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Sewage in Rivers

Volume 453: debated on Monday 27 November 2006

To ask the Secretary of State for Environment, Food and Rural Affairs on how many occasions untreated sewage was discharged into the (a) Hampshire Avon, (b) River Nadder, (c) River Ebble, (d) River Wylye and (e) River Bourne in Wiltshire in (i) 2005 and (ii) 2006. (102500)

The Environment Agency's National Incident Recording System (NIRS) show that there were 33 sewage related discharges into the Hampshire Avon and its tributaries in 2005 and 21 such discharges so far in 2006. The following table summarises these incidents by category and river catchment.

River

Category

2005

20061

Hampshire Avon2

Category 1

0

0

Category 2

2

1

Category 3 or 4

13

9

River Nadder

Category 1

0

0

Category 2

0

0

Category 3 or 4

4

2

River Ebble

Category 1

0

0

Category 2

0

0

Category 3 or 4

1

0

River Wylye

Category 1

0

0

Category 2

0

1

Category 3 or 4

12

3

River Bourne

Category 1

0

0

Category 2

0

0

Category 3 or 4

1

5

Total

Category 1

0

0

Category 2

2

2

Category 3 or 4

31

19

1 To 22 November 2006. 2 Source to Christchurch.

Each incident was investigated to establish the cause and to quantify the impact. For Category 1 and 2 incidents (those with the greatest impact) the Environment Agency also gather evidence which may be used to support subsequent enforcement action. In addition, the Environment Agency would ensure that visible evidence of sewage pollution is removed from the river and that the polluter takes action to prevent a reoccurrence of the incident.