{"id":"c143cf5d-4bb1-4f5a-bd93-a187a2c0c45b","created_at":"2025-09-04T14:28:26.136Z","updated_at":"2026-01-20T20:49:20.967Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"086a8ef4-edab-4e38-ba1c-3cfdb66cf15d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2009-06-24T04:00:00.000Z","observed_at_local":"2009-06-24T00:00:00-04:00","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/162777","readings":[{"id":"f972160a-e976-4515-be86-acce78acc009","created_at":"2025-09-04T14:28:26.242Z","updated_at":"2025-09-04T14:28:26.242Z","parameter":"total_phosphorus","unit":"ppb","value":"17","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"f7335afc-3d76-4e99-a1c7-438a738d36ac","created_at":"2025-09-04T14:28:26.251Z","updated_at":"2025-09-04T14:28:26.251Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"450","equipment":"lab_unspecified","equipment_limit":null}]}