World’s Tallest Mantair Conversion Unit?

P & H Environmental installed what is probably `The World’s Tallest Mantair Conversion Unit’ for a client in Wiltshire. The site had an ‘Onion’ style septic tank and ground water was flowing into the soakaway. The soakaway was 2.5m deep and the water table sat at 1.4m below ground. This meant the drainage all the […]

Bespoke Sewage Treatment Plants

P & H Environmental have been installing Clenviro Sewage Treatment Plants for over 8 years. We first met Clenviro when we needed a bespoke plant for an application where there was no space for a new hole to house a tank. The limitation was an existing septic tank located 4 ft from a road and […]

Flooded Soakaway

A soakaway or drainage field is a series of perforated pipes surrounded in gravel or stone that allow the runoff from a septic tank or sewage treatment plant to drain into the ground. If the soakaway is less than 1.2m deep then it is assumed that there are aerobic bacteria at these depths that will […]