Northumbrian Water Group

Winner of the Queen’s
Award for Enterprise

in the category of
sustainable development

We are proud to provide a sustainable, affordable, clean and safe water supply and to manage and treat the waste water returned to us in a way that protects the environment.

About us

Northumbrian Water Group contains the following companies and divisions:

Northumbrian Water Limited (NWL) provides water and sewerage services in the north east of England under the brand name Northumbrian Water and water services in the south east under the brand name Essex & Suffolk Water. It serves 2.7 million people in the north with water and sewerage services and 1.8 million people in the south with water services.

In addition to the main business of collecting, treating and supplying drinking water and collecting, treating and disposing of sewage and sewage sludge, NWL has a leisure business, which provides holiday accommodation, conferencing, recreation and fishing facilities, and a business called Property Solutions. This undertakes a range of searches for new homeowners relating to water and waste water connections, contaminated land, flooding and planning applications.

Key assets  North  South 
Impounding reservoirs   29  10
Water treatment works   35  29
Water pumping stations  269  90
Service reservoirs   252  102
Water mains   16,789km  8,424km
Sewers   15,484km  
Sewage pumping stations   683  
Sewage treatment works  437  
Customers billed  1.21m  760,000
Water supplied  800Ml/day (24% raw)  427 Ml/day
Area served  9,400 sq.km  2,861 sq.km
Employees  1,648  685

The Group provides water and waste water management with contracts in Scotland, Ireland and Gibraltar:

  • Caledonian Environmental Services plc, is responsible for the construction and operation of waste water treatment assets in Levenmouth, Scotland
  • Ayr Environmental Services Limited is a joint venture for the construction and operation of waste water treatment assets in Ayrshire, Scotland
  • Northumbrian Water Projects Limited (NWPL) is responsible for the operation and maintenance of waste water treatment assets in Cork, Ireland 
  • AquaGib Limited is responsible for the operation and maintenance of Gibraltar's water supply network.

Northumbrian Water Scientific Services (formerly known as AES), a trading division of NWL, provides analytical laboratory and scientific services including sampling and analysis of air quality, contaminated land, water and waste water in sites and has UKAS accredited laboratories. Its clients include 'NWL', 'Hanson Cement', the 'Environment Agency' and local authorities.

Vehicle Lease and Services Limited (VLS) provides plant and vehicle leasing services.