The best way to collect rainwater depends on your specific needs and resources.

Here are some popular methods that you can combine together to collect rainwater.
Rainwater storage
Barrels or containers for rainwater collection
You can place barrels or containers under downspouts to collect rainwater.
These can be repurposed containers like trash cans, or specifically designed rain barrels.
Rain barrels are containers that are used to collect and store rainwater.
They are usually placed under downspouts or rain gutters to collect runoff from the roof.
The collected water can then be used for irrigation, washing cars, or other non-potable purposes.
Rain barrels are typically made of plastic or metal and come in a variety of sizes to accommodate different water storage needs.
Some rain barrels have features such as screens to keep debris and insects out, overflow valves to prevent the barrel from overflowing, and spigots for easy access to the stored water.
When selecting a rain barrel, consider factors such as the size of your roof, the amount of rainfall in your area, and the size of the garden or landscape you want to water.
Make sure the barrel is securely placed and elevated to prevent water pressure from causing it to tip over.
It’s also important to keep rain barrels covered to prevent mosquito breeding and to prevent children and pets from accessing the water.
Cisterns for rainwater collection
Cisterns are large underground containers that store rainwater.
They can be made of concrete, plastic, or other materials.
Cisterns are large underground containers used for collecting and storing rainwater.
They are typically made of concrete, fiberglass, or plastic, and are used for both residential and commercial purposes.
Cisterns are an efficient and sustainable way to collect and store large amounts of rainwater for later use, such as irrigation, flushing toilets, or washing clothes.
They are especially useful in areas with low rainfall or drought conditions.
When installing a cistern, it’s important to consider the size of the roof, the amount of rainfall in the area, and the water needs of the property.
Cisterns can range in size from a few hundred to several thousand gallons, depending on the needs of the property.
Cisterns can be integrated into a rainwater harvesting system that includes a roof, gutters, downspouts, a pump, and a filtration system.
The water is collected from the roof and directed into the cistern, where it can be stored for later use.
Overall, cisterns are a reliable and sustainable way to collect and store large amounts of rainwater for use in a variety of applications.
They are a good option for those who want to conserve water and reduce their dependence on municipal water supplies.
Rainwater collection system
Rain chains for rainwater collection
Rain chains are decorative alternatives to downspouts that direct rainwater into containers.
A rain chain is a decorative alternative to a traditional downspout that directs rainwater from a roof gutter to a collection basin or garden.
Rain chains are typically made of metal and consist of a series of metal cups or other decorative elements that channel water from the roof to the ground.
Rain chains add a decorative element to a building while also serving a functional purpose.
They can be made of various materials, including copper, stainless steel, or aluminum, and come in a range of designs and styles.
When using a rain chain, it’s important to have a collection basin or other mechanism in place to catch the water and prevent erosion.
The basin should be large enough to hold the volume of water that the rain chain will collect during heavy rainfall.
Rain chains are easy to install and typically replace the traditional downspout.
Some rain chains come with a gutter adapter that fits onto the gutter and attaches the rain chain to the building.
Overall, rain chains can be a great way to add aesthetic appeal while also directing rainwater to a desired location for collection or reuse.
Rain gutters for rainwater collection
Installing rain gutters on your roof allows you to collect rainwater and redirect it to a storage container.
Rain gutters are a common method of collecting rainwater from the roof of a building.
They are installed along the edges of the roof to channel rainwater into a downspout, which then directs the water to a collection system or storage container.
Rain gutters come in a variety of materials, including aluminum, copper, steel, and vinyl, and can be purchased in various sizes and shapes to match the design of a building.
Having a properly installed rain gutter system is important to prevent water damage to the roof, walls, and foundation of a building.
It’s also important to regularly clean the gutters to prevent clogging and overflowing, which can cause water damage.
To collect rainwater from rain gutters, a storage container, such as a rain barrel, can be placed under the downspout to catch the water.
A pump can also be added to the system to allow the water to be used for irrigation or other non-potable purposes.
Overall, rain gutters are a simple and effective way to collect rainwater and prevent water damage to a building.
Regardless of the method you choose, it’s important to make sure that the collected rainwater is properly filtered to remove debris, leaves, and other contaminants before using it for irrigation or other non-potable purposes.