• Welcome to the CSCA

    The CSCA is a non-profit membership organisation for companies who actively support and demonstrate a sound approach to the control of water quality in closed systems

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  • Founder Members

    The CSCA wish to express their appreciation of the founding members

    Read more
  • CSCA Documentation

    The CSCA now has a range of documents available to download


Welcome to the CSCA

The CSCA is a membership organisation for companies who actively support and demonstrate a sound approach to the control of water quality in closed systems.

CSCA Founder Members

The CSCA wish to express their appreciation of the practical founding and continuing support provided by the following companies:


Ashford Environmental Services Limited was established in early 1997 to provide highly experienced, sensibly priced, professional and practical service to the construction industry.

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Balcomm are proud to have been successfully flushing and chemically cleaning systems for over 20 years. We work proactively with our clients to achieve BSRIA standards of closed system water. We also offer maintenance regimes to help keep systems in good condition throughout the systems working life.

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Building Monitoring Services Ltd

Building Monitoring Services offer unbiased independent expert advice and monitoring. We provide a source of advice which is completely independent of any remedial works or "extra" services that may, or may not, be required. We can provide health checks for buildings, regular auditing and monitoring, training and one off reactive consultancy all to BS8552 standard.

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Chesterfield Water Treatment

Chesterfield are consultants offering unbiased independent advice. We offer expertise in the field of water treatment. Chesterfield act as independent specialists in the pre-commission cleaning of closed circuit systems, open condenser water systems and domestic water installations. We also advise on the specialist cleaning of older or problematic systems.

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DTK Water

DTK Water are a leading manufacturer and supplier of water testing equipment and reagents offering analysis solutions for all types of water systems and industries.

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The Flamco Group is a member of the Aalberts Industries N.V. and is concerned with the development, production and sale of high-quality components for use in HVAC systems. In more than 70 countries, we offer successful, innovative solutions for problems including residential and commercial building and sustainable energy.

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Howlett Associates

Howlett Associates Water Treatment Ltd is an established water treatment company operating across the UK including Scotland, offering LTHW, Condenser & CHW treatment programs, pre commission cleaning and remedial works to existing fouled water systems. All work is carried out to BSRIA standards and in accordance with our ISO9001, ISO14001 & OHSAS18001 system procedures and in full compliance with all relevant legislation and guidelines. For further information about our service or to arrange a site visit, call us on 020 8337 3516

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The Directors of Hydrocert have many years of experience in the industry and have reinforced this with a multitude of Water Management Society courses and Legionella Control Association (LCA) seminars and lectures. This allows us to provide our clients with the high standards of service and technical support we pride ourselves on. Whatever your situation we will be able to provide you with the support, means and services to optimise your control programme efficiency and ensure you are compliant with statutory requirements. We pride ourselves on the quality and detail of our services, from risk assessment reports to certificates for a single bacteria sample.

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Hydroviron formulate, blend and package speciality chemicals for a wide range of companies in the industrial, commercial and institutional water treatment market. Hydroviron do not supply chemicals to end users directly, only through service providers. In addition to chemical supply the Hydroviron Water Academy is a nationally recognised centre for the delivery of training and assessment for the Ofqual regulated QCF Qualifications in Water Treatment.

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Industrial Water Management

Industrial Water Management Ltd. is a specialist (Irish) manufacturer of state of the art water treatment chemicals for cooling and boiler water systems backed by regular consultancy/analytical services. We are established in the Irish market since 1974 and our varied customer base enables us to provide advice and experience on all water related topics.

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Kebble Environmental Services Ltd.

Kebble Environmental Services Ltd operates with a team of 30 operatives, equally split between the Commissioning and Water Treatment divisions.

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Kingfisher Environmental Services

Kingfisher Environmental Services specialises in the management of water quality in commercial and industrial buildings throughout the UK. Approved by the Legionella Control Association and to the ISO 9001 quality standard KES advises and assists customers on all types of water management issues whether it is on an individual project basis or as part of a continual management programme.

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Mitie Water Treatment

Mitie has the fastest growing water treatment business in the UK, providing our clients with a single source for all their water needs.

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Parsloe Simpson WT Consultants

Parsloe Simpson WT Consultants is a partnership of two of the most respected independent names in the UK water treatment industry. Chris Parsloe and Dr Pamela Simpson between them offer 40 years’ experience dealing with issues relating to water quality in closed circuit systems, from pre-commissioning stage through to maintenance and operational effectiveness.

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Sentinel is a company with a clear goal: we offer water treatment products and services that provide the best lifetime protection for heating and hot water systems. Originally launched in the UK by Grace Dearborn in 1988 and subsequently a subsidiary of the leading multinational General Electric, Sentinel has operated independently since 2005, expanding its international reach and range of innovative solutions.

