Paragraph 6 Discharges to groundwaterI1 Northern Ireland An authorisation under the Groundwater Regulations (Northern Ireland) 1998f1 Annotations Commencement I1 Sch. 3 para. 6 in operation at 24.7.2009, see reg. 1 Footnotes f1 S.R. 1998 No. 401 ← Paragraph 5 Paragraph 6 Paragraph 7 →