{"id":"a70aa350-a249-4b8f-8ab0-db5b97df63d6","created_at":"2025-09-04T14:33:47.507Z","updated_at":"2026-01-20T20:57:13.121Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"c4effd59-b233-43dc-b3fa-ede043bb705b","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2002-06-19T04:00:00.000Z","observed_at_local":"2002-06-19T00:00:00-04:00","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/164893","readings":[{"id":"8de34b03-617a-4fb6-a2fe-4324bf0eeb25","created_at":"2025-09-04T14:33:47.560Z","updated_at":"2025-09-04T14:33:47.560Z","parameter":"total_phosphorus","unit":"ppb","value":"13","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"2da21ee7-93fd-4d50-8964-24fb1fd371c2","created_at":"2025-09-04T14:33:47.574Z","updated_at":"2025-09-04T14:33:47.574Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"460","equipment":"lab_unspecified","equipment_limit":null}]}