{"id":"ea0e75f1-b88b-4647-bb83-fd2e1dc76e1d","created_at":"2025-09-04T14:28:42.812Z","updated_at":"2026-01-20T20:49:53.877Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"79f726c7-6b7a-47f6-8305-9c72b155a621","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2009-06-24T04:00:00.000Z","observed_at_local":"2009-06-24T00:00:00-04:00","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/162915","readings":[{"id":"0e3882a2-7dfc-4269-b1d0-de5401e64776","created_at":"2025-09-04T14:28:42.873Z","updated_at":"2025-09-04T14:28:42.873Z","parameter":"total_phosphorus","unit":"ppb","value":"14","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"a431ad86-cece-4e4f-a1a8-26a36ce05747","created_at":"2025-09-04T14:28:42.886Z","updated_at":"2025-09-04T14:28:42.886Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"450","equipment":"lab_unspecified","equipment_limit":null}]}