High Flood Zone
Full Form of HFZ
What is HFZ?
A High Flood Zone (HFZ) is a geographical area designated by disaster management authorities, including the National Disaster Management Authority (NDMA) and state-level agencies in India, as being highly susceptible to flooding during heavy rainfall, river overflows, or coastal storm surges. These zones are identified using historical flood data, topography, drainage patterns, and climate projections. In India, HFZs are primarily used in urban planning, land-use regulation, and insurance underwriting. Municipal corporations and state governments enforce strict building codes, prohibit new construction in HFZs, and mandate flood-proofing measures for existing structures. The classification is also critical for early warning systems, evacuation planning, and relief operations. For competitive exams such as UPSC Civil Services, State PCS, and NDA, questions on flood hazard zoning appear in the geography and disaster management sections. Understanding HFZs helps aspirants link natural hazards with governance and policy responses, especially after events like the Kerala floods (2018) and Mumbai monsoon floods. The term is commonly used in National Disaster Management Guidelines and is a key component of the 'Sendai Framework for Disaster Risk Reduction' adopted by India.
HFZ का फुल फॉर्म
उच्च बाढ़ क्षेत्र
Example
The Kerala State Disaster Management Authority has updated the HFZ map for the coastal districts to include areas affected by the 2018 floods.