{
  "@context": "https://schema.org",
  "@type": "Dataset",
  "name": "Parthenia — tap-water hardness across European cities",
  "description": "Total tap-water hardness for verified European cities, in °dH, °fH and ppm CaCO₃, each measured and published by that city's own water utility, with the source named and linked. 'recommendedBlend' is Parthenia's own match, not a measured fact.",
  "url": "https://www.partheniacafe.com/en/water",
  "creator": {
    "@type": "Organization",
    "name": "Parthenia",
    "url": "https://www.partheniacafe.com"
  },
  "dateModified": "2026-07-18",
  "unit": {
    "hardness": [
      "dH",
      "fH",
      "ppm"
    ],
    "note": "1 °dH = 1.79 °fH = 17.85 ppm CaCO₃"
  },
  "count": 49,
  "cities": [
    {
      "slug": "berlin",
      "name": "Berlin",
      "endonym": "Berlin",
      "country": "DE",
      "hardness": {
        "dH": [
          15.1,
          23.3
        ],
        "fH": [
          27,
          41.6
        ],
        "ppm": [
          270,
          416
        ],
        "band": "hard"
      },
      "source": {
        "measuredBy": "Berliner Wasserbetriebe",
        "url": "https://www.bwb.de/de/assets/downloads/analysewerte-wasserwerke.pdf"
      },
      "recommendedBlend": "ligeia",
      "url": "https://www.partheniacafe.com/en/water/berlin"
    },
    {
      "slug": "muenchen",
      "name": "Munich",
      "endonym": "München",
      "country": "DE",
      "hardness": {
        "dH": [
          13.9,
          17.9
        ],
        "fH": [
          24.8,
          31.9
        ],
        "ppm": [
          248,
          319
        ],
        "band": [
          "medium",
          "hard"
        ]
      },
      "source": {
        "measuredBy": "Stadtwerke München",
        "url": "https://www.swm.de/wasser/wasserqualitaet"
      },
      "recommendedBlend": "ligeia",
      "url": "https://www.partheniacafe.com/en/water/muenchen"
    },
    {
      "slug": "hamburg",
      "name": "Hamburg",
      "endonym": "Hamburg",
      "country": "DE",
      "hardness": {
        "dH": [
          5.1,
          18.3
        ],
        "fH": [
          9.1,
          32.7
        ],
        "ppm": [
          91,
          327
        ],
        "band": [
          "soft",
          "hard"
        ]
      },
      "source": {
        "measuredBy": "Hamburg Wasser",
        "url": "https://www.hamburgwasser.de/wasser/mein-trinkwasser"
      },
      "recommendedBlend": "parthenope",
      "url": "https://www.partheniacafe.com/en/water/hamburg"
    },
    {
      "slug": "koeln",
      "name": "Cologne",
      "endonym": "Köln",
      "country": "DE",
      "hardness": {
        "dH": [
          15.6,
          18.1
        ],
        "fH": [
          27.8,
          32.3
        ],
        "ppm": [
          278,
          323
        ],
        "band": "hard"
      },
      "source": {
        "measuredBy": "RheinEnergie",
        "url": "https://www.rheinenergie.com/privatkunden/wasser/wasserqualitaet/"
      },
      "recommendedBlend": "ligeia",
      "url": "https://www.partheniacafe.com/en/water/koeln"
    },
    {
      "slug": "frankfurt",
      "name": "Frankfurt",
      "endonym": "Frankfurt am Main",
      "country": "DE",
      "hardness": {
        "dH": [
          5.8,
          19.7
        ],
        "fH": [
          10.4,
          35.2
        ],
        "ppm": [
          104,
          352
        ],
        "band": [
          "soft",
          "hard"
        ]
      },
      "source": {
        "measuredBy": "Mainova / Hessenwasser",
        "url": "https://www.mainova.de/de/wissenswertes/ratgeber/wasserqualitaet-und-wasserhaerte-mainova-trinkwasser"
      },
      "recommendedBlend": "parthenope",
      "url": "https://www.partheniacafe.com/en/water/frankfurt"
    },
    {
      "slug": "stuttgart",
      "name": "Stuttgart",
