{"id":"fc9f38e9-93b7-49af-b2a4-ad7d867e9e30","created_at":"2025-09-04T14:33:02.843Z","updated_at":"2026-01-20T20:56:26.857Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"cb1c7d3c-d734-4dcc-aaae-6493f7ea5d34","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2005-09-19T04:00:00.000Z","observed_at_local":"2005-09-19T00:00:00-04:00","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/164642","readings":[{"id":"796c271d-3dd8-4104-99c3-638d73a5d626","created_at":"2025-09-04T14:33:02.926Z","updated_at":"2025-09-04T14:33:02.926Z","parameter":"total_phosphorus","unit":"ppb","value":"22","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"20c9ce38-1ce2-403e-9702-49450f70f9b4","created_at":"2025-09-04T14:33:02.963Z","updated_at":"2025-09-04T14:33:02.963Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"430","equipment":"lab_unspecified","equipment_limit":null}]}