{"id":"fa07c379-06b4-481d-9d40-7120a95474f4","created_at":"2025-09-04T14:29:28.095Z","updated_at":"2026-01-20T20:50:58.167Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"8ae75b85-a5b2-4683-ac41-a4f53d0191fa","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2005-08-18T04:00:00.000Z","observed_at_local":"2005-08-18T00:00:00-04:00","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/163158","readings":[{"id":"fc0b9e58-7ff2-48db-9d6a-f0012b1cb072","created_at":"2025-09-04T14:29:28.143Z","updated_at":"2025-09-04T14:29:28.143Z","parameter":"total_phosphorus","unit":"ppb","value":"20","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"18f994ac-9c6e-4ba8-8dd7-89c24694671d","created_at":"2025-09-04T14:29:28.157Z","updated_at":"2025-09-04T14:29:28.157Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"490","equipment":"lab_unspecified","equipment_limit":null}]}