      "endonym": "Stuttgart",
      "country": "DE",
      "hardness": {
        "dH": [
          9,
          13.4
        ],
        "fH": [
          16.1,
          23.9
        ],
        "ppm": [
          161,
          239
        ],
        "band": "medium"
      },
      "source": {
        "measuredBy": "Netze BW Wasser",
        "url": "https://www.netze-bw.de/unsernetz/trinkwasserstuttgart"
      },
      "recommendedBlend": "parthenope",
      "url": "https://www.partheniacafe.com/en/water/stuttgart"
    },
    {
      "slug": "duesseldorf",
      "name": "Düsseldorf",
      "endonym": "Düsseldorf",
      "country": "DE",
      "hardness": {
        "dH": [
          14,
          15
        ],
        "fH": [
          25,
          26.8
        ],
        "ppm": [
          250,
          268
        ],
        "band": [
          "medium",
          "hard"
        ]
      },
      "source": {
        "measuredBy": "Stadtwerke Düsseldorf",
        "url": "https://www.swd-ag.de/pk/strom-gas-wasser/wasser/trinkwasseranalyse/"
      },
      "recommendedBlend": "ligeia",
      "url": "https://www.partheniacafe.com/en/water/duesseldorf"
    },
    {
      "slug": "leipzig",
      "name": "Leipzig",
      "endonym": "Leipzig",
      "country": "DE",
      "hardness": {
        "dH": [
          11.9,
          17
        ],
        "fH": [
          21.2,
          30.3
        ],
        "ppm": [
          212,
          303
        ],
        "band": [
          "medium",
          "hard"
        ]
      },
      "source": {
        "measuredBy": "Leipziger Wasserwerke",
        "url": "https://files.l.de/lde-typo3/Leipziger/Wasserwerke/Download-Center/Flyer_und_Broschueren/Wasserwerke-Jahresdurchschnittsanalyse-2025.pdf"
      },
      "recommendedBlend": "ligeia",
      "url": "https://www.partheniacafe.com/en/water/leipzig"
    },
    {
      "slug": "dresden",
      "name": "Dresden",
      "endonym": "Dresden",
      "country": "DE",
      "hardness": {
        "dH": [
          5.6,
          12.3
        ],
        "fH": [
          10,
          22
        ],
        "ppm": [
          100,
          220
        ],
        "band": [
          "soft",
          "medium"
        ]
      },
      "source": {
        "measuredBy": "SachsenEnergie",
        "url": "https://www.sachsenenergie.de/wps/portal/energie/cms/menu_main/privatkunden/wasser/gut-zu-wissen/trinkwasserqualitaet"
      },
      "recommendedBlend": "parthenope",
      "url": "https://www.partheniacafe.com/en/water/dresden"
    },
    {
      "slug": "paris",
      "name": "Paris",
      "endonym": "Paris",
      "country": "FR",
      "hardness": {
        "dH": [
          14.34,
          16.64
        ],
        "fH": [
          25.6,
          29.7
        ],
        "ppm": [
          256,
          297
        ],
        "band": "hard"
      },
      "source": {
        "measuredBy": "Eau de Paris / ARS Île-de-France",
        "url": "https://www.eaudeparis.fr/sites/default/files/2025-10/Rapport_ARS%202024_VF.pdf"
      },
      "recommendedBlend": "ligeia",
      "url": "https://www.partheniacafe.com/en/water/paris"
    },
    {
      "slug": "lyon",
      "name": "Lyon",
      "endonym": "Lyon",
      "country": "FR",
      "hardness": {
        "dH": [
          10.09,
          12.89
        ],
        "fH": [
          18,
          23
        ],
        "ppm": [
          180,
          230
        ],
        "band": "medium"
      },
      "source": {
        "measuredBy": "Eau publique du Grand Lyon",
        "url": "https://www.grandlyon.com/fileadmin/user_upload/media/pdf/eau/rapports/20251204_eau_rapport_annuel_2024.pdf"
      },
      "recommendedBlend": "parthenope",
      "url": "https://www.partheniacafe.com/en/water/lyon"
    },
    {
      "slug": "marseille",
      "name": "Marseille",
