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Information Letters


The Inspectorate from time to time issues Information Letters to all water companies giving advice, guidance or requiring information.

The following link is a list of currently relevant Information Letters and those deemed to be of significant interest.


Details of all other Information Letters issued from 1990 to the present can be found by selecting options below for DWI Information Letters:

These Information Letters are not accessible via this web site and are available in hardcopy only via the DWI address given at the foot of this page.


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Drinking Water Inspectorate

Ashdown House, 123 Victoria Street, London, SW1E 6DE
Telephone : 020 7944 5956


Department for Enviroment,
Food & Rural Affairs (DEFRA)

The National Assembly for Wales /
Cynulliad Cenedlaethol Cymru


Last updated February 2003

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