UK Statutory Instrument 1999 United Kingdom

Water Supply (Water Fittings) Regulations 1999

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At a glance

Enforced by

DWI

What's here

5 compliance obligations, 2 practical guides across 2 topics · 2 journeys

Penalty landscape

1 of 5 obligations carry a fine up to £1,000. 4 have no criminal penalty — flagged in the list below.

Who this Act binds

Business-side actors with duties under this Act, ranked by how often they appear.

Any Person 2
Statutory Undertaker 1
Contractor 1

Plus 1 non-business duty on Crown ministers, regulators, local authorities or tribunals — shown collapsed under each section below.

Step-by-step journeys using this legislation

Walkthroughs that take you from a real business situation to compliance.

Building compliance quick check

1 step

Building compliance for new property owners

1 step

Relevant guidance

Practical guides for businesses affected by this Act, ordered by how closely they engage with it.

Supporting — topic alignment

1 guides

Meet your water industry regulatory duties

Mentioned in related content

1 guides

Water systems and legionella compliance

Other Acts binding the same actors

For each actor bound by this Act, the other UK Acts that bind them most often. Useful for understanding the full compliance landscape facing each role.

Any Person also bound by 749 other Acts (top 5 shown)

Human Medicines Regulations 2012 2012 110 duties
Licensing Act 2003 2003 105 duties
Merchant Shipping Act 1995 1995 97 duties
Road Traffic Act 1988 1988 95 duties
Air Navigation Order 2016 2016 86 duties

Statutory Undertakers also bound by 21 other Acts (top 5 shown)

Water and Sewerage Services (Northern Ireland) Order 2006 2006 43 duties
Water Industry Act 1991 1991 38 duties
The Street Works (Northern Ireland) Order 1995 1995 13 duties
The Water Supply (Water Quality) Regulations 2000 2000 12 duties
New Roads and Street Works Act 1991 1991 11 duties

Contractors also bound by 56 other Acts (top 5 shown)

Construction (Design and Management) Regulations 2015 2015 360 duties
The Income Tax (Sub-contractors in the Construction Industry) Regulations 1993 1993 19 duties
Building Regulations (Northern Ireland) 2000 2000 17 duties
Building Regulations (Northern Ireland) 2012 2012 15 duties
Work in Compressed Air Regulations 1996 1996 14 duties

What this Act requires

Sections that create concrete duties on businesses or carry penalties. Procedural and definitional sections are folded into the “Browse other sections” expander at the bottom of each group. Click any section title to read the source text on legislation.gov.uk.

Part I

Browse 2 other sections in this Part — procedural / definitional / commencement

s.001

Citation, commencement and interpretation

s.002

Application of Regulations

Part II

s.004

Requirements for water fittings etc.

Ensure water fittings are high-quality and correctly installed Any Person

s.006

Contractor’s certificate

Provide or file a certificate upon completing water fitting work Contractor

Browse 1 other section in this Part — procedural / definitional / commencement

s.005

Notification

Part III

s.007

Penalty for contravening regulations

Fine up to £1,000

Commence water‑fitting work without required notice or consent Any Person

s.010

Enforcement

Water undertakers must enforce water fitting regulations Statutory Undertaker

s.012

Approval by the regulator or the water undertaker

Other duties (1) — Crown / regulator

Regulator must consult and notify stakeholders before approving specifications Statutory regulator

Browse 5 other sections in this Part — procedural / definitional / commencement

s.008

Schedules

Browse 1 other Schedule — structural / supplementary

s.003

BYELAWS REVOKED

Read the full Act on legislation.gov.uk

Official guidance

Authoritative sources published by regulators or government explaining this legislation.

DWI: drinking water quality (opens in a new tab) Detailed Guidance
Ofwat: sewerage undertakers (opens in a new tab) Detailed Guidance
Water management apply for a water abstraction or impoundment licence (opens in a new tab) Detailed Guidance

Enforcement and responsible bodies

The regulators that administer or enforce this legislation.

DWI

Drinking Water Inspectorate

Regulates drinking water quality in England and Wales. Audits water companies, investigates water quality incidents, and approves products and substances used in …