PPRN: Flood Risk Prevention Plan for the Municipality of Tonnoy (54527)

PPRN — Restricted area of the PSS of the municipality of Tonnoy (54527) is a French regulatory zoning plan for flood risk prevention. The dataset, provided by the Bureau de Recherches Géologiques et Minières, maps areas subject to land-use restrictions based on hazard levels. It was last updated on April 5, 2019.

Use Cases

• Classifying land parcels into regulatory hazard zones (red, blue) based on the described zoning plan.
• Analyzing historical flood risk mapping evolution from Submersible Surface Planes (PSS) to Risk Prevention Plans (PPR).
• Modeling administrative constraints on construction and development in flood-prone areas.
• Studying the legal framework for utility easements and land-use restrictions under the French Environmental Code.

Strengths

• Dataset is based on enforceable legal documents (PSS/PPR) with status defined by the Barnier Law of 1995.
• Provides a specific geographic focus on the municipality of Tonnoy (code 54527).
• Distinguishes between three regulatory zone types (red, blue, and areas not directly exposed) as described.

Limitations

• Last updated 2019-04-05 00:00:00; freshness should be verified.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Bureau de Recherches Géologiques et Minières

Collection Method

Regulatory mapping for flood risk prevention, likely derived from legal and cartographic sources.

Time Range

Based on laws from 1935, 1937, and 1995; dataset snapshot from 2019.

Freshness

2019-04-05

Geography

Municipality of Tonnoy, France (code 54527).