No equipment, including water storage tanks, has an indefinite lifespan. Despite regular cleaning and maintenance efforts that may extend its usability, eventually, it will start to fail, whether due to aging or the strain of usage. Even the highest-quality stainless steel water tanks are not immune to this reality. The challenge lies in many people being unaware of when their tank is approaching the end of its service life. Therefore, in this article, we’ll explore three signs indicating that it’s time to invest in a new tank.
- Age
Water storage tanks typically have a lifespan ranging from 25 to 30 years. However, if your unit is nearing the end of this period, it’s advisable to consider replacing it. While tanks can last for over two decades, the need for replacement might arise earlier or later within this timeframe. Therefore, regardless of whether visible signs of aging are apparent, it’s recommended to replace the tank approximately two decades after its manufacturing date.
- Rust Development
Despite steel’s renowned strength, it does have a downside. Once corrosion initiates in your stainless steel water tank, it progressively spreads and weakens the structure. It’s crucial to be extra vigilant when this occurs, as rust serves as an early indicator of potential leaks. Rust formation is inevitable in water tanks that have surpassed their lifespan. If you consistently observe rusty water coming from your faucet, it signifies an issue with the tank, indicating that replacement is necessary.

- Leakage
As your polyester water tank nears the end of its usable life, there’s an increased likelihood of noticing puddles forming around the unit, indicating a leak. If leaks are present in the pipes and connections, it may indicate issues with the tank fittings. In such cases, seeking the assistance of a plumber for inspection is recommended. If no leaks are found in the fittings and pipes, the tank itself is likely the source of the problem. Direct leakage from the unit should prompt serious consideration of replacement, as it could result in significant property damage depending on its installation location.
Water storage tanks serve to collect and store water from your well until it’s needed in your household. Available in various sizes, shapes, and configurations, they offer numerous benefits. These include providing instant access to water, eliminating the need to wait for water to travel from the well or through a filtration system if one is installed. Additionally, they help prolong the lifespan of your well pump by reducing frequent cycling.
Determining the Lifespan of Your Tank
Despite the extended lifespan of modern water storage tanks compared to older models, thanks to advancements in construction materials, they still require regular inspections, maintenance, and eventual replacement.
Storage tanks are available in various materials, and it’s essential to evaluate the installation conditions to choose the most suitable option. However, with proper upkeep, any of these choices should last approximately 20 to 25 years before needing replacement.
Some common materials used in storage tanks include:
- Fiberglass
- Polyethylene
- Steel/Galvanized steel
- Lined and unlined
The tank’s installation environment is equally important as its type. Factors such as water temperature, corrosive elements, and weather patterns can significantly impact the tank’s lifespan. For example, in regions with annual cold or freezing conditions, ensuring proper insulation or burial of the tank is crucial to prevent freeze/thaw issues that could shorten its longevity. Considering these variables will help extend the tank’s lifespan.
Installation and Maintenance
Ensuring the proper installation of your water storage tank is essential for its optimal performance and to minimize the need for extensive maintenance and repairs. Enlisting professionals such as NFPA 25 Inspections by American Tanks ensures accurate fitting with suitable components. Following installation, regular inspection and maintenance are vital to sustain efficient operation and promptly address any indications of wear.
Indicators of Wear
When it comes to wear, several unmistakable signs suggest that your tank requires servicing or is approaching the end of its lifespan.
These signs include:
- Rust formation
- Presence of leaks
- Loss of pressure or inconsistent water pressure
- Excessive air in your plumbing systems
- Frequent pump cycling
Failure to conduct regular inspections of your tank and promptly address any issues may lead to the need for premature replacement.
At NFPA 25 Inspections by American Tanks, we possess the expertise to identify the optimal storage tank solution tailored to your needs. Whether it’s selecting the appropriate water storage tank, ensuring accurate installation, or conducting routine inspections and maintenance, we’ve got you covered. Reach out to us today to consult with one of our team members.
To discuss any of the concepts described here in more detail, our friendly and experienced customer service team can help. We offer tried and tested services around Houston, Texas and Longbeach, California.
Call NFPA 25 Inspections by American Tanks at +1 800 656 0167
Or email at info@nfpa25inspections.com





