Here’s How You Know When to Replace Your Water Storage Tank

Most sources in the internet would tell you that the service life of a water storage tank depends on its quality, manner of installation, and proper maintenance. On one hand, it’s all true because there is no definitive answer to when you should really replace your unit. But on the other hand, there are concrete factors and particular scenarios which can actually help you decide if your tank is indeed past its expiration

Let’s start with the three main factors that affect a water tank’s longevity:

  1. Material of the unit

If you want a tank that will last for at most a decade, do not acquire units that are constructed from plastic barrels. These are generally inexpensive, but they are only helpful if you are looking for a short-term water storage solution. It is so much better to invest in a stainless steel water tank that it is naturally more durable and has a longer shelf life than other types of tanks. If well maintained, stainless steel tank has an expected service life of over three decades.

  1. Location of the unit

The life expectancy of a tank is also determined by the geophysical characteristics of the location where you’ll installed it. For instance, if you live in a place where it is always sunny or too dry, the UV treatments of a polyethylene water storage tank will not last as long. Permanent exposure to intense UV for longer periods of time will definitely cause serious wear and tear of the plastic material.

  1. Function of the unit

The service life of a tank is also dictated by how it is being used. A unit that contains clean and fresh water for human consumption will typically have a much longer lifespan than that of a unit with harsh chemicals or salt kept in it.

Now, let’s discuss the most obvious signs that should tell you that it’s time to replace your unit:

  1. When the unit is past its prime

On average, water storage tanks can last around 25 to 30 years. That said, if your unit is close to its retirement age, then it is probably time to purchase new one. And while it can last for more than twenty years, the actual need to replace a tank could arise before or after this timeline.

  1. When the unit is corroded

When corrosion takes hold on your stainless-steel water tank, it slowly spreads and eats through the unit. Be extra mindful when this starts to happen because rust serves as a warning for oncoming leaks. On water containers used past their expiration date, rusting is inevitable.

  1. When the unit is leaking

As your unit nears the end of its service life, there’s an increased chance that you’ll constantly see puddles on the floor around it. If water is leaking directly from the unit, you must seriously consider water tank replacement because leaks could result in major property damage.


Do you need a new water storage tank? Firstank has a wide distribution network in Luzon, Visayas, and Mindanao. Call us today at 0917-773-9318.