Specialist Commercial Water Treatment Services & Systems

Elite Water Treatment provides specialist water treatment services and water treatment systems including Legionella Assessment and Control Services to a wide variety of commercial clients across the South East of England, East Anglia and Central London.

Expert Water Treatment Services You Can Trust

With over twenty years of experience in specialist water treatment Elite Water Treatment delivers a first class, low impact and cost effective service every time. Our friendly, highly qualified team combines technical expertise with a proactive, practical approach to ensure full compliance and peace of mind for our clients.

Our Water Treatment Services

Elite Water Treatment specialises in the full lifecycle of water system management, using only the highest‑quality materials and equipment to ensure outstanding results. We support businesses in managing risk, meeting legal obligations and maintaining efficient, safe systems - whether through proactive maintenance or reactive support.

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Our Water Treatment Services

From cold water tank cleaning and chlorination to UKAS lab testing and compliance support, find out more about our Water Treatment Services.

LTHW and Chilled Systems Services

LTHW & Chilled Systems

Pre‑commission cleaning, dosing and ongoing maintenance of heating and chilled systems.

Legionella Risk Assessment and Testing Services

Legionella Risk Assessment

Comprehensive risk assessments, monitoring and compliance support.

Water Supply Chlorination BS 8558

Water Supply Chlorination (BS 8558)

We provide specialist water supply chlorination in line with BS 8558 best practice, helping you meet local Water Authority expectations.

Cold Water Storage Tank Services

Cold Water Storage

Surveys, analysis, flushing & chemical cleaning of closed water systems to BSRIA standards.

Acid Descaling Services

Acid Descaling

Specialist acid descaling for boilers and hot water systems and ongoing maintenance.

Water Supply Chlorination BS 8558

Pre-Commission Cleaning of Pipework Systems

We provide pre-commission chemical cleaning and flushing services for new and extended closed re-circulating mechanical systems.

Compliance and Maintenance Plans

Elite Water Treatment offers tailored compliance and maintenance plans designed to take the pressure off managing complex water systems. Instead of coordinating multiple tasks, schedules and records internally, clients benefit from a structured, fully managed service that keeps everything running smoothly and consistently.

Whether supporting single-site operations or complex multi-building portfolios, we offer planned service schedules, clear reporting and responsive technical support delivered by fully qualified, vetted technicians. This structured approach ensures your systems remain well maintained, compliant and operating reliably throughout the year.

Our Other Services

We also offer Water Hygiene Services, making it easy to keep your building’s water systems safe, clean and well maintained.

CLO2 Proportional Dosing Services

BS 8558 (BS 6700) - Chlorination

We design and build ClO₂ dosing systems and maintain them to keep performance stable over time.

Cold Water Tank Cleaning Services

Water Tank Cleaning

Cleaning and disinfection of hot and cold water storage tanks.

RPZ Valve Commissioning and Testing

RPZ Valve Commissioning and Testing

System commissioning and testing to meet Water Fittings and RPZ requirements.

Commercial Water Softeners Services

Commercial Water Softeners

Our commercial water softener service provides supply, installation and ongoing servicing to help protect downstream assets such as boilers, calorifiers and heat exchangers.

Pumps and Side Stream Filter Units Services

Side Stream Filtration

We help you select, integrate and maintain filtration that suits your system design and operational pressures.

Descale of Calorifiers and Boilers Services

Descale of Calorifiers & Boilers

Specialist descaling for boilers and hot water systems and ongoing maintenance.

CLO2 Proportional Dosing Systems Custom Built & Maintained Services

CLO₂ (Chlorine Dioxide) Proportional Dosing Systems (Custom Built & Maintained)

Complete treatment programmes for all boiler types and pressures.

Compliance and Maintenance Plans

We provide a comprehensive range of supporting water treatment and water hygiene services together with maintenance plans designed to complement your core compliance programme and ensure the ongoing safe operation of your systems. From chlorination and tank disinfection through to RPZ valve testing, side stream filtration and plant descaling, our services are delivered in-line with recognised industry guidance.

Our maintenance plans are built around your site and requirements, providing a reliable programme of scheduled visits, ongoing support and clear reporting. This service-led approach ensures that key responsibilities are handled professionally, with minimal disruption to your operations.

Why Choose Elite Water Treatment

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Over 20 Years of Specialist Experience

Extensive expertise across commercial, industrial and public sector environments.

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Full Compliance Support

Stay ahead of complex water regulations with proactive guidance and monitoring.

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Reactive & Proactive Services

From planned maintenance to urgent compliance issues, we’ve got you covered.

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Highly Qualified Technicians

All engineers hold National Water Hygiene, SHEA & CSCS cards and are fully vetted.

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Minimal Disruption

Efficient, low impact services designed around your operations.

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Trusted Across Multiple Sectors

From SMEs to government bodies, healthcare and large commercial facilities.

Stay Compliant Without the Stress

Water treatment regulations can be complex and time consuming.

We help duty holders, facilities managers and business owners:

  • Understand their legal responsibilities
  • Maintain safe and compliant systems
  • Avoid costly penalties and disruption

Whether you need a full compliance programme or help catching up, our team provides practical, clear support.

Expert Water Treatment Services - Who We Work With

We support clients across a wide range of sectors, including:

  • SMEs and large corporate organisations
  • NGOs and charities
  • Schools, colleges and universities
  • Government departments and local authorities
  • Healthcare facilities and hospitals
  • HMOs and residential buildings
  • Hospitality and leisure facilities
  • Housing associations and office blocks
  • Police, military and embassies
  • The National Trust

All of our technicians are fully qualified and accredited, holding:

  • National Water Hygiene certification
  • SHEA and CSCS cards
  • First Aid training
  • CRB checks

Whether you need ongoing support, a one‑off service or help with compliance, our team is ready to assist.

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Frequently Asked Questions

Do I need a Legionella risk assessment?

Yes, if you are responsible for a property with a water system, you are legally required to assess and control Legionella risk.

How often should water systems be tested?

This varies depending on system type and risk level. We provide tailored schedules to ensure full compliance without unnecessary cost.

What if we are not compliant?

We can quickly assess your current position, carry out corrective work and help you regain full compliance.

Can you help if we have fallen behind with compliance?

Absolutely. Many clients come to us reactively after audits, inspections or internal reviews highlight gaps. We assess your current position, prioritise risks, implement corrective measures and help you achieve certification and ongoing compliance.

Are your technicians fully qualified?

Yes. All Elite Water Treatment technicians are fully trained and hold National Water Hygiene, SHEA and CSCS cards. They are First Aid trained and CRB checked, ensuring safe, professional and compliant work on every site.

Do you support new build and refurbishment projects?

Yes, we work with consultants and contractors to ensure systems are properly commissioned to BSRIA and British Standards.

Do you work with multi‑site businesses?

Yes, we support organisations with single or multiple sites, providing consistent service and reporting.

How do I get a quote or more information?

Simply contact Elite Water Treatment by phone or email even if it's just informal guidance or advice you need in the first instance. We’ll discuss your site, responsibilities and requirements, and provide clear advice and a tailored solution.