Private Drains and Sewers September 2011

Allan Warren General Manager PDaS Programme

Will transfer• All private sewers (shared pipes) which drain to

public network• All drains/laterals (serving one property)

outside property boundaries• Private pumping stations (on a phased basis

over 5yrs)

Won’t transfer• Drains/laterals (serving one property)

within property boundaries• Surface water sewers draining to

watercourses• Private treatment works• Septic tanks

April 2011

June2011

Private pumping stations transfer on a phased basis through to October 2016

PDaS Update on Progress - Timeline

Mandatory Build Standards applyWE ARE HERE

Today• Home owners are responsible for

everything up to the main sewer, including the connection

Post-transfer• All sewers transfer• All laterals and drains outside property

boundaries transfer - BUT• Home owners are still responsible for the

private drains within their boundary

Following transfer, customers will still be responsible for some drainage pipes

54,000 km 37,000 kmSewer length(km)

Today Addition post-transfer

What it means to Severn Trent

3,100 Around 4,000Pumping Stations(No.)

Impact on Highway Authorities

No change in current volume of operational work in the Highway. i.e. blockage clearance.No change to how Developers/customers procure sewer/drain connections in the highway

• Will have to apply to you for a licence• From 1 April 2012 sewer/drain connections will have to comply to new mandatory build

standards and we will adopt the connections (assumes standards are implemented)

Severn Trent will notice in the event that blockage occurs on a transferred asset in the highway

Questions ?