Our First Flush System is an essential pre-filtration component in modern Rainwater Harvesting (RWH) systems, designed to improve water quality by automatically diverting the initial contaminated runoff from rooftops and surfaces.
During the first rainfall event, accumulated dust, suspended solids, organic matter, and airborne pollutants are carried into the drainage system. The First Flush Chamber effectively isolates and discharges this initial polluted water, allowing only cleaner rainwater to pass into the filtration unit or groundwater recharge structure.
Technical Features:
- High-density polyethylene (HDPE) construction for durability and corrosion resistance
- Optimized inlet-outlet pipe design with proper slope (minimum 1:200) for efficient flow
- Calculated flush volume based on roof area, rainfall intensity, and runoff coefficient
- Automatic or semi-automatic diversion mechanism for consistent performance
- Easy-access chamber for inspection, cleaning, and maintenance
System Integration:
The system seamlessly integrates with storage tanks and recharge wells, ensuring that only pre-treated water enters downstream filtration systems, thereby reducing load and improving overall efficiency.
Key Benefits:
- Reduces turbidity and suspended solids
- Enhances filtration efficiency and water clarity
- Protects storage tanks and recharge structures
- Minimizes clogging and maintenance frequency
- Extends system lifespan and operational reliability
Designed for residential, commercial, and industrial applications, our First Flush System ensures sustainable water management and long-term groundwater recharge efficiency.
Collect Today. Sustain Tomorrow.
