The Private Water Supplies (Wales) Regulations 2010

Other private supplies

10.—(1) In all cases, other than a private supply to a single dwelling not used for a commercial activity and those to which regulation 8 and 9 apply, the local authority must monitor for–

(a) conductivity;

(b) enterococci;

(c) Escherichia coli (E. coli);

(d) hydrogen ion concentration;

(e) turbidity;

(f) any parameter in Schedule 1 identified in the risk assessment as being at risk of not complying with the concentrations or values in that Schedule; and

(g) anything else identified in the risk assessment as a potential danger to human health.

(2) It must monitor at least every five years and carry out any additional monitoring that the risk assessment shows to be necessary.

(3) In the case of a private supply to a single dwelling not used for a commercial activity a local authority may monitor the supply in accordance with this regulation, and must do so if requested to do so by the owner or occupier.