Water Storage Tank: Care And Maintenance Guide


Each house is equipped with a water storage tank, which is a very important feature that is used every day. With frequent use, however, it is very important that proper maintenance should be observed at a regular schedule. Care and maintenance of your storage tanks benefits in ensuring that the water is sanitary and hygienic for human use.

Water contamination in storage tanks are frequently caused by clogged and jammed pipes and tank outlets. Without periodic checking, the outlets also become loose and develop leaks and holes, thus making it easier for bacteria, pests, and other disease-carrying organisms to enter and contaminate the water. This is often seen in floating clumps of bacteria on the surface of the water.

Most of the cases for water-borne infections are due to use and consumption of unsanitary or contaminated water from the storage tanks. Children and even adults can get these diseases easily, which is why it is very important that the water tanks be cleaned and disinfected periodically, as well as to check for infiltration or holes.


How to Clean and Disinfect Your Water Storage Tanks

We’ve provided tips and tricks from the home utility experts to help you with the proper cleaning and rinsing of your water storage tanks.

Initial Check-up and Troubleshooting

Before doing the needed maintenance for your tank, do not forget to check for any ongoing leaks, holes, or fissures on the body of the tank. This is best done when the tank is stilled filled with water. Look for any loose connections in the pipes and outlet and tighten them if possible. Note for any corners or angles where dirt may accumulate, and check if the cover of the tank can have a tight seal once shut. Look for signs of corrosion or rust beneath and around the tank.

Empty the Water Storage Tank

Prior to cleaning and disinfecting the tank, turn off all connections in the pipes, be it inlet or outlet connections to avoid water spillage and waste. Properly drain the remaining water from the storage tank using a pump, suction tube, or tap. After draining, you will note that there are still some water and dirt pockets on the bottom inside of the water tank. For the removal of the residual water, you may make use of a well absorbent cloth or sponge and take out the remaining water.

Scrub the Residue on the Inside
Once all the water has been removed from the inside, you may now proceed with scrubbing and brushing off the residue that has accumulated and gathered for a long time period. A high power nozzle or a solid brush is the best tool for the removing tough deposits and scum that clung to the inside. Use a mixture of hot boiling water and laundry detergent for some heavy duty cleaning.

Tank Disinfection

According to the experts in home care, water storage tanks must be disinfected and sanitized at least twice in a year. One of the most frequently used sanitation and disinfection methods for use in tanks is the use of strong bleach. Take note, though, that the water may get a minor chlorine smell and taste for a while, so you can leave the tank cover open until it dissipates into the air. Remember that the excessive use of chlorine can damage and put your health at risk. To prevent this problem, properly measure the dimensions of your water storage tank and follow the manufacturer’s instructions on how much bleach is to be added to the tank.

Rinse Off

After scrubbing and brushing the residue from the inner surface of the water storage tank, as well as after the use of bleach to disinfect the inside, it is very important that thorough and complete washing and rinsing off is observed. Not doing so will result in chemicals and dirt going into the outlet and to your tap. This can cause various problems including water-borne illnesses and chemical ingestion or toxicity.

What you will need is a controlled water pressure pipe with an adjustable nozzle for washing and rinsing the storage tank. If you do not have a water pressure pipe at home, a useful alternative for flushing off the tank completely is to fill the tank with boiling water and let it stay for few hours in the tank. After the few hours have passed, drain out the water tank and proceed with the flushing of the tank until all the chemicals get disappeared. A good way to check is to smell and taste the water. Flushing and rinsing helps in proper removal of all the residue and chemicals that stayed in the water tank.



Remember to follow the steps above to ensure that your storage tanks is sanitary and can safely store water for long periods without causing any problems.

Photo Credit: 

  • http://www.indiamart.com/srivignesh-industrial-engineers/storage-tanks.html#water-storage-tanks
  • http://findwatertanks.com/water-tank-cleaning-procedure/
  • http://www.sepltd.in/services/tank-clean-services/


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