Special factor claims that were granted by Ofwat in 2003-04 relating to water treatment and waste water issues
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Special factor claims that were granted by Ofwat in 2003-04 relating to water treatment and waste water issues


Water treatment:
  • Severn Trent Water - enhanced water treatment [arsenic reduction]
  • Folkestone and Dover Water - treatment complexity
  • South Staffordshire Water - Blithefield Reservoir
  • South Staffordshire Water - blending schemes
  • Sutton and East Surrey Water - unusual groundwater treatment costs
  • Tendring Hundred Water - Ardleigh Reservoir
  • Three Valleys Water -complex treatment


Waste water issues:
  • Dwr Cymru - doubtful debt
  • United Utilities - bad debt
  • Northumbrian Water - sludge treatment and disposal costs
  • Northumbrian Water - UV treatment
  • Severn Trent Water - Nitrification
  • Southern Water - sludge
  • Thames Water - traffic congestion
  • Thames Water - river Thames discharge consents

Copies of each of the above are available from Ofwat's Library on request - photocopying charge is 10p/page

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