June Return 2005 Public Domain

Dwr Cymru

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 45 26 95 40 32
2 % of total domestic properties subject to internal sewage flooding % 0.05 0.03 0.05 0.04 0.07 0.02 0.02 0.02
DELIVERING THE QUALITY ENHANCEMENT PROGRAMME
3 Sewerage improvements: % of satisfactory intermittent discharges % 57.91 61.84 62.49 71.22 66.19 76.85 85.73
4 Sewerage improvements: number of intermittent discharges improved nr 60 148 205 179 125
5 STW Improvements: Population equivalent served by improved STWs 000s 802.00 592.00 252.00 199.00 469.20
6 STW Improvements: Number of enhanced sewage treatment works nr 40 22 22 68 67
MAINTAINING SERVICEABILITY TO CUSTOMERS
7 Sewer collapses per 1,000km nr 35.0 42.0 35.7 32.0 36.0 25.4 28.8 29.2
8 Nr of pollution incidents at CSOs and sewers (categories 1 to 3) nr 359 274 138 159 223 179 201 154
9 Percentage of sewage treatment works failing numeric consents % 2.80 2.80 1.10 2.70 1.76 2.14 2.62 2.22
10 % equivalent population served by non compliant works failing LUT consents % 0.00 5.00 5.30 2.70 0.03 0.19 0.08 0.06
11 Properties flooded in the year (overloaded sewers) nr 292 189 364 319 806 102 82 151


This data has been viewed by the company prior to publication. This file created on: September 29, 2005 at 15:43:15.
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