{"id":"570d122a-3d6d-43a5-bdc9-5b17f0d92bdc","created_at":"2025-09-04T14:35:58.727Z","updated_at":"2026-01-20T20:59:19.007Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"7f294d19-20dc-412a-92af-68a929b4af66","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-07-19T16:00:00.000Z","observed_at_local":"2016-07-19T12:00:00-04:00","notes":"Sample: B16-21253-3","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/165580","readings":[{"id":"1b7dcdd9-41b8-47cf-bc80-e93eea54b860","created_at":"2025-09-04T14:35:58.855Z","updated_at":"2025-09-04T14:35:58.855Z","parameter":"total_phosphorus","unit":"ppb","value":"10","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"74b8c752-748f-4cb3-8614-a16d05b047c3","created_at":"2025-09-04T14:35:58.863Z","updated_at":"2025-09-04T14:35:58.863Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"350","equipment":"lab_unspecified","equipment_limit":null}]}