Water Treatment

Specialist Water Quality Testing & Commissioning

Integrated Water Solutions

At GVG Group, our water treatment expertise plays a vital role in ensuring the safety, compliance, and performance of the UK’s clean water and wastewater networks. Through H2O Pro Solutions, we deliver specialist commissioning and testing services that support utility providers, main contractors, and infrastructure partners nationwide.

From pipeline swabbing and chlorination to sampling and certified laboratory testing, our teams provide end-to-end solutions that ensure new and existing networks are safe, compliant, and ready for operation. With a commitment to accuracy, efficiency, and regulatory compliance, we help clients protect public health while keeping critical projects on programme.

Water Treatment Services

Water Quality Testing & Sampling

Certified laboratory analysis for potable and non-potable water, ensuring full compliance with national standards.

Chlorination & Disinfection

Specialist chlorination and de-chlorination services for new mains, pipelines, and water assets.

Swabbing & Pipeline Commissioning

Thorough cleaning, scouring, and preparation of pipelines to ensure safe commissioning and optimal performance.

Pressure Testing & Integrity Checks

Verification of pipe strength, leakage control, and system compliance before connection or activation.

Asset Handover & Certification

Full documentation, test reports, and certification to meet regulatory and client requirements.

Delivered by H2O Pro

H2O Pro Solutions is the dedicated water quality and commissioning specialist of GVG Group, delivering safe, compliant, and efficient testing services nationwide. Working closely with G&V Gallagher and accredited laboratories, H2O Pro Solutions ensures every water asset is tested, disinfected, and certified to the highest standards.

With modern equipment, experienced engineers, and a strong focus on quality, we support projects across utilities, civil engineering, and infrastructure — helping clients meet strict regulatory requirements while keeping programmes on track.