{"id":"168e5eae-8aa0-4fce-88f5-577a76a25ecd","created_at":"2025-09-04T14:27:54.485Z","updated_at":"2026-01-20T20:48:30.590Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"5707743a-35c5-48bd-a977-61d575d7aeda","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2004-09-12T04:00:00.000Z","observed_at_local":"2004-09-12T00:00:00-04:00","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/162556","readings":[{"id":"652cf6a5-9104-4ca3-8326-0a5acf189591","created_at":"2025-09-04T14:27:54.583Z","updated_at":"2025-09-04T14:27:54.583Z","parameter":"total_phosphorus","unit":"ppb","value":"9","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"92ce7dd2-5f8f-4471-b106-1eb03ea14e25","created_at":"2025-09-04T14:27:54.592Z","updated_at":"2025-09-04T14:27:54.592Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"390","equipment":"lab_unspecified","equipment_limit":null}]}