June Return 2005 Public Domain

Northumbrian & Essex & Suffolk

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 23 32 34 33 57
2 % of total domestic properties subject to internal sewage flooding % 0.02 0.02 0.02 0.02 0.01 0.03 0.03 0.02
DELIVERING THE QUALITY ENHANCEMENT PROGRAMME
3 Sewerage improvements: % of satisfactory intermittent discharges % 98.18 96.48 89.55 82.54 72.50 74.11 75.93
4 Sewerage improvements: number of intermittent discharges improved nr 12 47 22 70 76
5 STW Improvements: Population equivalent served by improved STWs 000s 307.70 3,382.00 79.90 171.21 278.71
6 STW Improvements: Number of enhanced sewage treatment works nr 7 14 28 19 36
MAINTAINING SERVICEABILITY TO CUSTOMERS
7 Sewer collapses per 1,000km nr 10.0 5.0 6.0 7.0 6.0 5.0 1.7 5.0
8 Nr of pollution incidents at CSOs and sewers (categories 1 to 3) nr 177 98 88 135 145 131 181 191
9 Percentage of sewage treatment works failing numeric consents % 0.50 0.50 0.70 0.70 1.16 0.93 2.12 0.94
10 % equivalent population served by non compliant works failing LUT consents % 1.70 0.00 0.70 0.00 0.00 1.50 1.09 0.00
11 Properties flooded in the year (overloaded sewers) nr 192 160 89 114 34 141 274 115


This data has been viewed by the company prior to publication. This file created on: September 29, 2005 at 15:45:00.
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