Critical infrastructure guide
Critical Infrastructure Interdependencies
How one infrastructure system depends on others and why cascading effects matter.
Systems note: infrastructure classifications, standards and responsibilities vary by country and operator. Use current local requirements for real decisions.
Why this matters
How one infrastructure system depends on others and why cascading effects matter.
Core system ideas
A water utility may depend on electricity, telecommunications, chemicals, transportation and skilled personnel at the same time.
Dependencies can be physical, cyber, geographic, organizational or supply-chain based.
Mapping dependencies helps identify where a single failure could create effects across several services.
What to review
Useful reviews usually combine service criticality, dependencies, condition, capacity, maintenance, alternate arrangements, restoration time and clear ownership rather than relying on one isolated metric.