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River water quality


Renovation and extension of a high-capacity lock on the Seine River (ca. 35 miles downstream West from Paris). 


Duration : 43 months


Ensure the operation doesn’t impact the quality of the waterway. Distinguish between pollution present in the river upstream of the works and that caused by the works on the site. Ensure the initial state of the water (temperature, acidity, oxygen, turbidity…) due to normal operation of the lock isn’t mistaken for pollution caused by the operation


Need: monitor water quality

Com’in solutions

We installed water quality sensors attached to buoys, anchored to the river bed upstream and downstream from the operation.

The water was analysed in a laboratory to have a reading of the initial composition.

The NuisAlgo platform is set up to send alerts in case set thresholds are exceeded during longer periods (

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