S.I. 1989 No. 1148
The Secretary of State for the Environment and the Secretary of State for Wales, acting jointly in exercise of the powers conferred on them by section 104(1) of the Water Act 19891 hereby make the following Regulations:-
1. These Regulations may be cited as the Surface Waters (Classification) Regulations 1989 and shall come into force on 1st September 1989.
2. The classifications prescribed by these Regulations apply only in relation to inland waters (including any lake or pond which, by virtue of an order made under section 103(5) of the Water Act 1989,2 is to be treated as a relevant lake or pond).
3. The classifications DW1, DW2 and DW3 and the criteria for those classifications set out in the Schedule to these Regulations shall apply for classifying waters by reference to their suitability for abstraction by water undertakers for supply (after treatment) as drinking water.
The limits set out below are maxima
|2||Coloration (after simple filtration)||mg/1 Pt Scale||20||100||200|
|10||Dissolved iron||mg/1 Fe||0.3||2|