{"id":"f6d73962-d07e-47e8-8997-888030108302","created_at":"2025-09-04T14:27:35.101Z","updated_at":"2026-01-20T20:47:54.467Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"f88b9fe7-3163-49a7-b419-87de5b2b41d7","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2001-10-02T04:00:00.000Z","observed_at_local":"2001-10-02T00:00:00-04:00","notes":null,"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/162404","readings":[{"id":"1431849b-ee6d-4d40-adfb-c94c175ef078","created_at":"2025-09-04T14:27:35.138Z","updated_at":"2025-09-04T14:27:35.138Z","parameter":"total_phosphorus","unit":"ppb","value":"15","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"2814a948-6da6-4478-aa3f-5028487c2ff0","created_at":"2025-09-04T14:27:35.143Z","updated_at":"2025-09-04T14:27:35.143Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"440","equipment":"lab_unspecified","equipment_limit":null}]}