How To Collect Rain Water

How to Collect Rain Water

Rainwater harvesting is an excellent way to conserve water and reduce your water bills. Here are some simple steps on how to collect rain water.

Step 1: Plan the Collection System

The first step is to plan the collection system. Determine the size of the collection area and the amount of rainwater you want to collect. The collection area can be the roof of your house or any other structure. Make sure the collection area is clean and free from debris.

Step 2: Install Gutters and Downspouts

The next step is to install gutters and downspouts. Gutters are used to collect rainwater from the roof and channel it to the downspouts. Downspouts are used to direct the water to the storage tank or container.

Step 3: Install a Filter

Install a filter to remove debris and other contaminants from the collected rainwater. This will ensure that the water is clean and safe for use. There are various types of filters available in the market, choose the one that suits your needs.

Step 4: Choose a Storage Tank or Container

Choose a suitable storage tank or container to store the collected rainwater. The size of the tank or container depends on the amount of rainwater you want to store. Make sure the tank or container is made of durable material and is resistant to corrosion.

Step 5: Connect the System

Connect the collection system to the storage tank or container. Use pipes and fittings to connect the downspouts to the tank or container. Ensure that the connections are tight and secure.

Step 6: Maintain the System

Maintain the system regularly to ensure that it is working properly. Clean the gutters and downspouts regularly to prevent blockages. Check the filter to ensure that it is working effectively. Inspect the storage tank or container for leaks and damages.

Frequently Asked Questions

Q: How much rainwater can I collect?

A: The amount of rainwater you can collect depends on the size of the collection area and the amount of rainfall. As a general rule, you can collect around 600 gallons of water for every inch of rainfall on a 1,000 square feet collection area.

Q: Is collected rainwater safe for drinking?

A: Collected rainwater is generally safe for non-potable use such as watering plants, washing clothes, and flushing toilets. However, it is not recommended for drinking unless it is treated and filtered properly.

Q: How often should I clean the filter?

A: The filter should be cleaned at least once a year to ensure that it is working effectively. However, if you live in an area with heavy rainfall or lots of debris, you may need to clean it more often.

Q: What should I do if the storage tank or container overflows?

A: Install an overflow pipe to direct the excess water to a suitable drainage area. This will prevent flooding and damage to your property.


Collecting rainwater is an excellent way to conserve water, reduce your water bills, and help the environment. By following these simple steps and maintaining the system regularly, you can enjoy the benefits of rainwater harvesting for years to come.