The family-run Home Farm Holiday Centre is sited in a wooded valley at the foot of the Quantock Hills above the historic bay of St Audries.

Fast, effective service

The previous treatment plant at Home Farm was a distribution system installed in the 1950s, which had reached the end of its natural life. Since it was first installed the number of holidaymakers using the centre had grown considerably and there had been issues with odour.

A new treatment plant needed to provide robust and reliable treatment for static caravans and chalets with a population equivalent of 1,000 and be able to cope with up to 99m3/day flow.

Due to the seasonality of the foul flow the new system was designed to enable the operator to switch between the two HiPAF systems or to use both at once, subject to load. As the treatment site was close to a number of static caravans it was important to create a replacement plant which was low on noise and odour.

The Environment Agency stipulated the treated effluent, which is released into St Audries Bay, should achieve a maximum of 40g/l biochemical oxygen demand (BOD) and 60g/l suspended solids (SS).

Installation of the new treatment plant was carried out in November 2015 and took three weeks. Preliminary testing suggests the new plant is exceeding the EA permit standards set, with treated effluent achieving 10g per litre BOD and 20g per litre SS. Operating noise levels have successfully been kept to a minimum with readings measuring less than 50 decibels at a distance of 10m from the control kiosk.

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