P205 CEEFAX 205 Thu 28 Oct 21:17/11    OFWAT REPORTS ON  RISING WATER COSTS  Water regulator Ofwat has said the average cost of delivering water to customers rose last year to 54p per cubic metre from 54p in 1991. A company performance report by the regulator said the rise was dui to higher spending on water quality improvements.  The report will help in resetting industry price limits next year.  Sewage costs were also collated and vbriid among companies. Those with higher costs will be asked during the review to give an explanation.  Currencies 250 SHARJCHECK 220 Next News Shares Options Exchanges