Actioning blocked/defective drains or sewers Is it a drain or a sewer? Drain Sewer Advise owner/occupier Built post 1937 Built pre 1937 Has sewer been adopted that it is their by the Water authoity? responsibility Which properties are Public sewer upstream of the problem? If no agreement Owners/occupiers agree Contact Severn Trent serve notice to undertake works Water (see below) themselves Notice not complied Notice complied with Check after 7 days that with work has been carried out satisfactorily Arrange for work to No further action be carried out in default For blocked drains or sewers serve S35 Local Government (Misc. Provisions) Act 1976 Notice. Send form to Finance Section For defective drains or sewers serve S.59 Building Act 1984 with breakdown of costs & apportionments for invoicing. Notice. Place on Land Charges Register.