Whole of water lifecycle management experts supporting your raw water intake, water treatment processes, sludge collection and dewatering, and safe water distribution.


Supporting your objectives of sustainable water treatment to produce high quality water without significant impact to the environment. Striving for optimal water, energy and chemical usage.

system control

Experts in system control, operating improvement and the fight against scale, corrosion and bacteria. We tailor solutions to expected technical operating performance levels advising on capital investment and ROI.

Outstanding water treatment services

A large team of over 700 water treatment engineers, technicians and consultants works on over 20,000 customer sites across the UK and Ireland across;

  • All water – potable, process, wastewater
  • Boiler water systems
  • Chemicals (liquid, solid, eco)
  • Chemical cleaning / chlorination
  • Chlorine / chlorine alternatives
  • Cooling (including super cooling)
  • Disinfection / secondary disinfection
  • Dosing and control equipment
  • External treatment
  • Grey water, re-use and effluent
  • Water chemistry
  • Water testing / monitoring
Water Hygiene Services

Water Treatment Services

Outstanding water treatment for commercial buildings and Facility Management companies.

Measurable results for:

✓ Control of scale, corrosion and bacteria

✓ Legionella risk assessment and control

✓ Closed circuit and chiller systems

✓ Closed system monitoring / improvement

✓ Cooling towers (refurbishment, renewal)

✓ Steam purity / boiler performance

✓ Low and medium pressure heating systems

✓ Pre-treatment, dosage, chemical cycle

✓ Water recovery and re-use

✓ Compliance with HSE 274 Parts 1-3, ACoP L8, BG04 / 29 / 50

technology A smart way to manage critical systems

  • Monitors critical systems 24/7
  • Flags conditions that lead to corrosion
  • Reduces risk of catastrophic failure
  • Reduces call-outs and insurance premiums
  • Enables you to demonstrate duty of care
  • Supports BG29/50

Wastewater and dewatering Wastewater and dewatering

WCS Group’s technical team include wastewater and dewatering specialists bringing considerable savings on daily running costs, enabling water re-use and waste-to-energy projects.

Water treatment knowledge bank

Closed loop water treatment chemicals

Closed loop water systems are used in a variety of industrial processes...

Water safety innovations

Whether driving your operational processes in factory or industrial facility...

Water microbiology

Despite vast improvements in water safety, drinking water is...

Drinking water quality and bacteria in water distribution systems (Part 1)

Drinking water quality is something we take for granted in the UK but it is ...

Drinking water quality and bacteria in water distribution systems (Part 2)

We consider how pipe material, pipe age, the physical integrity of the water...