What are the uses of rainwater collection?

Rainwater collection and reuse can be used for car washing, laundry, greening, school environmental protection projects and urban municipal rainwater collection and utilization projects through rainwater collection, precipitation, filtration, dosing and disinfection. The rainwater collection and reuse system collects rainwater according to the demand, and after the collected rainwater is treated, the system meets the design and use standards. At present, most of them are composed of waste flow filtration system, water storage system and purification system. In some arid places, rainwater is also used to make a living. After collecting rainwater according to the demand, the collected rainwater is treated to achieve a system that meets the design and use standards. Now most of them are composed of waste flow filtration system, water storage system and purification system. In addition to irrigating crops and replenishing groundwater, it can also be used for non-domestic water purposes such as landscape environment, greening, car washing water, road flushing cooling water supplement and toilet flushing. China is one of the countries with serious shortage of fresh water resources in the world, which can save water resources and greatly alleviate the water shortage problem in China. It can alleviate the current shortage of urban water resources and is an effective way to increase revenue and reduce expenditure. Using urban rivers and lakes and various artificial and natural water bodies, swamps and wetlands to regulate, purify and utilize urban runoff rainwater, reduce waterlogging, regulate climate, restrain urban heat island effect, improve water circulation system and urban ecological environment, and save municipal and residential water expenditure. "Rainwater storage" and rainwater utilization are of great significance to alleviate the pressure of urban fresh water shortage, protect and repair the water environment and restore the ecological environment. Therefore, it can alleviate the pressure of water use, save water resources and reduce the amount of groundwater exploitation, so that we can realize that saving water is a virtue from an early age.