{"id":"b6ccb689-456d-4a0a-8c77-f11fdc3737c1","created_at":"2025-09-04T14:27:46.563Z","updated_at":"2026-01-20T20:48:15.954Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"821cfde8-c661-4c8f-ac2e-8d6ff128a2de","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2009-06-29T04:00:00.000Z","observed_at_local":"2009-06-29T00:00:00-04:00","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/162491","readings":[{"id":"5a320200-9d20-400b-948b-8984bba7612d","created_at":"2025-09-04T14:27:46.615Z","updated_at":"2025-09-04T14:27:46.615Z","parameter":"total_phosphorus","unit":"ppb","value":"10","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"938b1786-97b5-4ac8-929b-170e5511a397","created_at":"2025-09-04T14:27:46.624Z","updated_at":"2025-09-04T14:27:46.624Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"410","equipment":"lab_unspecified","equipment_limit":null}]}