S.L. 549.21 · Quality Required Of Surface Water (S.L. 549.21)
S.L. 549.21 Art. 2Classification of drinking water.
(1) These regulations concern the quality requirements which surface fresh water used or intended for use in the abstraction of drinking water, hereinafter called "surface water", must meet after application of appropriate treatment. Ground water, brackish water and water intended to replenish water-bearing beds shall not be subject to these regulations.
(2) For the purposes of applying these regulations, all surface water intended for human consumption and supplied by distribution networks for public use shall be considered to be drinking water.