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RainWaterSystem

The major components of a rainwater harvesting system

The major components of a rainwater harvesting system

Collection system: Roof surface and gutters to capture the rainwater and send it to the storage system
Inlet filter: Screen filter to catch large debris
First flush diverter: Diverter that removes debris not captured by the inlet filter from the initial stream of rainwater
Storage tank: Storage tanks composed of food-grade polyester resin material approved by the U.S. Food and Drug Administration (FDA), which is green in color and helps to reduce bacterial growth
Overflow: Drainage spout that allows for overflow if the storage tank gets full
Controls: Control system that monitors water level and filtration system
Treatment system: Filtration and disinfection system that treats the water to non-potable or potable standards
Pump: Pump to move water through the system to where it will be used
Backflow prevention: Backflow preventer to ensure that under negative pressure water cannot flow backwards through the system into the make-up water system
Flow meter: Flow meter (with data logger) to measure water production
Power supply: Systems may use either conventional power sources or, to improve off-grid capabilities, alternative sources such as stand-alone or grid-tied solar systems
Water level indicator: Monitors the water level in the storage tank.