June Return 2005 Public Domain

Severn Trent

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 119 282 445 400 421
2 % of total domestic properties subject to internal sewage flooding % 0.05 0.03 0.05 0.03 0.02 0.02 0.02 0.02
DELIVERING THE QUALITY ENHANCEMENT PROGRAMME
3 Sewerage improvements: % of satisfactory intermittent discharges % 88.69 89.34 89.43 89.80 93.38 93.04 95.45
4 Sewerage improvements: number of intermittent discharges improved nr 0 32 89 144 78
5 STW Improvements: Population equivalent served by improved STWs 000s 55.50 837.78 156.00 575.00 1,554.00
6 STW Improvements: Number of enhanced sewage treatment works nr 24 61 17 36 182
MAINTAINING SERVICEABILITY TO CUSTOMERS
7 Sewer collapses per 1,000km nr 6.7 5.3 7.2 11.0 10.4 10.6 11.6 6.9
8 Nr of pollution incidents at CSOs and sewers (categories 1 to 3) nr 326 291 183 238 193 207 231 214
9 Percentage of sewage treatment works failing numeric consents % 2.50 1.30 1.00 1.90 1.47 1.96 1.87 1.42
10 % equivalent population served by non compliant works failing LUT consents % 8.30 0.00 0.00 0.00 0.03 0.00 0.12 0.00
11 Properties flooded in the year (overloaded sewers) nr 1,284 601 1,204 258 356 295 84 226


This data has been viewed by the company prior to publication. This file created on: September 29, 2005 at 15:46:04.
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