{"id":"9650b75d-65d1-46d9-a0b7-b82789f8caf7","created_at":"2025-09-04T14:36:07.414Z","updated_at":"2026-01-20T20:59:29.299Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"91b3f48e-bdf9-487f-ad7e-cfe7f4a5b79f","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2004-05-19T04:00:00.000Z","observed_at_local":"2004-05-19T00:00:00-04:00","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/165637","readings":[{"id":"d22d9e2f-1ca7-412c-b908-fdc31f14e467","created_at":"2025-09-04T14:36:07.467Z","updated_at":"2025-09-04T14:36:07.467Z","parameter":"total_phosphorus","unit":"ppb","value":"9","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"3392ecd4-612b-455d-abce-ac4d6b6762e8","created_at":"2025-09-04T14:36:07.493Z","updated_at":"2025-09-04T14:36:07.493Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"360","equipment":"lab_unspecified","equipment_limit":null}]}