{"id":"86d9ef5c-58af-45b0-950a-70cf5b19280d","created_at":"2025-09-04T14:35:24.816Z","updated_at":"2026-01-20T20:58:49.624Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"2315a03f-b799-41e4-a6a7-b7135a04a732","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-07-26T16:00:00.000Z","observed_at_local":"2016-07-26T12:00:00-04:00","notes":"Calcium: 24.7, Sample: B16-22108-5","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/165417","readings":[{"id":"045b62a8-f067-4d0d-bfa5-f3917b8d95d4","created_at":"2025-09-04T14:35:24.881Z","updated_at":"2025-09-04T14:35:24.881Z","parameter":"total_phosphorus","unit":"ppb","value":"4","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"6c7c9ef0-2ead-4d04-b12a-c34137fdea1d","created_at":"2025-09-04T14:35:25.053Z","updated_at":"2025-09-04T14:35:25.053Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"380","equipment":"lab_unspecified","equipment_limit":null}]}