{"id":"091daad6-6c5c-4d89-a504-77cd047b1dc5","type":"API","name":"Service de visualisation de données pour les établissements classés SEVESO","slug":"service-de-visualisation-de-donnees-pour-les-etablissements-classes-seveso","description":"La directive SEVESO a pour objet la prévention des accidents majeurs impliquant des substances dangereuses et la limitation de leurs conséquences pour l'homme et l'environnement. Le jeu de données géographiques SEVESO permet de localiser l'ensemble des établissements SEVESO en France. Une distincti…","free_access_class":"FREE_NO_AUTH","auth_type":"NONE","homepage_url":"https://www.data.gouv.fr/dataservices/service-de-visualisation-de-donnees-pour-les-etablissements-classes-seveso","docs_url":"https://www.data.gouv.fr/dataservices/service-de-visualisation-de-donnees-pour-les-etablissements-classes-seveso","repo_url":null,"status":"ACTIVE","verification_state":"STALE","tags":["environment","geospatial","business"],"logo_url":"https://udata-avatars.s3.rbx.io.cloud.ovh.net/65/7ba94a4a20474a8f7edbee06741b68-100.jpg","primary_source_url":"https://www.data.gouv.fr/dataservices/service-de-visualisation-de-donnees-pour-les-etablissements-classes-seveso","extraction_confidence":"0.40","created_at":"2026-06-07T22:08:28.208Z","updated_at":"2026-08-21T06:24:51.923Z","last_verified_at":"2026-08-15T11:37:18.027Z","deprecated_at":null,"ranking_score":41,"last_ranked_at":"2026-08-08T19:18:59.384Z","last_seen_at":null,"last_validated_at":null,"last_uptime_at":"2026-08-21T06:24:51.923Z","search_vector":"'a':170B 'access':143B 'accessible':291B 'accid':28B,84B 'accidents':176B,232B 'across':111B,259B 'aim':80B 'aims':228B 'all':256B 'and':236B,242B,251B,277B,288B 'api':67B,215B 'authent':145B 'authentication':293B 'between':247B 'brgm':125B,273B 'bureau':119B,267B 'busi':148C 'by':265B 'capabilities':254B 'capabl':106B 'classes':157A 'classifi':17A,74B 'classified':165A,222B 'classé':9A 'consequ':91B 'consequences':187B,239B 'conséquenc':39B 'dangereus':33B 'dangereuses':181B 'data':11A,70B,159A,218B 'de':2A,4A,37B,48B,53B,120B,150A,152A,185B,196B,201B,268B 'des':27B,31B,57B,175B,179B,205B 'direct':20B,78B 'directive':168B,226B 'distincti':63B,211B 'distinguish':98B 'distinguishes':246B 'donnees':153A,197B 'donné':5A,49B 'en':60B,208B 'ensembl':56B 'ensemble':204B 'environ':96B,146C 'environment':244B 'environn':45B 'environnement':193B 'establish':18A,73B,101B 'establishment':249B 'establishments':166A,221B 'et':34B,43B,123B,182B,191B,271B 'etablissements':156A,206B 'for':162A,219B,240B,255B 'franc':61B,112B 'france':209B,260B 'freeli':142B 'freely':290B 'french':66B,214B 'geographiques':198B 'geologiques':270B 'geospati':69B,147C 'geospatial':217B 'géographiqu':50B 'géologiqu':122B 'hazard':86B,137B 'hazardous':234B,285B 'hazardous-subst':136B 'hazardous-substance':284B 'homm':42B 'homme':190B 'identif':128B 'identification':276B 'impliqu':30B 'impliquant':178B 'industri':132B 'industrial':280B 'involv':85B 'involving':233B 'is':263B,289B 'it':245B,274B 'jeu':47B,195B 'l':41B,44B,55B,189B,192B,203B 'la':19B,25B,35B,167B,173B,183B 'le':46B,194B 'les':7A,155A 'leur':38B 'leurs':186B 'limit':36B,89B,237B 'limitation':184B 'localis':54B 'localiser':202B 'locat':72B 'locating':220B 'maintain':116B 'maintained':264B 'majeur':29B 'majeurs':177B 'major':83B,231B 'map':105B 'mapping':253B 'minieres':272B 'minièr':124B 'monitor':130B 'monitoring':278B 'nation':65B 'national':213B 'objet':24B,172B 'of':279B 'peopl':93B 'people':241B 'permet':52B,200B 'pour':6A,23B,40B,154A,171B,188B 'prevent':82B,230B 'prevention':174B 'provid':68B,104B 'provides':216B,252B 'prévention':26B 'recherch':121B 'recherches':269B 'regul':139B 'regulation':287B 'servic':1A,13A,114B 'service':149A,161A,262B 'seveso':10A,16A,21B,51B,59B,77B,100B,158A,164A,169B,199B,207B,225B,248B 