Environment Food and Rural Affairs written question – answered on 30 March 2004.
Norman Baker
Liberal Democrat, Lewes
To ask the Secretary of State for Environment, Food and Rural Affairs if she will estimate the total amount of solid waste which entered the sewage network in England and Wales in 2003, broken down by (a) household and (b) other sources.
Elliot Morley
Minister of State (Environment and Agri-Environment), Department for Environment, Food and Rural Affairs
Information on the total amount of solid waste entering the sewerage network in England and Wales is not collected for regulatory purposes. Ofwat obtains information on the total actual sewage from the ten water and sewerage companies in England and Wales. Aggregate figures for 2002–03 are as follows:
| Sewage—Volumes | Megalitres per day |
|---|---|
| Uunmeasured household sewage | 6,468 |
| Unmeasured non-household sewage | 167 |
| Unmeasured sewage | (1)6,635 |
| Measured domestic sewage | 2849 |
| Trade effluent | 757 |
| Waste water returned | (2)10,242 |
(1) This is the sum of unmeasured household and non-household sewage.
(2) This is the sum of unmeasured sewage, measured domestic sewage and trade effluent.
| Volume | Megalitres |
|---|---|
| Septic tank waste | 1,343 |
| Cesspool waste | 940 |
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