Scottish drinking water quality slides

The quality of Scotland's drinking water declined in 1997 for the second year running, according to a Scottish Office report. 1 Only 98.1% of samples complied with all regulatory requirements, compared with 98.6% in 1996 and 98.7% in 1995. Problem parameters where compliance levels are falling include colour, turbidity, iron and trihalomethane disinfection by-products.

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