Comprehensive water management expertise
Commercial and industrial focus
Trusted by businesses for 25 years
Experienced leadership in water hygiene & compliance
At Caledonian Water Services, we are proud to be led by Jemma Tennant, who brings over 25 years of experience in water hygiene, environmental compliance, and Legionella control across both public and private sectors. With a BSc (Hons) in Science with Management Studies and extensive specialist qualifications, she supports our commitment to maintaining the highest professional standards.
Her experience working with healthcare estates, local authorities, housing providers, and commercial organisations allows us to deliver trusted guidance, practical solutions, and reliable compliance support across complex water systems.
Specialist technical support & industry expertise
We provide specialist technical support backed by Jemma Tennant’s extensive experience in Legionella control, water safety compliance, and environmental risk management. As Technical Director, she supports our operational and compliance teams through quality audits, risk assessment reviews, and technical guidance on complex water hygiene issues.
We also benefit from her expertise in delivering accredited Legionella training and expert witness services relating to water contamination investigations. Her broad operational, consultancy, and management background helps us deliver dependable compliance support tailored to complex estates and demanding regulatory environments.
Supporting best practice across the water industry
Jemma Tennant actively strengthens our commitment to industry best practice through her involvement in the professional water hygiene community. As Chair of the Water Management Society and contributor to multiple technical committees, she helps shape guidance relating to Legionella management and water safety standards.
We are also proud of her contribution as co-author of British Standard BS 7592-2, supporting best practice in microbiological sampling. Through training, consultancy, auditing, and technical investigations, we continue helping organisations strengthen governance, compliance, and long-term water safety management. Contact us today to discuss your requirements.
