Stormwater harvesting can be used for firefighting, particularly as a supplementary water source in areas where access to traditional supplies is limited. Collected stormwater can be stored in large tanks, ponds, or reservoirs and made accessible through hydrants, pumps, or mobile firefighting equipment. Since firefighting does not require potable water, stormwater is well-suited for this purpose as long as the storage system is properly maintained to prevent contamination or clogging of equipment.
In rural or wildfire-prone areas, having a dedicated stormwater reservoir can improve preparedness by ensuring a ready supply of water even during drought conditions. The design of the storage system should include appropriate access points and capacity to meet local firefighting needs, and may need to comply with fire safety regulations. Using harvested stormwater for firefighting not only supports emergency readiness but also reduces demand on treated water systems during critical situations.