{"id":"8b3a3964-0491-4d40-88d9-3a4801fb05f3","created_at":"2025-09-04T14:24:59.211Z","updated_at":"2026-01-20T20:42:57.398Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"8f7255a2-2b3e-47e3-b7e3-9bd5e69d251e","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2004-07-19T04:00:00.000Z","observed_at_local":"2004-07-19T00:00:00-04:00","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/161072","readings":[{"id":"e1e37546-e1b9-42f2-a90c-f0f12bf0b15b","created_at":"2025-09-04T14:24:59.246Z","updated_at":"2025-09-04T14:24:59.246Z","parameter":"total_phosphorus","unit":"ppb","value":"14","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"4f9ede3e-27d2-426f-bf9c-8d1eaf19e464","created_at":"2025-09-04T14:24:59.260Z","updated_at":"2025-09-04T14:24:59.260Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"510","equipment":"lab_unspecified","equipment_limit":null}]}