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 June 2011 Private pumping stations transfer on a phased basis through to October 2016 PDaS Update on Progress - Timeline Mandatory Build Standards apply WE 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 km37,000 km Sewer length (km) TodayAddition post-transfer What it means to Severn Trent 3,100Around 4,000 Pumping 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 ?