| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 2 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 3 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 4 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 5 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 6 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 7 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 8 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 9 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 para. 12 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 para. 13 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 1 para. 1 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 1 para. 2 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 1 para. 3 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 1 para. 4 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 1 para. 5 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 1 para. 6 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 1 para. 7 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 1 para. 8 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 2 para. 1 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 2 para. 2 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 2 para. 3 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 2 para. 4 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 2 para. 5 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 2 para. 6 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 2 para. 7 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 2 para. 8 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 2 para. 9 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 2 para. 10 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 2 para. 11 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 2 Ch. 1 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 2 Ch. 2 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 2 Ch. 3 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 2 Ch. 4 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 2 Ch. 5 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 3 para. 1 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 3 para. 2 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 3 para. 3 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 3 para. 4 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 3 para. 5 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 3 para. 6 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 3 para. 7 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 3 para. 8 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 3 para. 9 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 3 para. 10 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 1 Pt. 3 para. 11 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 2 para. 3 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 2 Pt. 1 para. 1 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 2 Pt. 1 para. 2 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |
| The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | Sch. 2 Pt. 2 para. 1 | coming into force | The Water Framework Directive (Priority Substances and Classification) Regulations (Northern Ireland) 2011 | 2011 No. 10 | reg. 1 | Yes | |