| Institution: | Drinking Water Inspectorate | |
| E-mail: | dwi_enquiries@detr.gov.uk | |
| Web: | http://www.dwi.gov.uk/ | |
| Address: | Floor 2/A1, Ashdown House 123 Victoria Street | |
| Town: | London | |
| County: | Greater London | |
| Postcode: | SW1E 6DE | |
| Telephone: | 020 7890 5956 | |
| Fax: | 020 7944 5969 |