'seveso-classifi':15A 'seveso-classified':163A 'site':110B,133B 'sites':258B,281B 'subject':134B,282B 'substanc':32B,87B,138B 'substance':286B 'substances':180B,235B 'such':257B 'support':127B 'supports':275B 'the':224B,243B,261B,266B 'their':238B 'this':212B 'threshold':102B 'thresholds':250B 'to':229B,283B 'under':223B 'une':62B,210B 'visual':12A 'visualis':3A 'visualisation':151A 'visualization':160A 'which':227B 'without':144B,292B 'établiss':8A,58B","popularity_score":"0.0000","maintenance_score":"0.7000","institution_id":"2d2b401c-42ae-4302-98cd-1442c0b2c5a1","institution_type":"AGENCY","country_code":"FR","official_confidence":40,"proof_summary":"official domain (data.gouv.fr) (catalog: api_gouv_fr)","source_seed_url":null,"is_public_sector":true,"published_at":"2026-06-07T22:08:28.208Z","geographic_scope":"NATIONAL","name_en":"Data visualization service for SEVESO-classified establishments","description_en":"This national French API provides geospatial data for locating establishments classified under the SEVESO directive, which aims to prevent major accidents involving hazardous substances and limit their consequences for people and the environment. It distinguishes between SEVESO establishment thresholds and provides mapping capabilities for all such sites across France. The service is maintained by the Bureau de recherches géologiques et minières (BRGM). It supports identification and monitoring of industrial sites subject to hazardous-substance regulation, and is freely accessible without authentication.","native_lang":"fr","access_level":"direct","formats":[],"capability_tier":"live","trust_score":55.75,"access":{"level":"direct","primary":{"kind":"query","label":"Query features","method":"GET","url":"https://mapsref.brgm.fr/wxs/georisques/seveso?service=WFS&version=2.0.0&request=GetFeature&typeNames=ms%3ASEVESO_GE_FXX&count=5&outputFormat=geojson","source":"query_example","runnable":true,"direct":true},"actions":[{"kind":"query","label":"Query features","method":"GET","url":"https://mapsref.brgm.fr/wxs/georisques/seveso?service=WFS&version=2.0.0&request=GetFeature&typeNames=ms%3ASEVESO_GE_FXX&count=5&outputFormat=geojson","source":"query_example","runnable":true,"direct":true},{"kind":"query","label":"GetFeature","method":"GET","url":"https://mapsref.brgm.fr/wxs/georisques/seveso?service=WFS&version=2.0.0&request=GetFeature&typeNames=%3Cfeature+type%3E&count=5&outputFormat=application%2Fjson","source":"query_example","runnable":true,"direct":true},{"kind":"query","label":"Run verified request","method":"GET","url":"https://mapsref.brgm.fr/wxs/georisques/seveso","source":"probe","runnable":true},{"kind":"query","label":"GetCapabilities","method":"GET","url":"https://mapsref.brgm.fr/wxs/georisques/seveso?service=WFS&version=2.0.0&request=GetCapabilities","source":"query_example","runnable":true,"direct":false},{"kind":"spec","label":"OpenAPI spec","method":"GET","url":"https://mapsref.brgm.fr/wxs/georisques/seveso?service=WMS&request=GetCapabilities&version=1.3.0","source":"openapi","runnable":false},{"kind":"landing","label":"Read the docs","method":"GET","url":"https://www.data.gouv.fr/dataservices/service-de-visualisation-de-donnees-pour-les-etablissements-classes-seveso","source":"docs","runnable":false}],"formats":[]},"maturity":{"entry_id":"091daad6-6c5c-4d89-a504-77cd047b1dc5","granularity":"entry","granularity_label":"One unit = one catalog entry. A PROXY for the SCOPE.md §4 ladder, which governs source families, not entries: a family with 400 entries moves this reading 400 times as much as a family with one. Never compare or combine with the source_family reading.","level":"discovered","level_index":1,"level_label":"Discovered","meaning":"Source and metadata