The Water Industry Mechanical and Electrical Specifications (WIMES) define the requirements for a wide range of mechanical and electrical equipment used in the UK water industry. The specifications comprise descriptive text clauses and data sheets.



​The WIMES have been produced with the co-operation and approval of the following water companies:
  • Affinity Water
  • Anglian Water
  • Bristol Water
  • Cambridge Water Company
  • Irish Water
  • Northern Ireland Water
  • Northumbrian Water
  • Scottish Water
  • Severn Trent Water
  • South East Water
  • South West Water
  • Thames Water
  • United Utilities
  • Veolia Water
  • Welsh Water
  • Wessex Water
  • Yorkshire Water

How do I Purchase WIMES?

If you require a significant number of WIMES documents then the most cost effective way to purchase them is by becoming a Level 3 member of the Pump Centre.

If you require Individual WIMES documents these can be purchased from the Pump Centre by providing a purchase order or cheque for the required amount. Each WIMES document is priced at £100 (Ex VAT). Please complete and return the downloadable WIMES PAYMENT FORM

Contact Information

For further information or queries regarding WIMES, please call the WIMES Coordinator Roger Marlow on +44 (0)7793 369522 or E-mail him at