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Data details

UID 1026
Name Référentiel Hydrographique BD Topage
Description High-resolution (1:10,000) official national hydrographic reference database of France. Built by IGN and OFB under SANDRE standards to replace BD Carthage, it provides topologically structured high-precision vector features (watercourses, hydrographic sections, standing water bodies, elementary surfaces, catchments, and hydrographic nodes) compliant with the EU INSPIRE Hydrography model.
Update Frequency Continuous
Area National
Temporal 01 Jan. 2019 - 30 Oct. 2026
Timeliness Latest version available
Data Policy Freely accessible
Data type Geospatial data
Copernicus service product
Data format Vector dataset
Quality Control Procedure N/A
Dissemination Download Service
Inspire themes

Annex I: Hydrography
Geographical Coverage

France

French Guiana

Guadeloupe

Martinique

Mayotte

Réunion
Status Operational
State Draft
Created on Nov. 9, 2026, 10:44 a.m.
Last modified on Nov. 9, 2026, 10:44 a.m.

Data Providers

Data provider UID Data provider Role Is network Created on Last modified on
1273 Service d'administration nationale des données et référentiels sur l'eau (SANDRE) Originator Nov. 9, 2026, 10:54 a.m. Nov. 9, 2026, 10:54 a.m.

Requirements

Requirement UID Requirement Level of compliace Note Information costs Handling costs Created on Last modified on