      "endonym": "Marseille",
      "country": "FR",
      "hardness": {
        "dH": [
          8.57,
          13.84
        ],
        "fH": [
          15.3,
          24.7
        ],
        "ppm": [
          153,
          247
        ],
        "band": "medium"
      },
      "source": {
        "measuredBy": "Eau de Marseille Métropole",
        "url": "https://www.eaudemarseille-metropole.fr/Le-parcours-de-l-eau/Une-eau-d-excellente-qualite"
      },
      "recommendedBlend": "parthenope",
      "url": "https://www.partheniacafe.com/en/water/marseille"
    },
    {
      "slug": "toulouse",
      "name": "Toulouse",
      "endonym": "Toulouse",
      "country": "FR",
      "hardness": {
        "dH": [
          3.98,
          7
        ],
        "fH": [
          7.1,
          12.5
        ],
        "ppm": [
          71,
          125
        ],
        "band": "soft"
      },
      "source": {
        "measuredBy": "Eau de Toulouse Métropole",
        "url": "https://www.eaudetoulousemetropole.fr/sites/g/files/dvc2771/files/document/2021/03/6%20Toulouse.pdf"
      },
      "recommendedBlend": "leucosia",
      "url": "https://www.partheniacafe.com/en/water/toulouse"
    },
    {
      "slug": "bordeaux",
      "name": "Bordeaux",
      "endonym": "Bordeaux",
      "country": "FR",
      "hardness": {
        "dH": [
          10.03,
          19.22
        ],
        "fH": [
          17.9,
          34.3
        ],
        "ppm": [
          179,
          343
        ],
        "band": [
          "medium",
          "hard"
        ]
      },
      "source": {
        "measuredBy": "Régie de l'Eau Bordeaux Métropole",
        "url": "https://hubeau.eaufrance.fr/api/v1/qualite_eau_potable/resultats_dis?code_commune=33063&code_parametre=1345"
      },
      "recommendedBlend": "ligeia",
      "url": "https://www.partheniacafe.com/en/water/bordeaux"
    },
    {
      "slug": "nantes",
      "name": "Nantes",
      "endonym": "Nantes",
      "country": "FR",
      "hardness": {
        "dH": [
          7.68,
          10.87
        ],
        "fH": [
          13.7,
          19.4
        ],
        "ppm": [
          137,
          194
        ],
        "band": [
          "soft",
          "medium"
        ]
      },
      "source": {
        "measuredBy": "Nantes Métropole / ARS Pays de la Loire",
        "url": "https://medias-metropole.nantes.fr/s3fs-public/documents/2025-08/la%20qualit%C3%A9%20de%20l%27eau_Nantes.pdf"
      },
      "recommendedBlend": "parthenope",
      "url": "https://www.partheniacafe.com/en/water/nantes"
    },
    {
      "slug": "strasbourg",
      "name": "Strasbourg",
      "endonym": "Strasbourg",
      "country": "FR",
      "hardness": {
        "dH": [
          13.05,
          16.58
        ],
        "fH": [
          23.3,
          29.6
        ],
        "ppm": [
          233,
          296
        ],
        "band": [
          "medium",
          "hard"
        ]
      },
      "source": {
        "measuredBy": "Eurométropole de Strasbourg",
        "url": "https://www.strasbourg.eu/documents/976405/1084539/durete_eau.pdf/fd850d01-80f2-2f1b-a3fc-aeebe45e82f7"
      },
      "recommendedBlend": "ligeia",
      "url": "https://www.partheniacafe.com/en/water/strasbourg"
    },
    {
      "slug": "sofia",
      "name": "Sofia",
      "endonym": "София",
      "country": "BG",
      "hardness": {
        "dH": [
          1.4,
          3.1
        ],
        "fH": [
          2.5,
          5.5
        ],
        "ppm": [
          25,
          55
        ],
        "band": "soft"
      },
      "source": {
        "measuredBy": "Софийска вода (Veolia)",
        "url": "https://www.sofiyskavoda.bg/water-quality-map"
      },
      "recommendedBlend": "leucosia",
      "url": "https://www.partheniacafe.com/en/water/sofia"
    },
    {
      "slug": "plovdiv",
