Highlight • Structure
SIAAP – The City of Water and Sanitation
Road cycling
3.6
(5)
Running
5.0
(1)
Tips
Destination Hauts-de-Seine
September 8, 2025
SIAAP is a unique company in Europe that transports and treats wastewater, rainwater, and industrial wastewater for nearly a million residents every day. Its buildings adjoin the historic Colombes Market Hall, a former 19th-century wastewater treatment plant.
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Elevation 30 m
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Thursday 15 October
22°C
12°C
59 %
Additional weather tips
Max wind speed: 18.0 km/h
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