Welcome to Pro Drainage Group, the United Kingdom’s prime specialists in domestic and commercial sewage treatment plants. We’re proud to be renowned as the country’s foremost authority in installing, repairing, and maintaining all kinds of sewage treatment plants.
Discovering sewage rising to the surface of your garden is both unpleasant and worrying. It is not only an issue of smell or appearance but often a sign that something within your waste water system is no longer working as it should. For many UK homeowners, this problem comes as a shock, especially in rural areas or properties that rely on private drainage rather than mains sewers.
Understanding why sewage is surfacing is the first step towards resolving it properly. In most cases, the cause can be traced back to a failure within a sewage treatment plant, a blocked or damaged pipe, or a soakaway that can no longer cope with the volume of water it receives.
Contact us TodayWhen sewage appears above ground, it usually means that waste water is unable to flow away as intended. Instead of passing through a water treatment plant and dispersing safely into the ground, it finds the easiest route to the surface. Gardens often become the exit point because soil is softer and systems are frequently located nearby.
This issue should never be ignored. Even if the problem appears to resolve itself temporarily, underlying faults almost always remain and tend to worsen over time.
Learn MoreRaw sewage contains bacteria, viruses and parasites that pose genuine health risks to people and animals. Direct contact should always be avoided. Children and pets are particularly vulnerable, as they may come into contact with contaminated soil or standing water without realising the danger.
Untreated waste water can harm local ecosystems, pollute groundwater and contaminate nearby water sources. This can affect wildlife, plants and neighbouring land, creating wider environmental consequences beyond the property boundary.
Persistent moisture and contamination can damage lawns, planting and hard landscaping. Over time, unpleasant odours and visible waste can also reduce enjoyment of outdoor spaces and negatively affect property value.
Book in TodayIf you notice sewage appearing above ground, it is important to act calmly but promptly.
Avoid contact with the affected area and keep people and animals away. Do not attempt to dig or interfere with the system, as this may worsen the issue or expose you to health risks.
Check whether the problem coincides with heavy rainfall or increased water usage, as this information can be helpful later. If possible, reduce water use within the property to limit further pressure on the system.
Most importantly, arrange for a professional assessment. Identifying the exact cause requires experience and appropriate equipment, such as inspections of pipework, sewage treatment plants and soakaways.
Request a QuoteRegular maintenance is key to preventing sewage from surfacing. Sewage treatment plants should be inspected and serviced in line with manufacturer guidance. Avoid flushing inappropriate materials and be mindful of how household changes may affect waste water flow.
Ensuring soakaways are correctly designed for soil conditions and water volumes is equally important. Where systems are outdated, modern alternatives often offer improved reliability and environmental performance.
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