Washing buses with rainwater in Guelph | Knowledge Hub | Circle Lab
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Washing buses with rainwater in Guelph
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Guelph, Canada, relies on a limited reservoir of groundwater for its drinking water supply. The city has introduced various water saving infrastructure solutions to reduce water consumption and preserve potable water for drinking. One such solution is Guelph's rainwater bus washing system, which has saved over 1 million liters of drinking-quality water and led to municipal cost savings since it launched in 2012. The system works by capturing rainwater, which is used to wash the city's buses. Guelph has been able to store enough water to wash its entire bus fleet since storage capacity was increased in 2016. The system also reduces the need for detergent, since rainwater is naturally soft. The city earned a Water's Next award for the project.

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