      "name": "Plovdiv",
      "endonym": "Пловдив",
      "country": "BG",
      "hardness": {
        "dH": [
          4.9,
          14.4
        ],
        "fH": [
          8.7,
          25.7
        ],
        "ppm": [
          87,
          257
        ],
        "band": [
          "soft",
          "hard"
        ]
      },
      "source": {
        "measuredBy": "ВиК Пловдив",
        "url": "https://www.vik.bg/pages/Kachestvo-na-vodata.html"
      },
      "recommendedBlend": "parthenope",
      "url": "https://www.partheniacafe.com/en/water/plovdiv"
    },
    {
      "slug": "varna",
      "name": "Varna",
      "endonym": "Варна",
      "country": "BG",
      "hardness": {
        "dH": [
          10.1,
          21
        ],
        "fH": [
          18,
          37.5
        ],
        "ppm": [
          180,
          375
        ],
        "band": [
          "medium",
          "hard"
        ]
      },
      "source": {
        "measuredBy": "ВиК Варна",
        "url": "https://vikvarna.com/bg/Ka4estvovoda/Tvurdost.html"
      },
      "recommendedBlend": "ligeia",
      "url": "https://www.partheniacafe.com/en/water/varna"
    },
    {
      "slug": "burgas",
      "name": "Burgas",
      "endonym": "Бургас",
      "country": "BG",
      "hardness": {
        "dH": [
          9,
          10.1
        ],
        "fH": [
          16.1,
          18
        ],
        "ppm": [
          161,
          180
        ],
        "band": "medium"
      },
      "source": {
        "measuredBy": "ВиК Бургас",
        "url": "https://vik-burgas.com/uploads/documents/page/105/4891.pdf"
      },
      "recommendedBlend": "parthenope",
      "url": "https://www.partheniacafe.com/en/water/burgas"
    },
    {
      "slug": "ruse",
      "name": "Ruse",
      "endonym": "Русе",
      "country": "BG",
      "hardness": {
        "dH": [
          13,
          14
        ],
        "fH": [
          23.2,
          25
        ],
        "ppm": [
          232,
          250
        ],
        "band": "medium"
      },
      "source": {
        "measuredBy": "ВиК Русе",
        "url": "https://www.vik-ruse.com/ekologia/tvardost-na-vodata"
      },
      "recommendedBlend": "parthenope",
      "url": "https://www.partheniacafe.com/en/water/ruse"
    },
    {
      "slug": "london",
      "name": "London",
      "endonym": "London",
      "country": "GB",
      "hardness": {
        "dH": [
          14,
          20.2
        ],
        "fH": [
          25,
          36.1
        ],
        "ppm": [
          250,
          361
        ],
        "band": [
          "medium",
          "hard"
        ]
      },
      "source": {
        "measuredBy": "Thames Water / Affinity Water",
        "url": "https://www.thameswater.co.uk/help/water-and-waste-help/water-quality/check-your-water-quality"
      },
      "recommendedBlend": "ligeia",
      "url": "https://www.partheniacafe.com/en/water/london"
    },
    {
      "slug": "manchester",
      "name": "Manchester",
      "endonym": "Manchester",
      "country": "GB",
      "hardness": {
        "dH": [
          1.3,
          1.8
        ],
        "fH": [
          2.3,
          3.2
        ],
        "ppm": [
          23,
          32
        ],
        "band": "soft"
      },
      "source": {
        "measuredBy": "United Utilities",
        "url": "https://www.unitedutilities.com/waterquality"
      },
      "recommendedBlend": "leucosia",
      "url": "https://www.partheniacafe.com/en/water/manchester"
    },
    {
      "slug": "glasgow",
      "name": "Glasgow",
      "endonym": "Glasgow",
      "country": "GB",
      "hardness": {
        "dH": [
          0.9,
          1.3
        ],
        "fH": [
          1.6,
          2.3
        ],
        "ppm": [
          16,
          23
        ],
        "band": "soft"
      },
      "source": {
