Soakaway Blocked [new] Jun 2026

The most frequent cause. Roof runoff carries fine particles (dust, moss, asphalt granules) into gutters and downpipes. Without a silt trap or filter, these sediments settle in the soakaway’s gravel voids or geotextile membrane, forming an impermeable layer.

So, what causes a soakaway to become blocked? Here are some common culprits:

If you are currently experiencing drainage issues, let me know:

A soakaway can become blocked due to various reasons, including: soakaway blocked

Whether the soakaway handles or septic tank effluent If you have noticed standing water on your lawn The approximate age of your drainage system

If DIY solutions don't work, or if you're unsure about the cause of the blockage, it's time to call a professional. A qualified technician will:

The water temporarily pools in the voids of the aggregate or crates before naturally percolating down through the geotextile membrane fabric and into the surrounding soil. 5 Common Causes of a Blocked Soakaway The most frequent cause

Install mesh guards over your roof gutters to minimize the amount of organic debris entering the rainwater downpipes.

Soakaways do not fail without reason. Blockages are typically the result of long-term accumulation, poor design, or external interference. 1. Silt and Sediment Buildup

Older soakaways constructed with loose bricks or rubble can collapse over time due to shifting soil or heavy weight above ground. When the structure collapses, soil fills the voids, leaving no room for water storage. 5. Lack of Septic Tank Maintenance So, what causes a soakaway to become blocked

Before calling in a professional, try these DIY solutions to unblock your soakaway:

Never drive vehicles or place heavy structures over a soakaway, as the weight will compact the soil and crush the underlying crates.

A soakaway is a traditional, underground drainage system designed to manage surface water (rainwater) or clarified effluent from a septic tank or sewage treatment plant.