Water follows terrain and pathways
Streets, rail corridors and low areas can become unintended flow paths.
Drainage capacity is only one factor
Rainfall intensity, river levels, groundwater and surface storage also matter.
Access loss can extend disruption
Even undamaged equipment may be difficult to reach.
Recovery crosses departments
Roads, utilities, waste cleanup and building services often have to be restored in coordination.
Scope boundary. This page explains system relationships at a planning level. Real utility, transportation, emergency, structural, electrical, cybersecurity and public-safety decisions require local agencies and qualified professionals.