Regulator profile
DWI
Drinking Water Inspectorate
Enforcement Regulator2 areas of regulation · 8 laws enforced · England & Wales
Quick links
Drinking Water
Water Quality
What DWI does
Regulates drinking water quality in England and Wales. Audits water companies, investigates water quality incidents, and approves products and substances used in public water supplies. Part of Defra.
Legal framework
Legislation that DWI directly enforces.
Primary legislation
- Water Industry Act 1991 Act 1991
- Water Act 2003 Act 2003
- Water Act 2014 Act 2014
Secondary legislation
- Water Supply (Water Fittings) Regulations 1999 UK Statutory Instrument 1999
- The Water Supply (Water Quality) Regulations 2016 UK Statutory Instrument 2016
- The Water Supply (Water Quality) (Amendment) Regulations 2018 UK Statutory Instrument 2018
- The Water Supply (Water Quality) Regulations 2018 Welsh Statutory Instrument 2018
- The Air Navigation (Restriction of Flying) (Northampton Sywell) Regulations 2023 UK Statutory Instrument 2023
Related legislation
Legislation connected to DWI's remit but not directly enforced — establishing Acts, amendments, referenced legislation, and context.
Administered / monitored
-
Food Safety Act 1990
UK Act of Parliament 1990 -
Council Directive 98/83/EC of 3 November 1998 on the quality of water intended for human consumption
UK Act of Parliament 1998 -
Environment Act 2021 (enhancement)
UK Act of Parliament 2021
Referenced in enforcement
-
The Private Water Supplies (England) Regulations 2016
UK Statutory Instrument 2016 -
The Private Water Supplies (Wales) Regulations 2017
Welsh Statutory Instrument 2017