        "measuredBy": "Scottish Water",
        "url": "https://www.scottishwater.co.uk/-/media/scottishwater/document-hub/key-publications/water-quality/130225waterhardnessdata24.pdf"
      },
      "recommendedBlend": "leucosia",
      "url": "https://www.partheniacafe.com/en/water/glasgow"
    },
    {
      "slug": "edinburgh",
      "name": "Edinburgh",
      "endonym": "Edinburgh",
      "country": "GB",
      "hardness": {
        "dH": [
          0.8,
          1.8
        ],
        "fH": [
          1.4,
          3.2
        ],
        "ppm": [
          14,
          32
        ],
        "band": "soft"
      },
      "source": {
        "measuredBy": "Scottish Water",
        "url": "https://www.scottishwater.co.uk/-/media/ScottishWater/Document-Hub/Key-Publications/Water-Quality/130225WaterHardnessData24.pdf"
      },
      "recommendedBlend": "leucosia",
      "url": "https://www.partheniacafe.com/en/water/edinburgh"
    },
    {
      "slug": "dublin",
      "name": "Dublin",
      "endonym": "Dublin",
      "country": "IE",
      "hardness": {
        "dH": [
          2.2,
          17.4
        ],
        "fH": [
          3.9,
          31.1
        ],
        "ppm": [
          39,
          311
        ],
        "band": [
          "soft",
          "hard"
        ]
      },
      "source": {
        "measuredBy": "Uisce Éireann",
        "url": "https://www.water.ie/help/water-quality/hard-water"
      },
      "recommendedBlend": "parthenope",
      "url": "https://www.partheniacafe.com/en/water/dublin"
    },
    {
      "slug": "wien",
      "name": "Vienna",
      "endonym": "Wien",
      "country": "AT",
      "hardness": {
        "dH": [
          6,
          12
        ],
        "fH": [
          10.7,
          21.4
        ],
        "ppm": [
          107,
          214
        ],
        "band": [
          "soft",
          "medium"
        ]
      },
      "source": {
        "measuredBy": "MA 31 – Wiener Wasser",
        "url": "https://www.wien.gv.at/umwelt/trinkwasser-wasserhaerte"
      },
      "recommendedBlend": "parthenope",
      "url": "https://www.partheniacafe.com/en/water/wien"
    },
    {
      "slug": "zurich",
      "name": "Zurich",
      "endonym": "Zürich",
      "country": "CH",
      "hardness": {
        "dH": [
          7.79,
          10.7
        ],
        "fH": [
          13.9,
          19.1
        ],
        "ppm": [
          139,
          191
        ],
        "band": [
          "soft",
          "medium"
        ]
      },
      "source": {
        "measuredBy": "Wasserversorgung Zürich",
        "url": "https://www.stadt-zuerich.ch/content/dam/web/de/umwelt-energie/wasser/dokumente/2024_Trinkwasserqualitaet.pdf"
      },
      "recommendedBlend": "parthenope",
      "url": "https://www.partheniacafe.com/en/water/zurich"
    },
    {
      "slug": "amsterdam",
      "name": "Amsterdam",
      "endonym": "Amsterdam",
      "country": "NL",
      "hardness": {
        "dH": [
          6.9,
          8.6
        ],
        "fH": [
          12.3,
          15.3
        ],
        "ppm": [
          123,
          153
        ],
        "band": [
          "soft",
          "medium"
        ]
      },
      "source": {
        "measuredBy": "Waternet",
        "url": "https://www.waternet.nl/service-en-contact/drinkwater/waterhardheid/"
      },
      "recommendedBlend": "leucosia",
      "url": "https://www.partheniacafe.com/en/water/amsterdam"
    },
    {
      "slug": "brussels",
      "name": "Brussels",
      "endonym": "Bruxelles",
      "country": "BE",
      "hardness": {
        "dH": [
          11.54,
          23.59
        ],
        "fH": [
          20.6,
          42.1
        ],
        "ppm": [
          206,
          421
        ],
        "band": [
          "medium",
          "hard"
        ]
      },
