Data sources

Translation: “Data source: ehyd.gv.at”, with ehyd.gv.at linked to https://ehyd.gv.at. Copyright rests with the ministry and the federal states.

Where these terms are published

Translation: “Data sources: Public Service of Wallonia”, with a link to hydrometrie.wallonie.be where possible.

Where these terms are published

Commercial use is permitted. The licence asks that a credit not suggest endorsement by Environment and Climate Change Canada.

Where these terms are published

Published on Données Québec under CC BY 4.0, with no attribution wording of its own. The dataset lists its author under the ministry’s former name, Ministère de la Sécurité publique; readings come from the ministry’s partner station operators.

Where these terms are published

Translation: “Source: DHMZ.” DHMZ’s terms say its published data is freely available for re-use, provided the source is cited, as required by law.

Where these terms are published

Translation: “You may share and adapt the work provided you credit its origin (source: ČHMÚ).” ČHMÚ states that products on its website are licensed CC BY 4.0.

Where these terms are published

Translation: “Contains data used under the terms of use for Danish public data.” The terms allow free commercial use, provided the use does not suggest Danmarks Miljøportal endorses the user. The measurements are made by the Danish Environmental Protection Agency, municipalities and regions.

Where these terms are published

Translation: “When using the data, please cite the source, the Estonian Environment Agency.” The agency says CC BY 4.0 applies as a rule, with conditions given for each distribution.

Where these terms are published

Syke asks for the licensor and the name of the data; its own example reads “Groundwater bodies / Source: Finnish Environment Institute (Syke)”.

Where these terms are published

Hub’Eau’s terms ask users to cite the author of the datasets; the Open Licence asks for the source (at least the licensor’s name) and the date the information was last updated. Hydrometry comes from the PHyC platform run by Service Central Vigicrues.

Where these terms are published

The licence requires no attribution; we credit WSV anyway. WSV notes that its data are unchecked raw values.

Where these terms are published

Translation: “Data source: Bavarian State Office for the Environment, www.lfu.bayern.de.” LfU licenses the GKD download data under CC BY 4.0, commercial use included, and asks for this credit to be clearly visible.

Where these terms are published

Translation: “LUBW must be named as the source, where possible with the date of processing.”

Where these terms are published

Translation: data and photographs published on the Met Office’s websites and data servers are free to use unless stated otherwise, provided their origin is cited (where and when the data was downloaded). No Icelandic readings are shown at present: the agency withdrew its public hydrology API.

Where these terms are published

OPW also asks that derived works refer to waterlevel.ie and to its disclaimer: the readings are provisional and unvalidated.

Where these terms are published

The province publishes its hydrometric level data on dati.trentino.it under CC BY 4.0, with no attribution wording of its own.

Where these terms are published

Translation: “Source: Arpa Piemonte – www.arpa.piemonte.it.” Arpa Piemonte also asks that modifications be indicated and that reuse not imply its endorsement.

Where these terms are published

The province publishes its meteorological and hydrographic measurement services under CC0 on its open-data portal. CC0 requires no attribution; we credit the province anyway.

Where these terms are published

Translation: “You must credit the work by citing the source ‘ARPAV’ and the URL http://www.arpa.veneto.it/, in a way that does not suggest the author endorses the use.” ARPAV marks its real-time data as unvalidated.

Where these terms are published

Translation: “you must cite the source (‘Arpae’) and the URL (https://www.arpae.it/).”

Where these terms are published

The data portal offers its data under CC BY 4.0 as a licence for re-use of public data, with no attribution wording of its own. The data is unvalidated.

Where these terms are published

Translation: “Source: Civil Protection of the Friuli Venezia Giulia Region.” The monitoring site asks for exactly this wording and allows commercial use.

Where these terms are published

Translation: “Regional Hydrological and Geological Sector (SIR) – Tuscany Region. Data distributed under the Creative Commons CC BY-SA 4.0 licence.” Commercial use is allowed; redistributed or adapted data must carry the same licence.

Where these terms are published

CC0 requires no attribution; we credit LVĢMC anyway.

Where these terms are published

Translation: “You may also use the data on your websites, but citing the Institute of Hydrometeorology and Seismology as the source of the information is mandatory.” ZHMS states this for its published data feeds; it names no licence.

Where these terms are published

CC0 requires no attribution. “Bron: Rijkswaterstaat” (“Source: Rijkswaterstaat”) is the credit Rijkswaterstaat gives for reuse on open.rijkswaterstaat.nl/copyright, which also asks that a credit not imply endorsement.

