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Operational Maintenance & Inspection Checklist for Water Storage Systems - 2026 Edition

Ensure Continuous Performance of Cooling & Fire Water Systems for Data Centres

This Maintenance & Inspection Checklist for Water Storage provides a detailed, timebased maintenance schedule tailored to water storage systems in high-availability data centres.

It supports compliance with HSE, BS, and insurer expectations. 

Who Should Use This Maintenance Checklist? 

  • Data Centre Operators 
  • Facilities & Maintenance Teams 
  • Hygienists & Water Treatment Specialists 
  • Compliance Managers 
inspection checklist for water storage

What This Checklist Covers

Daily Visual Checks

Weekly Operational Checks

Monthly Structural Inspections

Monthly Sensor & Control Verification

Monthly Water Quality Monitoring

Quarterly Legionella Testing (HSE L8)

Annual Internal Inspection

Biennial Legionella Risk Assessment

Enhance system reliability with a structured maintenance programme. 

Data Centre Maintenance & Inspection Checklist for Water Storage

This comprehensive Data Centre Maintenance & Inspection Checklist is essential for protecting uptime, safety, and compliance in mission‑critical environments. Data centres depend on water storage systems for cooling resilience, fire suppression, and operational continuity, making regular inspection and maintenance a non‑negotiable requirement. An effective inspection checklist for water storage provides a structured framework to ensure tanks, pipework, and associated components remain reliable, hygienic, and fit for purpose.

Routine inspections help identify early signs of deterioration such as corrosion, leaks, sediment build‑up, or biofilm growth – issues that can compromise water quality or system performance if left unchecked. For data centres, where even minor failures can lead to service disruption or equipment damage, proactive maintenance significantly reduces unplanned downtime and extends asset lifespan. A clear checklist also supports compliance with health and safety standards, water hygiene regulations, and internal audit requirements.

As data centre infrastructure scales and sustainability pressures increase, consistent maintenance regimes become increasingly important. An inspection checklist for water storage ensures maintenance activities are standardised across sites, responsibilities are clearly defined, and critical records are maintained. Ultimately, regular inspection and maintenance of water storage systems underpin operational resilience, protect high‑value assets, and help data centres meet the reliability expectations of clients and regulators alike.