June Return 2005 Public Domain

Wessex

Boards Overview, Table B
Sewerage Service - Key Outputs and Service Delivery

Description Units 1997-98 1998-99 1999-00 2000-01 2001-02 2002-03 2003-04 2004-05
KEY OUTPUTS AND SERVICE DELIVERY
DG5 - PROPERTIES AT RISK OF FLOODING
1 Removed by company action nr 55 90 101 70 48
2 % of total domestic properties subject to internal sewage flooding % 0.02 0.02 0.02 0.02 0.01 0.01 0.01 0.01
DELIVERING THE QUALITY ENHANCEMENT PROGRAMME
3 Sewerage improvements: % of satisfactory intermittent discharges % 66.83 67.78 72.43 82.87 89.01 92.63 98.27
4 Sewerage improvements: number of intermittent discharges improved nr 71 182 105 86 86
5 STW Improvements: Population equivalent served by improved STWs 000s 1,646.00 97.70 547.00 1,331.00 326.00
6 STW Improvements: Number of enhanced sewage treatment works nr 20 9 17 14 18
MAINTAINING SERVICEABILITY TO CUSTOMERS
7 Sewer collapses per 1,000km nr 15.0 18.0 17.0 15.0 12.0 16.4 15.9 15.2
8 Nr of pollution incidents at CSOs and sewers (categories 1 to 3) nr 83 66 100 184 114 90 94 72
9 Percentage of sewage treatment works failing numeric consents % 2.00 1.40 1.40 1.00 1.01 0.74 1.46 2.42
10 % equivalent population served by non compliant works failing LUT consents % 0.90 1.20 2.90 1.30 5.44 0.00 0.00 0.96
11 Properties flooded in the year (overloaded sewers) nr 134 82 109 102 68 76 12 45


This data has been viewed by the company prior to publication. This file created on: September 29, 2005 at 15:49:25.
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