{"id":"e9849dd9-994b-429b-8fd7-4314fdcb31a6","created_at":"2025-09-04T14:38:17.147Z","updated_at":"2026-01-20T21:01:31.181Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"1ebfb618-4719-4336-8d7f-fa7b3215e501","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-08-10T16:00:00.000Z","observed_at_local":"2016-08-10T12:00:00-04:00","notes":"Calcium: 6.81\r\nSample: B16-23723-1","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/166282","readings":[{"id":"d737d8a2-73ae-4423-80de-68e24454dbcb","created_at":"2025-09-04T14:38:17.183Z","updated_at":"2025-09-04T14:38:17.183Z","parameter":"total_phosphorus","unit":"ppb","value":"13","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"6b066f3d-85ef-492a-bcd8-c1331c0e1985","created_at":"2025-09-04T14:38:17.191Z","updated_at":"2025-09-04T14:38:17.191Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"510","equipment":"lab_unspecified","equipment_limit":null}]}