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Suez Water Conditioning Services

SUEZ Water Conditioning Services UK develops and manufactures an extensive range of water treatment chemicals for use throughout industry. The product range is also available as ‘Own Label’ with full technical support. The UK-wide network of water treatment experts are also well positioned to provide specialist support and consultancy. That includes water system cleans & chlorinations, laboratory analysis, risk assessments, compliance audits and Ofqual accredited training courses, designed to help customers enhance site safety, efficiency and productivity.

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Total Environmental Compliance

Founded as an independent company in 1995, Total Environmental Compliance Ltd (previously known as TEAMS Northern Ltd) are a leading UK based specialist in water hygiene and consultancy which provides services for Industrial, Commercial, Leisure and Healthcare Sectors in Legionella risk assessment, Water Hygiene including cleaning and disinfection, storage tank remedial works etc, Analytical services (microbiological and chemical) from UKAS accredited laboratories, Chemical treatment for industrial & domestic LPHW as well as steam generating systems, open & closed cooling water and pool water systems.

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Water Treatment Products

Water Treatment Products Ltd is one of the leading water treatment companies in the UK. Established in 1999, we formulate, supply and manufacture speciality chemicals for a wide range of companies and applications under ‘own label’.

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WCS Group

WCS Group are a top-5 UK water treatment, control improvement and hygiene specialist. Accredited to ISO 9001, ISO 14001 and an MoD supplier since 1994, we provide ‘highest standards’ water system process management, lifecycle management, Legionella control, ACoP L8 compliance and training which helps customers reduce energy and water use safely and reliably.

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GEM is a privately owned SME that was established in 1999, located in the heart of London. GEM delivers mechanical and electrical services to public/private sector clients, including Westminster, Camden, Islington, Tower Hamlets, Hammersmith and CBRE. GEM provide advice on the latest technological advancements and legislative requirements to improve service delivery, reduce carbon footprints and ensure compliancy. GEM is determined to become the market leader, by investing and promoting within the local communities, to improve the lives of the residents.

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Vexo International are a manufacturer of high quality, award winning and innovative Water Treatment, Water Filtration and Energy Saving products. We pride ourselves on our research and development programmes incorporating both Laboratory & Field testing, customer feedback and also engaging with other industry professionals. This ensures our products achieve best practice needs, as well as receiving endorsement from Industry professionals. In less than 3 years we have expanded our sales markets into SE Asia, USA, Canada, Mexico and the Middle East

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With laboratories in Coventry, Otterbourne, Wakefield and on the outskirts of Glasgow, ALS are the premier laboratory service provider for Closed System Analysis. From microbiology to full chemistry suites we are able to provide instant and informative data.

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ADEY Professional Heating Solutions is Europe’s largest water treatment manufacturer serving the heating industry. Since pioneering magnetic filtration technology, ADEY has continued to innovate, developing a range of premium chemicals and a state-of-the-art water testing facility in the company's own UKAS accredited laboratory. Responding to advances in modern heating system technology and the demands of industry professionals, ADEY continues to lead the adoption of best practice in heating system maintenance and protection.

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Latis Scientific

We are a specialist closed systems laboratory based in London. No other laboratory in the UK has the same high level of technical capability, understanding and fast turnaround for the analysis of closed systems samples as Latis Scientific does. We have more than 25 years’ experience in the provision of laboratory analysis, surveillance projects and advisory services to support the compliance to BSRIA guidelines.

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Waterman Environmental Services

Waterman Environmental Services has over 30 years of leading industry experience in providing total Legionella control, water treatment management, and other environmental solutions to a wide spectrum of clients in both the public and private sector’s throughout the whole of the UK. Covering all aspects of water treatment including, risk assessments, monitoring and remedial works. We are able to offer all of our services in-house which enable us to provide a sustainable, cost effective and auditable level of service excellence.

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Musketeer Services Ltd

Established in 1996, Musketeer Services Ltd, and our dedicated team of experienced engineers and contract managers, operates nationwide, offering a range of compliance services. We have been members of the Legionella Control Association since 1999, and are accredited to ISO9001, ISO14001, BS OHSAS18001, CHAS, Safecontractors, and members of BSRIA, BSI and The Supply Chain Sustainability School.
We work closely with our customers to help maintain system water quality and control, and ensure compliance with regulations.

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Fielder Technical Services Ltd

Established Circa. 1982 Fielder Technical Services Limited is one of the longest running Pre-Commission Cleaning and Sterilisation Water Specialists in the country. Offering Chlorinations, Water Treatment, Validations and Legionella Risk Assessments for Commercial and Residential Heating, Chilled, Condenser and Domestic Systems. All work is carried out to current BSRIA and British Standards.