispose of the material!

Water tank cleaning using a powerful vacuum ensures that the removal of contaminated water will not spread harmful rodent-borne viruses to other areas of the house. The vacuum unit transports contaminated water into a secured container outside of the water tank.

After the contaminated water has been removed, the entire water tank is vacuumed to ensure any remaining traces of algae, bacteria, mud/sludge and other waste is removed. Once this process has been completed, the water tank is ready to be filled up again.

Our petrol or diesel powered vacuum units can be mounted on a ute, trailer or truck, and are equipped with 205L drums or 400L, 850L or 1000L collection tank and a pump out system

Contact our team today to discuss the extra components you need to make this application safer and easier!

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