June Return 2005 Public Domain

Southern

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 9 19 53 16 6
2 % of total domestic properties subject to internal sewage flooding % 0.02 0.01 0.03 0.05 0.02 0.02 0.01 0.02
DELIVERING THE QUALITY ENHANCEMENT PROGRAMME
3 Sewerage improvements: % of satisfactory intermittent discharges % 80.47 80.87 81.78 84.11 87.49 89.90 96.61
4 Sewerage improvements: number of intermittent discharges improved nr 18 28 40 11 34
5 STW Improvements: Population equivalent served by improved STWs 000s 310.00 860.30 442.80 63.20 21.78
6 STW Improvements: Number of enhanced sewage treatment works nr 4 5 20 21 15
MAINTAINING SERVICEABILITY TO CUSTOMERS
7 Sewer collapses per 1,000km nr 18.0 14.1 11.7 10.0 11.0 9.6 10.5 9.4
8 Nr of pollution incidents at CSOs and sewers (categories 1 to 3) nr 102 77 73 147 137 110 185 124
9 Percentage of sewage treatment works failing numeric consents % 0.50 1.10 1.40 2.20 2.17 2.17 1.63 4.92
10 % equivalent population served by non compliant works failing LUT consents % 3.50 0.00 0.00 0.00 8.08 0.09 0.09 0.11
11 Properties flooded in the year (overloaded sewers) nr 130 22 182 598 40 40 27 15


This data has been viewed by the company prior to publication. This file created on: September 29, 2005 at 15:47:51.
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