      "source": {
        "measuredBy": "VIVAQUA",
        "url": "https://environnement.brussels/media/20083/download?inline"
      },
      "recommendedBlend": "ligeia",
      "url": "https://www.partheniacafe.com/en/water/brussels"
    },
    {
      "slug": "madrid",
      "name": "Madrid",
      "endonym": "Madrid",
      "country": "ES",
      "hardness": {
        "dH": [
          0.6,
          2.6
        ],
        "fH": [
          1.1,
          4.6
        ],
        "ppm": [
          11,
          46
        ],
        "band": "soft"
      },
      "source": {
        "measuredBy": "Canal de Isabel II",
        "url": "https://www.canaldeisabelsegunda.es/documents/d/site/caracteristicas-medias-agua-consumo"
      },
      "recommendedBlend": "leucosia",
      "url": "https://www.partheniacafe.com/en/water/madrid"
    },
    {
      "slug": "barcelona",
      "name": "Barcelona",
      "endonym": "Barcelona",
      "country": "ES",
      "hardness": {
        "dH": [
          4,
          20.3
        ],
        "fH": [
          7.1,
          36.2
        ],
        "ppm": [
          71,
          362
        ],
        "band": [
          "soft",
          "hard"
        ]
      },
      "source": {
        "measuredBy": "Aigües de Barcelona",
        "url": "https://sinac.sanidad.gob.es/CiudadanoWeb/ciudadano/informacionAbastecimientoActionEntrada.do"
      },
      "recommendedBlend": "parthenope",
      "url": "https://www.partheniacafe.com/en/water/barcelona"
    },
    {
      "slug": "lisboa",
      "name": "Lisbon",
      "endonym": "Lisboa",
      "country": "PT",
      "hardness": {
        "dH": [
          2.2,
          9.5
        ],
        "fH": [
          3.9,
          17
        ],
        "ppm": [
          39,
          170
        ],
        "band": [
          "soft",
          "medium"
        ]
      },
      "source": {
        "measuredBy": "EPAL",
        "url": "https://www.epal.pt/EPAL/docs/default-source/agua/ficha-dureza.pdf"
      },
      "recommendedBlend": "leucosia",
      "url": "https://www.partheniacafe.com/en/water/lisboa"
    },
    {
      "slug": "warszawa",
      "name": "Warsaw",
      "endonym": "Warszawa",
      "country": "PL",
      "hardness": {
        "dH": [
          10,
          19.2
        ],
        "fH": [
          17.8,
          34.3
        ],
        "ppm": [
          178,
          343
        ],
        "band": [
          "medium",
          "hard"
        ]
      },
      "source": {
        "measuredBy": "MPWiK Warszawa",
        "url": "https://www.mpwik.com.pl/view/twardosc-wody"
      },
      "recommendedBlend": "ligeia",
      "url": "https://www.partheniacafe.com/en/water/warszawa"
    },
    {
      "slug": "praha",
      "name": "Prague",
      "endonym": "Praha",
      "country": "CZ",
      "hardness": {
        "dH": [
          4.7,
          14.4
        ],
        "fH": [
          8.4,
          25.7
        ],
        "ppm": [
          84,
          257
        ],
        "band": [
          "soft",
          "hard"
        ]
      },
      "source": {
        "measuredBy": "Pražské vodovody a kanalizace",
        "url": "https://www.pvk.cz/o-spolecnosti/opendata-pvk-pvs/"
      },
      "recommendedBlend": "parthenope",
      "url": "https://www.partheniacafe.com/en/water/praha"
    },
    {
      "slug": "stockholm",
      "name": "Stockholm",
      "endonym": "Stockholm",
      "country": "SE",
      "hardness": {
        "dH": [
          4,
          6
        ],
        "fH": [
          7.1,
          10.7
        ],
        "ppm": [
          71,
          107
        ],
        "band": "soft"
      },
      "source": {
        "measuredBy": "Stockholm Vatten och Avfall",
        "url": "https://www.stockholmvattenochavfall.se/kunskap/dricksvatten/vattenkvalitet/"
      },
      "recommendedBlend": "leucosia",
