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Source: Northern Ireland Water, water hardness by water supply zone, published on OpenDataNI.","watergrade_report_id":"ni-zs1002:2025:9213222de0f68750:ni-hardness-v1"},{"record_id":"ni-zs1002:2025:9213222de0f68750:ni-hardness-v1:potassium","supplier":"Northern Ireland Water","supply_zone_code":"ZS1002","supply_zone_name":"Carran Hill Camly","geography_type":"water supply zone","period_label":"2025","period_start":"2025-01-01","period_end":"2025-12-31","parameter":"Potassium","value":4.75,"qualifier":"=","unit":"mg/l","sample_count":4,"source_title":"NI Water 2025 water hardness by water supply zone (OpenDataNI)","source_url":"https://admin.opendatani.gov.uk/dataset/38a9a8f1-9346-41a2-8e5f-944d87d9caf2/resource/c2c32b72-79a5-4e4d-8e0d-f6c990f38bd2/download/2025-water-hardness-by-water-supply-zone.pdf","source_sha256":"9213222de0f6875038c8c963ae08c6eefe732728200cb65a3a3b49ff7335f3b1","source_retrieved_at":"2026-09-06T16:36:21.996Z","source_licence":"OGL-UK-3.0","source_licence_url":"https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/","attribution":"Contains public sector information licensed under the Open Government Licence v3.0. Source: Northern Ireland Water, water hardness by water supply zone, published on OpenDataNI.","watergrade_report_id":"ni-zs1002:2025:9213222de0f68750:ni-hardness-v1"},{"record_id":"ni-zs1002:2025:9213222de0f68750:ni-hardness-v1:hardness","supplier":"Northern Ireland Water","supply_zone_code":"ZS1002","supply_zone_name":"Carran Hill Camly","geography_type":"water supply zone","period_label":"2025","period_start":"2025-01-01","period_end":"2025-12-31","parameter":"Total hardness","value":117.83,"qualifier":"=","unit":"mg/l as CaCO₃","sample_count":4,"source_title":"NI Water 2025 water hardness by water supply zone (OpenDataNI)","source_url":"https://admin.opendatani.gov.uk/dataset/38a9a8f1-9346-41a2-8e5f-944d87d9caf2/resource/c2c32b72-79a5-4e4d-8e0d-f6c990f38bd2/download/2025-water-hardness-by-water-supply-zone.pdf","source_sha256":"9213222de0f6875038c8c963ae08c6eefe732728200cb65a3a3b49ff7335f3b1","source_retrieved_at":"2026-09-06T16:36:21.996Z","source_licence":"OGL-UK-3.0","source_licence_url":"https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/","attribution":"Contains public sector information licensed under the Open Government Licence v3.0. Source: Northern Ireland Water, water hardness by water supply zone, published on OpenDataNI.","watergrade_report_id":"ni-zs1002:2025:9213222de0f68750:ni-hardness-v1"}]}