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Rainwater Garden ADU Design Guide 2026
Rainwater garden ADU: Practical design & sizing guide for Canadian ADUs Estimated reading time: 12 minutes Key Takeaways A rainwater garden ADU captures and infiltrates runoff from an ADU roof, reducing peak flows and improving site resilience. Use the CRD guidance as a technical backbone for sizing, soils, and infiltration testing: CRD guide. Simple sizing…