      "url": "https://www.partheniacafe.com/en/water/stockholm"
    },
    {
      "slug": "kobenhavn",
      "name": "Copenhagen",
      "endonym": "København",
      "country": "DK",
      "hardness": {
        "dH": [
          12,
          24
        ],
        "fH": [
          21.4,
          42.8
        ],
        "ppm": [
          214,
          428
        ],
        "band": [
          "medium",
          "hard"
        ]
      },
      "source": {
        "measuredBy": "HOFOR",
        "url": "https://www.hofor.dk/baeredygtige-byer/udviklingsprojekter/bloedere-vand/tidsplan-for-bloedere-vand/"
      },
      "recommendedBlend": "ligeia",
      "url": "https://www.partheniacafe.com/en/water/kobenhavn"
    },
    {
      "slug": "oslo",
      "name": "Oslo",
      "endonym": "Oslo",
      "country": "NO",
      "hardness": {
        "dH": [
          1.9,
          2.8
        ],
        "fH": [
          3.4,
          5
        ],
        "ppm": [
          34,
          50
        ],
        "band": "soft"
      },
      "source": {
        "measuredBy": "Oslo kommune VAV",
        "url": "https://www.oslo.kommune.no/vann-og-avlop/drikkevannskvalitet/"
      },
      "recommendedBlend": "leucosia",
      "url": "https://www.partheniacafe.com/en/water/oslo"
    },
    {
      "slug": "helsinki",
      "name": "Helsinki",
      "endonym": "Helsinki",
      "country": "FI",
      "hardness": {
        "dH": [
          2.9,
          3.1
        ],
        "fH": [
          5.2,
          5.5
        ],
        "ppm": [
          52,
          55
        ],
        "band": "soft"
      },
      "source": {
        "measuredBy": "HSY",
        "url": "https://www.hsy.fi/vesi-ja-viemarit/veden-laatu/"
      },
      "recommendedBlend": "leucosia",
      "url": "https://www.partheniacafe.com/en/water/helsinki"
    },
    {
      "slug": "napoli",
      "name": "Naples",
      "endonym": "Napoli",
      "country": "IT",
      "hardness": {
        "dH": [
          8.96,
          43.14
        ],
        "fH": [
          16,
          77
        ],
        "ppm": [
          160,
          770
        ],
        "band": [
          "medium",
          "hard"
        ]
      },
      "source": {
        "measuredBy": "ABC Napoli",
        "url": "https://www.abc.napoli.it/index.php?option=com_jumi&view=application&fileid=8&Itemid=316"
      },
      "recommendedBlend": "ligeia",
      "url": "https://www.partheniacafe.com/en/water/napoli"
    },
    {
      "slug": "milano",
      "name": "Milan",
      "endonym": "Milano",
      "country": "IT",
      "hardness": {
        "dH": [
          13.45,
          19.61
        ],
        "fH": [
          24,
          35
        ],
        "ppm": [
          240,
          350
        ],
        "band": [
          "medium",
          "hard"
        ]
      },
      "source": {
        "measuredBy": "MM S.p.A.",
        "url": "https://dati.comune.milano.it/dataset/0a1e04d3-cbef-433f-9eed-58eb61dafb39"
      },
      "recommendedBlend": "ligeia",
      "url": "https://www.partheniacafe.com/en/water/milano"
    },
    {
      "slug": "roma",
      "name": "Rome",
      "endonym": "Roma",
      "country": "IT",
      "hardness": {
        "dH": [
          15.86,
          19.61
        ],
        "fH": [
          28.3,
          35
        ],
        "ppm": [
          283,
          350
        ],
        "band": "hard"
      },
      "source": {
        "measuredBy": "ACEA Ato 2",
        "url": "https://www.aceaato2.a-acqua.it/qualita-acqua"
      },
      "recommendedBlend": "ligeia",
      "url": "https://www.partheniacafe.com/en/water/roma"
    },
    {
      "slug": "torino",
      "name": "Turin",
      "endonym": "Torino",
      "country": "IT",
      "hardness": {
        "dH": [
          6.16,
          15.69
        ],
        "fH": [
