{"id":"d4e424f7-0ba9-4577-8f3a-41512826a309","created_at":"2025-09-04T14:36:41.736Z","updated_at":"2026-01-20T21:00:01.618Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"33c55ec7-9080-4406-8b1d-cdaae3708f62","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2002-09-16T04:00:00.000Z","observed_at_local":"2002-09-16T00:00:00-04:00","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/165808","readings":[{"id":"b589e9cc-2ead-4d57-bf00-4bbb246b8bc7","created_at":"2025-09-04T14:36:41.789Z","updated_at":"2025-09-04T14:36:41.789Z","parameter":"total_phosphorus","unit":"ppb","value":"9","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"0eb408bb-508d-49f5-bd25-1617ff80b565","created_at":"2025-09-04T14:36:41.857Z","updated_at":"2025-09-04T14:36:41.857Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"400","equipment":"lab_unspecified","equipment_limit":null}]}