
Percolation Test: Failure or Victory?!
CM Environmental undertake percolation tests for our customers, in order to size a suitable soakaway or drainage field for the site. We also offer instructions if this is something the customer is capable of doing themselves, if this is the preferred option. A percolation test normally involves digging 2 or 3 holes, at the depth of the prospective outlet of any tank, in order to flood it with water, then timing how long it takes to drain away, to determine the permeability of

Sizing a Soakaway - Why it's better to be safe than soggy!
A well-designed soakaway or drainage field is a network of perforated pipes and gravel, installed in a grid system, intended to ensure foul or storm water drains away efficiently, or in the case of foul water it treats the water as it drains to ensure it is environmentally safe to enter the ground. Here at CM Environmental, we cannot stress enough how important it is to ensure your soakaway is designed safely; a poorly designed system, such as the one shown above, can lead to

Environment Agency Permit to Discharge
Depending on the size of your sewage treatment plant, the Environment Agency may require a permit to discharge to prove the flow will be safe to enter the ground, or a nearby ditch or watercourse. CM Environmental can help with this, as we have for many sites before. We have undertaken the paperwork for large contactors and small households, so we have experience of the Environment Agency's requirements in order to approve the permit to discharge. Your site will require a per