Where these terms are published

Where these terms are published

We could not read the council’s terms of use: its website refused our requests.

Where these terms are published

The council asks that its copyright be acknowledged.

Where these terms are published

Where these terms are published

The council provides its time-series data under CC BY 4.0, subject to its standard disclaimers.

Where these terms are published

Where these terms are published

The council asks that its copyright be acknowledged. The portal also carries data from Contact Energy, Manawa Energy, Environment Canterbury, Environment Southland and ESNZ.

Where these terms are published

NVE’s HydAPI documentation also asks that the service be referred to as the origin of the data where possible.

Where these terms are published

Translation: “The source of the data is IMGW-PIB. IMGW-PIB data have been processed.” Both statements are required where the data is processed.

Where these terms are published

SNIRH’s own site cannot be reached from outside Portugal, so we could not read any terms it publishes for the readings themselves.

Where these terms are published

Where these terms are published

Translation: “Source: Slovenian Environment Agency” (short form “Vir: ARSO”). ARSO requires the source to be cited whenever the data is published, distributed or used. The national open-data portal lists ARSO’s surface-water measurement dataset under CC BY 4.0.

Where these terms are published

The legal notice allows the information to be used in part or in full without express authorisation, provided the source is cited, and asks that reuse not imply the Confederation’s endorsement and that update dates be kept. It gives no fixed wording.

Where these terms are published

The legal notice reads “Salvo que se indique lo contrario, la reproducción queda autorizada siempre que se cite su origen” (“unless otherwise indicated, reproduction is authorised provided its origin is cited”).

Where these terms are published

MeteoGalicia offers its information free of charge, on the sole condition that MeteoGalicia and the Consellería de Medio Ambiente e Cambio Climático of the Xunta de Galicia are both expressly named as the source for any use beyond private use.

Where these terms are published

The Generalitat’s open licence asks for the source to be cited as “Generalitat de Catalunya. Departament de [department]. [agency]” and for the date of the last update to be given. Commercial reuse is permitted.

Where these terms are published

The network is run by U.T.E. HIDROSUR 2022. Its legal notice says the data comes from automatic stations, is unverified and has no official value.

Where these terms are published

The legal notice reads “Salvo que se indique lo contrario, la reproducción queda autorizada siempre que se cite su origen” (“unless otherwise indicated, reproduction is authorised provided its origin is cited”).

Where these terms are published

Translation: “Data origin: Júcar Hydrographic Confederation.” The date of the last update must also be given, and reuse must not imply endorsement.

Where these terms are published

Translation: “Data origin: Miño-Sil Hydrographic Confederation.” The date of the last update must be given where the original includes one.

Where these terms are published

The Confederation marks its real-time data as provisional.

Where these terms are published

We could not find a legal notice or terms of use on the Confederation’s current website.

Where these terms are published

The Confederation permits any private or commercial use of its content, data included, and of derived works, provided the origin is cited as “Confederación Hidrográfica del Segura”. It publishes under CC BY-SA 4.0, so adaptations carry the same licence.

Where these terms are published

Embalses.net is a private site, not a government agency. It names its own sources as the Ministerio para la Transición Ecológica, AEMET, the SAIH confederations, CEDEX and SIAR, and offers its charts under CC BY 4.0 provided Embalses.net is cited.

Where these terms are published

Translation: “You must name SMHI as the source and state whether you have changed the licensed material.” Rise Daisy aggregates the readings hourly and computes predictions from them.

Where these terms are published

Translation: “Surface-water data: Hydrology Division, Federal Office for the Environment FOEN.” FOEN suggests adding the date the data was retrieved.

Where these terms are published

Where these terms are published

The Hydrology API’s responses carry the OGL v3 licence. It gives no attribution wording of its own; the real-time API’s wording names that API specifically, so it is not reused here.

Where these terms are published

SEPA’s documentation provides the data under the Open Government Licence and asks users to acknowledge SEPA in the attribution statement.

Where these terms are published

NRW’s portal says its open data products are free to share and reuse for personal, research or commercial purposes under the Open Government Licence, and gives this attribution line. It also says the data is not for safety-critical use.

Where these terms are published

The water level network page links the Open Government Licence and gives no wording of its own.

Where these terms are published

Where these terms are published

RISE publishes no terms of its own; Reclamation follows the Department of the Interior’s policy, under which material produced by federal agencies is generally in the public domain.

Where these terms are published

We could not find a terms page for this data. NRCS marks SNOTEL data as provisional and subject to revision.

Where these terms are published