{"id":1029,"date":"2025-10-20T10:24:00","date_gmt":"2025-10-20T10:24:00","guid":{"rendered":"https:\/\/www.rentokil-hygiene.co.uk\/blog\/?p=1029"},"modified":"2026-06-01T10:08:29","modified_gmt":"2026-06-01T10:08:29","slug":"flushing-sanitary-waste-impact","status":"publish","type":"post","link":"https:\/\/www.rentokil-hygiene.co.uk\/blog\/flushing-sanitary-waste-impact\/","title":{"rendered":"The impact of flushing sanitary waste on sewers and waterways"},"content":{"rendered":"\n

Every time something disappears down the toilet, we might assume it\u2019s gone for good. Yet beneath our feet, those flushed items such as tampons, pads, and wet wipes are building an unseen blockade, twisting through pipes, clinging to fat, and choking the system that keeps our homes, businesses, and streets free from untreated sewage. What starts as a single flush can become a full-scale drain blockage<\/strong>, flooding floors and fouling rivers. Here\u2019s how it happens, why it matters, and what you can do to help keep water flowing freely.<\/p>\n\n\n\n

Why you should never flush sanitary items<\/strong><\/h2>\n\n\n\n

Sanitary products often contain synthetic materials, plastics, and fibres that do not degrade in water. Once flushed, they catch on pipe walls, combine with soap, debris, and fat, creating \u2018fatbergs\u2019 <\/a>which can block drains<\/strong>. <\/p>\n\n\n\n

The same goes for wet wipes, which are frequently marketed as flushable yet fail to break down. A recent investigation by the Daily Mail<\/a> highlights how flushed wipes contribute to sewer blockages and expensive repairs.These items can jam pipes and force drainage systems to malfunction, requiring drain unblocking<\/strong> and costly repairs.<\/p>\n\n\n\n

Effects on drainage systems and the environment<\/strong><\/h2>\n\n\n\n

Disruption to sewer networks<\/strong><\/h3>\n\n\n\n

Sewer systems are not built to handle solid waste. Flushed sanitary items accumulate in pipes and junctions, causing blocked drains. <\/strong>When water cannot flow freely, pressure builds and backups occur. Some sewer systems must be shut down to clear the obstruction.
<\/p>\n\n\n\n

Impact on treatment works<\/strong><\/h3>\n\n\n\n

Water treatment plants can struggle when solid waste reaches them. Sanitary debris requires extra filtering, adding strain and cost to operations. <\/p>\n\n\n\n

If pieces pass through filters and enter waterways, they contribute to environmental pollution. The plastics may fragment into microplastics, which accumulate in marine ecosystems.<\/p>\n\n\n\n

Flooding risk<\/strong><\/h3>\n\n\n\n

When drains are clogged, heavy rain or regular use can trigger drain overflowing<\/strong>. In these cases, dirty water and sewage may backup in buildings or spill into streets. Such flood events carry disease and property damage risks, especially when they involve blocked sewer drains<\/strong> or contaminated water.<\/p>\n\n\n\n

\"Clogged<\/figure>\n\n\n\n

How to discard sanitary waste responsibly<\/strong><\/h2>\n\n\n\n

To prevent drain blockage<\/strong>, adopt these practices:<\/p>\n\n\n\n