Approval for Products used by water companies

Pipe Systems – (Excluding Stainless Steel)

Plastic, factory coated metallic, cementitious.

Associated Advice Sheets

Advice sheet 5

Also see Advice sheets 1 and 2 at the bottom of this page.

Associated Annexes of the List of Approved Products

Annex 3

Pipe Systems Application Form

Pipe Systems Application Form

Other Products – Non-Metallic Construction Products

Anything not covered by product type specific application forms.

Associated Advice Sheets

Advice sheet 5

Advice sheet 7

Also see Advice sheets 1 and 2 at the bottom of this page.

Associated Annexes of the List of Approved Products

Annex 3

Non-Metallic Construction Products Application Form

Stainless Steel Products

Anything made from stainless steel including pipes.

Associated Advice Sheets

Advice sheet 5

Also see Advice sheets 1 and 2 at the bottom of this page.

Associated Annexes of the List of Approved Products

Annex 3

Stainless Steel Construction Products Application Form

Chemicals

Treatment chemicals & mixtures of BSEN chemicals.

Associated Advice Sheets

Also see Advice sheets 1 and 2 at the bottom of this page.

Associated Annexes of the List of Approved Products

Annex 2

Chemicals for use with Drinking Water Application Form

Membranes & Water Treatment Units

Membrane filters & water treatment units (for housings use either 2 or 3).

Associated Advice Sheets

Advice sheet 6

Also see Advice sheets 1 and 2 at the bottom of this page.

Membrane Filtration & Water Treatment Units Application Form

Site and in-situ applied coatings

Coatings used for pipes, tanks and other structures.

Associated Advice Sheets

See Advice sheets 1 and 2 at the bottom of this page.

Site & In-Situ Applied Products Application Form

Site & In-Situ Applied Products Application Form

Chemical Additives

Chemicals used with membranes.

Associated Advice Sheets

Also see Advice sheets 1 and 2 at the bottom of this page.

Associated Annexes of the List of Approved Products

Annex 2

Chemical Additive Application Form

Chemical Additive Application Form

Electrochemical Generating Processes

Systems used to generate treatment chemicals.

Also see Advice sheets 1 and 2 at the bottom of this page.

Associated Annexes of the List of Approved Products

Annex 2

Electrochemical Generating Process Application Form

Filter Media

Filter media not covered by BSEN filter media standards (or mixtures of different BSENs).

Associated Advice Sheets

Also see Advice sheets 1 and 2 at the bottom of this page.

Associated Annexes of the List of Approved Products

Annex 2

Filter Media Application Form

Filter Media Application Form

Metallic Construction Products

Metallic products not made from stainless steel.

Associated Advice Sheets

See Advice sheets 1 and 2 at the bottom of this page.

Associated Annexes of the List of Approved Products

Contact the Regulation 31 team, please email reg31.enquiries@defra.gov.uk or telephone +44(0)300 068 6400

Release Agents

Release agents for site poured cements.

Associated Advice Sheets

Advice sheet 7

Also see Advice sheets 1 and 2 at the bottom of this page.

Associated Annexes of the List of Approved Products

Annex 2

Release Agents Application Form

Release Agents Application Form

Advice Sheet 1 & 2

These advice sheets relate to all products on this page.

Advice sheet 1

Advice sheet 2

Other Information

Advice sheet 9

Reg31 Enquiries

To contact the Regulation 31 team, please email reg31.enquiries@defra.gov.uk, or telephone +44(0)300 068 6400

Full list of approval forms

View a full list of approval forms

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  1. Step1What is the market for your product?

    A. Products used by water companies

    Regulation 31 applies, go to step 2.

     

    B. Products used in private water supply

    You do not require approval under Regulation 31.

    Please see PWS section

     

    C. Products used within a property boundary

    You do not require approval under Regulation 31.

    Learn more

     

  2. Step2Approval for Products used by water companies

  3. Step3Other information