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IDEXX water testing solutions are approved or accepted by regulatory agencies in more than 40 countries around the world and protect billions of people every day delivering easy, rapid, accurate and cost-effective information on water quality to laboratories and public utilities worldwide.

IDEXX entered the water testing market in 1993 with Colilert®, which is now used to protect two billion people worldwide from coliforms and E.coli in water. The Colilert-18 test became the ISO 9308-2 standard for the detection of E. coli and total coliforms in water in 2012, and EN ISO 9308-2 in 2014. In 2015, Colilert-18 was specified as a reference method in the European Drinking Water Directive 2015/1787.

The IDEXX portfolio has subsequently expanded to include products that identify the presence of Enterococci and opportunistic pathogens such as Cryptosporidium and Giardia and today, more Cryptosporidium and Giardia tests are conducted worldwide using the IDEXX Filta-Max® system than all other filtration technologies combined.

In 2011, IDEXX launched Pseudalert® for 24-hour detection of Pseudomonas aeruginosa in hospital water systems, pools, spas and bottled water. In 2017, Legiolert® was introduced for rapid detection of Legionella pneumophila, helping to safeguard against infections in sensitive and vulnerable populations.


Indepen is a consulting firm that specialises in the complex dependencies and relationships between the natural and built infrastructure and their role in supporting sustainable economic growth.

We work with policy makers, regulators, investors, company boards and senior management to address the relationship between energy, water, transport, construction, communication and investment. In an era of rapid change in policy, regulation and competitive market dynamics, we help our clients develop strategies and tailored delivery programmes that enable risk to be managed successfully.

Market reform and infrastructure development is often defined by a complex matrix of stakeholder relationships. We help our clients develop engagement and communication strategies that build confidence amongst diverse and sometimes conflicting stakeholder groups.

Our team brings together deep expertise in public policy, economic regulation, financial and behavioural modelling, stakeholder management and communications, market design and operation and programme design and delivery.


Interserve is one of the world’s foremost support services and construction companies. Our vision is to redefine the future for people and places.

Interserve Construction Limited is one of four service divisions that make up Interserve Plc. We operate across a variety of sectors including water and wastewater,  transport infrastructure (highways), power, waste, education, health and prisons, providing design, construction and maintenance of buildings and infrastructure.

We are a quick-response operator with services at any stage of an asset’s lifecycle. We have considerable in-house design capacity which includes mechanical, electrical and ICA (MEICA), SCADA and Process Engineering capability.