Le Hurel pumping station (FOI)

Request

I know there are occasions where Le Hurel sewage pumping station sometimes overspills raw sewage from the side of the slip into the Royal Bay of Grouville.

A

How often does sewage overspill due to increasing flood water run-off from overdevelopment, over the ecologically protected marshland, as well as from the increasing occurrence of seawater over topping, due to sea level rises brought due to climate?

B

How often does the sewage over spill into Royal Bay of Grouville, the internationally protected Ramsar wetland and Europe's largest oyster bed, during heavy rain, very high-tides or both?

Response

A and B

The Liquid Waste section of Infrastructure, Housing and Environment (IHE) have reviewed their records for the last two years and no spills have been recorded from the Le Hurel pumping station.

The wastewater network is designed to spill when it gets overloaded to prevent it backing up into properties. This generally happens when the water table is very high and there are significant rainfall events. The pumping station is monitored by our telemetry system 24/7 and the only historic spills have been from a blockage in the incoming pipework in that area.