Water Testing

ALS is one of the UK’s leading providers of water testing services, having been established over 40 years ago as the laboratory services provider to a statutory water supply company. ALS offers a range of high quality analytical testing services across the UK and Ireland through our UKAS or INAB accredited laboratories. As one of four key business divisions within ALS, we continually focus on improving our outstanding service levels to ensure our clients receive the service they expect and deserve.

Leading Provider

With extensive experience, ALS offers a comprehensive range of accredited water testing services from our modern, well-equipped laboratories. We carry out tests on all types of water across a broad range of industries - including raw, potable, recreational, process and waste - ensuring that the required UK or EU regulations are met.

With results available in hard copy, electronic format or by accessing our secure online results portal, we take great care to ensure that our clients' needs are met in full, whatever their requirements.

Water testing services include:

  • Clostridia
  • E.coli
  • Enterococci
  • Legionella
  • Pseudomonas
  • Total Coliforms
  • Colony Counts

Excellent Geographical Coverage

With fully equipped UKAS or INAB accredited laboratories strategically located across the UK and Ireland and a fleet of over 50 refrigerated collection vans, ALS seamlessly manages nationwide contracts for clients of all sizes. Tests can be carried out on the day of sample collection with results reported as soon as the analysis is complete.

Each van utilises ‘Quartix’ vehicle tracking technology and with temperature data logging on board we can ensure that all samples arrive for testing in excellent condition.

Industry Experts

All our laboratories are UKAS or INAB accredited, and our qualified staff carry out over a million tests every year. Our unrivalled industry experience and knowledge of the tests required for UK or EU regulatory compliance ensures that our clients can have complete confidence in the integrity of their results.

Broad Industry Coverage

With a comprehensive range of accredited water quality testing, ALS can satisfy a wide variety of demands from many industries. The knowledge and information gained from working across these sectors further enhances our high levels of technical ability, ensuring all customers can be kept up to date with the latest developments in the testing world.

A Testing Partner You Can Trust

With over 40 years experience in analytical water testing, more than 93% of our revenue derives from long-term relationships. Our clients receive excellent service from our strategically located water testing laboratories and, as a result of our UKAS accreditations and extensive knowledge, can have absolute confidence in the test results they receive.

We currently work with clients in the following sectors:

  • Building: Providing varied checks and assessments including legionella testing in cooling towers, swimming pool quality and drinking water quality.
  • Food: Undertaking a variety of tests to check the suitability of water for use in catering production processes as well as examining the quality of bottled drinking water.
  • Natural environment: Checking the quality of waters to assess or identify bathing water quality.
  • Pharmaceutical: Bespoke tests carried out at our purpose built pharmaceutical laboratory. For more information please visit the pharmaceutical section.