13/09/2025
Flood concerns? Not in Nuvali.
From nature-based solutions to ₱1.3B worth of engineered drainage systems, Nuvali was designed for resilient, secure living.
Nuvali—Ayala Land’s eco-city in Laguna—integrates a comprehensive and sustainable stormwater and sewage management system into its design. Here’s a detailed breakdown:
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🌧 Drainage & Flood Control Infrastructure
1. Natural and Engineered Landscapes
• Nuvali’s 4-hectare central lake and adjacent green wetlands collect excess stormwater, mitigating runoff during heavy rain events.
• The estate’s topography and river systems, which connect to Laguna de Bay, serve as natural outflow paths for rainwater.
2. Drainage Network
• A multi-billion‑peso drainage system, including main drainage lines and runoff outfall connections, is designed to channel water to the surrounding rivers. As of late 2013, approximately ₱1.38 B of infrastructure was underway.
• While construction continues, Ayala employs temporary canals, man-made swales, and silt traps, and regularly maintains drainage swales to prevent blockages.
3. Bioswales & Permeable Surfaces
• Streets feature bioswales that filter groundwater and permeable paving to absorb runoff, reducing load on downstream drains.
• These allow infiltration to recharge aquifers and help reduce surface flooding.
4. Tree Preservation & Land Use
• The development maintains a 50% open‑space ratio, extensive tree planting, and strategic zoning to preserve drainage and reduce soil erosion.
5. Dual‑Piping Water System
• Many residential areas leverage double‑piping systems, enabling greywater recycling for irrigation, flushing, and fire reserve—easing demand on stormwater systems.
6. Sewage & Recycled Water
• A typical sewer treatment plant operates alongside constructed wetlands for cleaner sewer effluent. Treated water is reused in irrigation or flushed systems via greywater lines.
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A home that’s future-ready and flood-safe.
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