{"id":"ab953d53-4aa5-476b-b141-183aa58b3270","created_at":"2025-09-04T14:35:33.105Z","updated_at":"2026-01-20T20:58:53.850Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"e28e69e7-894f-4dd7-bde0-577f0c4146a1","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-08-05T16:00:00.000Z","observed_at_local":"2016-08-05T12:00:00-04:00","notes":"Calcium: 37.3\r\nSample: B16-23117-12","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["total_phosphorus","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/165441","readings":[{"id":"ac7f0294-75bf-4836-ae30-87836e7f2093","created_at":"2025-09-04T14:35:33.167Z","updated_at":"2025-09-04T14:35:33.167Z","parameter":"total_phosphorus","unit":"ppb","value":"14","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"fcc205af-1207-47df-aabc-72d47d3dae26","created_at":"2025-09-04T14:35:33.302Z","updated_at":"2025-09-04T14:35:33.302Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"550","equipment":"lab_unspecified","equipment_limit":null}]}