          11,
          28
        ],
        "ppm": [
          110,
          280
        ],
        "band": [
          "soft",
          "hard"
        ]
      },
      "source": {
        "measuredBy": "SMAT",
        "url": "https://www.smatorino.it/monitoraggio-acque/"
      },
      "recommendedBlend": "parthenope",
      "url": "https://www.partheniacafe.com/en/water/torino"
    },
    {
      "slug": "bologna",
      "name": "Bologna",
      "endonym": "Bologna",
      "country": "IT",
      "hardness": {
        "dH": [
          14.57,
          16.81
        ],
        "fH": [
          26,
          30
        ],
        "ppm": [
          260,
          300
        ],
        "band": "hard"
      },
      "source": {
        "measuredBy": "Gruppo Hera",
        "url": "https://www.gruppohera.it/gruppo/sostenibilita/non-solo-bilancio-di-sostenibilita/in-buone-acque/dati-qualita-acqua"
      },
      "recommendedBlend": "ligeia",
      "url": "https://www.partheniacafe.com/en/water/bologna"
    },
    {
      "slug": "firenze",
      "name": "Florence",
      "endonym": "Firenze",
      "country": "IT",
      "hardness": {
        "dH": [
          11.21,
          11.21
        ],
        "fH": [
          20,
          20
        ],
        "ppm": [
          200,
          200
        ],
        "band": "medium"
      },
      "source": {
        "measuredBy": "Publiacqua",
        "url": "https://www.publiacqua.it/qualita/firenze"
      },
      "recommendedBlend": "parthenope",
      "url": "https://www.partheniacafe.com/en/water/firenze"
    },
    {
      "slug": "palermo",
      "name": "Palermo",
      "endonym": "Palermo",
      "country": "IT",
      "hardness": {
        "dH": [
          15.46,
          23.76
        ],
        "fH": [
          27.6,
          42.4
        ],
        "ppm": [
          276,
          424
        ],
        "band": "hard"
      },
      "source": {
        "measuredBy": "AMAP",
        "url": "https://www.amapspa.it/comunicazioni/educazione/2019/11/28/carta-didentita-dellacqua/"
      },
      "recommendedBlend": "ligeia",
      "url": "https://www.partheniacafe.com/en/water/palermo"
    },
    {
      "slug": "bari",
      "name": "Bari",
      "endonym": "Bari",
      "country": "IT",
      "hardness": {
        "dH": [
          10.65,
          13.45
        ],
        "fH": [
          19,
          24
        ],
        "ppm": [
          190,
          240
        ],
        "band": "medium"
      },
      "source": {
        "measuredBy": "Acquedotto Pugliese",
        "url": "https://www.aqp.it/scopri-acquedotto/qualita-acqua"
      },
      "recommendedBlend": "parthenope",
      "url": "https://www.partheniacafe.com/en/water/bari"
    },
    {
      "slug": "capri",
      "name": "Capri",
      "endonym": "Capri",
      "country": "IT",
      "hardness": {
        "dH": [
          24.65,
          25.77
        ],
        "fH": [
          44,
          46
        ],
        "ppm": [
          440,
          460
        ],
        "band": "hard"
      },
      "source": {
        "measuredBy": "GORI",
        "url": "https://www.goriacqua.com/page/mappa-qualita-acqua"
      },
      "recommendedBlend": "ligeia",
      "url": "https://www.partheniacafe.com/en/water/capri"
    },
    {
      "slug": "ischia",
      "name": "Ischia",
      "endonym": "Ischia",
      "country": "IT",
      "hardness": {
        "dH": [
          19.05,
          25.21
        ],
        "fH": [
          34,
          45
        ],
        "ppm": [
          340,
          450
        ],
        "band": "hard"
      },
      "source": {
        "measuredBy": "EVI (Energia Verde ed Idrica)",
        "url": "https://www.evi-spa.it/MappePrelievi.html"
      },
      "recommendedBlend": "ligeia",
      "url": "https://www.partheniacafe.com/en/water/ischia"
    }
  ]
}