{"id":"39dc67b0-8cee-4246-9988-e62cf5f2751f","created_at":"2025-09-04T14:44:28.252Z","updated_at":"2026-01-20T21:04:07.247Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"77fe220d-cc92-4229-8218-e5b1447ad389","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2018-10-18T04:00:00.000Z","observed_at_local":"2018-10-18T00:00:00-04:00","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/167145","readings":[{"id":"c13b8269-7827-4c60-aa4e-52ea647fd2b5","created_at":"2025-09-04T14:44:28.358Z","updated_at":"2025-09-04T14:44:28.358Z","parameter":"total_phosphorus","unit":"ppb","value":"0.02","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"b76e7df2-c951-4660-973f-b338b62f9ee2","created_at":"2025-09-04T14:44:28.374Z","updated_at":"2025-09-04T14:44:28.374Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"0.56","equipment":"lab_unspecified","equipment_limit":null}]}