How can sewer pipe blockages and breaks be identified quickly? The challenge The UK sewer system totals some 300,000 km in length, with an estimated replacement value of £104bn.…
The UK sewer system totals some 300,000 km in length, with an estimated replacement value of £104bn. Maintenance and replacement programmes have focused on ‘critical sewers’ that make up 20% of the network. However, around 25,000 blockages occur each year… https://wskep.net/waterr2b/sectors/water-utilities/sewer-cctv/

There are approximately 200,000 sewer blockages throughout the UK every year. It is estimated around 75% are caused by fats, oils and greases (‘FOG’). Blockages account for 55% of sewer flooding incidents in the UK and more than 3,000 properties are flood… https://wskep.net/waterr2b/sectors/water-utilities/sewer-blockages/