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Dwr Cymru Welsh Water
Requisition a Water Main

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Requisition a Water Main

  1. Please have your credit/debit card available to make payment as part of this application
  2. Please ensure that you have read our guidance notes before completing this application form
  3. During the electronic application you will be required to upload a location plan and proposed site layout plan. We suggest gathering these materials in advance and reviewing the file upload requirements below to make the application process as easy as possible. When preparing your application materials to be uploaded as part of your application please note the following:
    The file size of each document must be less than 15 MB
    Any files exceeding 15 MB should be sent to developer.services@dwrcymru.com
    We can only accept DWG for the proposed site layout plan
  4. You may be asked to provide further information by a member of our Developer Services Team as your application progresses. You may send this via email.
  5. You will receive a confirmation email within 2 hours of your form submission
Applicant Details

(Please note that fields marked * are mandatory)

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You will receive email confirmation of your online application
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Name and Address of Agent
CDM Co-Ordinator
Development Details

(Please note that fields marked * are mandatory)

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Planning Approval
Is the development planning exempt?
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If Planning Permission is required for your development, please supply the Planning Approval Reference Number(s)
Previous Use of Premises/Use of Premises

(Please note that fields marked * are mandatory)

Was there a premise or premises on the site in the previous 5 years?
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What is the intended use of the development
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Previous Use of Land

(Please note that fields marked * are mandatory)

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Is the new water supply required for a development on a Brownfield site?
Construction of new properties, or renovation / conversion of existing buildings, land or premises that have previously been used or developed and may be vacant or derelict
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Is the site, any adjacent site or other land, through which you propose to lay your water pipe(s) be potentially affected by contamination?
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Are you planning to store any chemicals, fuel or other materials likely to affect the quality of wholesome water and which will affect the proposed pipe selection?
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Description of Proposed Work
Water Supply (Water Fittings) Regulations 1999.
Notification of Proposed Works for the Granting of Consent.
This section does not have to be completed if you are separating a domestic shared supply
For help with completion of this section, please refer to our Guidance Note in Section 7
Please tick relevant box for each of the following questions
The installation of water fittings in conjunction with:
The erection of a building or other structure
Extension or alteration of a water system on any premises (other than a house)
A material change of use of the premises
Temporary standpipe
Other installation
Proposed Installations
If any of the boxes in this section are ticked, you must provide supporting documentation i.e. installation plans, diagrams, technical details of fittings/appliances, make/model etc and any relevant approval documents
Does your proposed development include:
A bidet with an ascending spray or flexible hose
A pump or booster drawing more than 12 litres per minute, connected directly or indirectly to a supply pipe, e.g. Pumped delivery showers (power showers), pressure washers, high rise building pumped water delivery systems
A water treatment unit which incorporates reverse osmosis, e.g. pure water systems
A water treatment unit which produces a wastewater discharge or which requires the use of water for regeneration of cleaning e.g. certain types of domestic/commercial salt regenerated water
A reduced pressure zone (RPZ) valve assembly or other mechanical device for Fluid Category 4 backflow protection
A garden watering system, unless designed to be operated by hand
Any water system laid outside a building, either less than 750mm or more than 1350mm below ground level
The construction of a pond or swimming pool over 10,000 litres capacity, designed to be replenished automatically with water
Any water pipes for fire fighting purposes
A rainwater or greywater harvesting system
Use of an alternative supply of water anywhere on the premises e.g. spring, borehole etc.
Land Interest

(Please note that fields marked * are mandatory)

What is your interest in the land to be served by the requisitioned main?
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Pre-Planning
Has your site been subject to a pre-planning enquiry?
Phasing Information for the Installation of a Water Main
The extent of each phase is to be marked on a site plan
Number of properties by the end of
Year 1
Year 2
Year 3
Year 4
Year 5
Year 6
Year 7
Year 8
Year 9
Year 10
Year 11
Year 12
File Uploads

The file size of each document must be less than 15MB
We can only accept DWG, PDF, BMP, JPEG, DOC, DOCx file types
Files cannot be password protected

Please select the Location Plan file  *
Please be aware that it is not possible to upload files when using an iPad or iPhone.
Legal Notice
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Dŵr Cymru Cyf, a limited company registered in Wales No. 2366777. Registered office: Linea, Fortran Road, St Mellons, Cardiff, CF3 0LT.

© Dŵr Cymru Cyf 2023.

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