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The dataset also includes the OINs of the competent authorities, the ownership of the OINs lies with Logius and in the API only OINs of the competent authorities included in the dataset are returned. With regard to the dataset included in this dataset with the management limits of the 21 water boards in the Netherlands, the following applies: “It concerns the as-is situation as at 01-04-2019. This set is intended for use in the Digital System Environment Act (DSO). The set does not yet conform to INSPIRE specifications. Substantive harmonisation (topological correctness) by the water boards has yet to be done. Each water board is the source holder of its own management limit. Credits: Union of Water Boards in collaboration with Het Waterschapshuis.","free_access_class":"FREE_NO_AUTH","auth_type":"NONE","homepage_url":null,"docs_url":null,"repo_url":"https://brk.basisregistraties.overheid.nl/api/bestuurlijke-grenzen/v2","status":"ACTIVE","verification_state":"VERIFIED","tags":["government"],"logo_url":"https://www.google.com/s2/favicons?sz=64&domain=brk.basisregistraties.overheid.nl","primary_source_url":"https://brk.basisregistraties.overheid.nl/api/bestuurlijke-grenzen/v2","extraction_confidence":"0.16","created_at":"2026-06-24T18:59:56.253Z","updated_at":"2026-08-16T12:24:29.396Z","last_verified_at":"2026-08-16T12:24:29.396Z","deprecated_at":null,"ranking_score":56,"last_ranked_at":"2026-08-09T20:19:23.879Z","last_seen_at":null,"last_validated_at":null,"last_uptime_at":null,"search_vector":"'-04':189B,536B '-2019':190B,537B '01':188B,535B '1':326B,673B '2019':328B,675B '21':170B,517B 'act':202B,305B,549B,652B 'ad':79B 'added':426B 'addit':15B,67B,89B,287B 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It is maintained by Informatiehuis Ruimte and also includes water board boundaries supplied by Het Waterschapshuis, plus two additional national border variants provided by the Ministry of the Interior for use within the Digital System Environment Act (DSO). The dataset includes OINs of competent authorities, owned by Logius. Water board management limits reflect the situation as of 1 April 2019, are not yet INSPIRE-compliant, and are sourced from the Union of Water Boards and Het Waterschapshuis.","native_lang":"en","access_level":"documented","formats":[],"capability_tier":"reference","trust_score":45.83333333333333,"access":{"level":"documented","primary":{"kind":"query","label":"Run verified request","method":"GET","url":"https://brk.basisregistraties.overheid.nl/api/bestuurlijke-grenzen/v2","source":"probe","runnable":true},"actions":[{"kind":"query","label":"Run verified request","method":"GET","url":"https://brk.basisregistraties.overheid.nl/api/bestuurlijke-grenzen/v2","source":"probe","runnable":true}],"formats":[]},"maturity":{"entry_id":"c3a939e9-96b7-4121-8a1a-ea934ff0d1e6","granularity":"entry","granularity_label":"One unit = one catalog entry. 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