How to choose a water tank to have enough water to use?

Water is essential for daily life. Storing water for various uses requires careful calculations that reflect daily water needs and available space. Therefore, let's explore how to calculate water tank size and key factors to consider before purchasing for maximum efficiency and cost-effectiveness.

This avoids potential problems, such as insufficient water, or overly large tanks, which can waste both budget and installation space. Furthermore, excessive water retention in the tank can be considered old, susceptible to spoilage or contamination.

Things to consider when choosing a water tank : How to choose a water tank that has enough water to use?

1. Number of people using water : On average, one person uses approximately 150-200 liters of water per day, depending on usage patterns such as bathing, laundry, and dishwashing.

2. Water reserve period : Calculate 1-3 days in case of water shortages. For example, a 1 day water reserve would require an average of 150 liters per person x the number of people. Or a 3-day water reserve would require an average of 150 liters per person x the number of people x approximately 3 days.

3. Other water usage scenarios, such as watering plants, would require an average of 50-100 liters per day, or a restaurant would require an average of 500-1,000 liters per day.

Water tank size calculation formula

The appropriate calculation formula is: Daily water usage × Number of days of water reserve = Water tank size (liters).

• For a typical residence with 3 residents, average water usage per person: 150 liters/day, and a water reserve requirement of 2 days, the calculation is as follows: 150 liters × 3 residents × 2 days = 900 liters. Therefore, the appropriate water tank size should be 1,000-1,200 liters.

• For a medium-sized restaurant, the average daily water usage is approximately 1,000 liters and the water reserve requirement is 2 days.

The calculation is as follows : 1,000 liters × 2 days = 2,000 liters. Therefore, a water tank with a capacity of 2,000 liters should be selected.

Other factors are also important, as discussed in the topic "How to Choose a Water Tank with Sufficient Water" (see "Water Tank Materials").

1. Water Tank Materials

When choosing a water tank, it's important to understand the materials available. For example, PE (Polyethylene) is lightweight, resistant to sunlight, and rust-resistant, while stainless steel is durable. However, it must be of a high quality. Concrete, which is often used in large buildings, can be difficult to install.

2. Water Tank Standards

Water tanks should be selected to meet TIS standards. They should be installed in a shaded area or under a covered roof. The tank should be cleaned once or twice a year to prolong its lifespan.

3. Installation Space

Is there sufficient installation space, especially if a large water tank is being used? Also, space must be provided for pipes and other accessories.

4. Water Pump System

A water pump to boost pressure for smooth operation and prevent water shortages is also important, especially if the water source is lower than the water pump. Careful selection and calculation are also required, as the water pressure will not be delivered as well if the water source is higher than the water source.

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