Install a raintank or “water butt”
There are three main types of container that you can use to slow the flow of water into drains:
Raintanks or waterbutts
Raintank planters
Raingarden planters
What is a raintank?
A raintank, or water butt, is a container that is connected to a downpipe on a building to collect rainwater from the roof.
By ensuring that this water doesn’t enter drains, the tank helps to reduce the impact of a storm. A tap at the base can be used to attach a hose or fill a watering can.
You can use any watertight container to make a raintank or you can buy a ready-made model in most garden centres and DIY stores. Some water companies and local councils provide free or subsidized waterbutts.
Fitting a raintank is easy.
What is a raintank planter?
A raintank planter is a waterbutt concealed inside a planter.
Space is left above the container for water for soil and plants. These provide flowers and habitat for wildlife.
Raintanks provide you with a free source of non-drinking water that can be useful for watering the garden or washing the car.
Find out more about how to install a water butt in this video from Anglian Water.