Our Services

WLLS Ltd is a leading water industry service provider specialising in leakage detection including, but not limited to, critical infrastructure and throughout the network, from source to tap:

Production Losses

Including raw water mains and transmission mains, where the operating conditions and environmental factors mean that effective and efficient leakage detection is a specialist job, requiring specialist tools and experience.

Trunk Main Losses

Trunk Main leakage detection is a core service for WLLS and we have a track record as a trusted service provider, delivering results for our clients for their most critical of distribution mains.


Distribution Losses

Distribution mains often represent 80-85% of all infrastructure assets. Usually sectorised into District Metered Areas (DMAs) and pressure reduced, the performance varies significantly, with a small proportion of DMAs (perhaps 20%) being responsible for a majority of intervention needs, especially leakage.

At WLLS, we are focussed on this 20%. We find the leaks and help to bring your nightlines down when others have not been able to.

Customer Supply Pipe Losses

Collectively, Customer Supply Pipe Losses (CSLs) are estimated to make up a significant proportion of reported leakage levels. 
The problem is that CSLs are distributed throughout the supply area, and expensive to repair, so we have reimagined the activity using the very latest technology to resolve CSLs quickly, efficiently and cost effectively.

Commercial and Industrial Losses

By working demand-side of the meter to locate leakage on site, we reduce water and wastewater consumption leading to lower OPEX costs and reductions in operational risk and carbon footprint.

Pipe Integrity Assessment

Leakage is what happens when the integrity of the pipes has been breached. Understanding pipe condition is at the vanguard of asset management practices and provides an opportunity to replace the pipe before leakage or bursts become an issue.

We work with those developing and delivering Pipe Condition Assessment services and offer complimentary services to any water company seeking to understand more about their assets, including condition assessments and deterioration surveys based on the catalysts that accelerate deterioration.

Special Projects, Research & Development

We work with water companies, technology companies and academia on special projects, research and development, as well as undertaking our own research and development programme too. As experts in our field, we work with others to push the limits of what is possible, and actively pursue our innovation strategy from the very top of the organisation.


Water Leak Location Services was established in 2013 to assist UK and International Water Utilities in tackling trunk main leakage and locating leaks in difficult site conditions.
Registered office: Unit 2 Basepoint Business Centre, Waterberry Drive, Waterlooville, Hampshire, PO7 7TH
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