recorded","counts_as_coverage":false,"blocked_by":"verified","rungs":[{"level":"discovered","level_index":1,"label":"Discovered","meaning":"Source and metadata recorded","evidence":"membership of the named population the ladder is taken over","counts_as_coverage":false,"met":true,"reached":true,"criterion":"TRUE"},{"level":"verified","level_index":2,"label":"Verified","meaning":"Access tested successfully","evidence":"entries.verification_state = 'VERIFIED'","counts_as_coverage":false,"met":false,"reached":false,"criterion":"entries.verification_state = 'VERIFIED'"},{"level":"profiled","level_index":3,"label":"Profiled","meaning":"Schema, dimensions and licence understood","evidence":"a data profile with at least one field (entry_data_profiles.field_count > 0)","counts_as_coverage":false,"met":true,"reached":false,"criterion":"EXISTS (SELECT 1 FROM entry_data_profiles p WHERE p.entry_id = entries.id AND COALESCE(p.field_count, 0) > 0)"},{"level":"executable","level_index":4,"label":"Executable","meaning":"Queries run through Commodity","evidence":"entries.capability_tier = 'live' — today's proxy for \"queryable through us\"","counts_as_coverage":true,"met":true,"reached":false,"criterion":"entries.capability_tier = 'live'"},{"level":"joinable","level_index":5,"label":"Joinable","meaning":"Canonical identifiers and concepts mapped","evidence":"a field link to a canonical identifier whose sampled VALUES match its format","counts_as_coverage":true,"met":false,"reached":false,"criterion":"EXISTS (SELECT 1 FROM entry_field_links efl WHERE efl.entry_id = entries.id AND efl.identifier_id IS NOT NULL AND efl.value_status = 'match')"},{"level":"reproducible","level_index":6,"label":"Reproducible","meaning":"Snapshots and transformation evidence retained","evidence":"at least one retained evidence manifest (migration 078)","counts_as_coverage":true,"met":false,"reached":false,"criterion":"EXISTS (SELECT 1 FROM evidence_manifests em WHERE em.entry_id = entries.id)"},{"level":"guaranteed","level_index":7,"label":"Guaranteed","meaning":"Monitored against an operational reliability target","evidence":"an active reliability target with a named monitor (migration 096)","counts_as_coverage":true,"met":false,"reached":false,"criterion":"EXISTS (SELECT 1 FROM entry_reliability_targets rt WHERE rt.entry_id = entries.id AND rt.is_active = true)"}],"officialness":{"basis":"catalog_inherited","label":"Inherited from the upstream catalog: this item came from a trusted official government catalog, and that provenance — not per-item proof — is the warrant. Its own proof score is below 80 or it matched no registered institution (apps/worker/src/connectors/catalog/qualify-store.ts).","proof_confidence":40,"proven_threshold":80,"institution_id":"2d2b401c-42ae-4302-98cd-1442c0b2c5a1","definition":"CASE WHEN COALESCE(entries.is_public_sector, false) IS NOT TRUE THEN 'not_official' WHEN COALESCE(entries.official_confidence, 0) >= 80 AND entries.institution_id IS NOT NULL THEN 'per_item_proven' ELSE 'catalog_inherited' END"},"source_family":{"key":"www.data.gouv.fr","label":"One unit = one source family, approximated by the serving host of the entry's primary source URL (e.g. bdl.stat.gov.pl). A COMPUTED stand-in for the curated families of SCOPE.md §5, which no table holds yet. A family sits at the highest level any of its entries has reached, because a family is integrated to the depth of its deepest working integration. 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A durable, replayable citation is persisted only on an explicit cite: GET /api/v1/entries/{id-or-slug}/evidence, or the MCP cite_query tool. Both are entry-scoped, because evidence_manifests is entry-shaped; a domain answer spanning several sources has no single entry and cannot be persisted through that path."}}