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Sewage & wastewater treatment and management

Whipsnade Zoo - Bedfordshire

Correcting problem with sand based filter system

The Splash Zone at Whipsnade Zoo depends on excellent water quality to keep the sea lions both safe and happy. When the water quality deteriorated so much that it could be seen and was irritating the sea lions, Whipsnade Zoo asked ESTS investigate.

We discovered that the sand based filter system had been installed using the wrong type of sand. To correct the problem, we cleaned out all the old sand and replaced it with a glass filter media. We then tested and re-commissioned the system as well as carrying out extra maintenance and repainting various parts of the system for protection against rust and decay.

The outcome was happy sea lions and we now service and maintain all the treatment plants and sewage management systems at Whipsnade Zoo.