Regulation 20 Amendment to the Water Supply (Water Quality) Regulations 2000F1 Repealed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Annotations Textual amendments F1 Reg. 20 revoked (27.6.2016) by The Water Supply (Water Quality) Regulations 2016 (S.I. 2016/614), reg. 1(1), Sch. 7 (with reg. 1(2)(3)) ← Regulation 19 Regulation 20 Regulation 21 →