{"id":"bccc0a9a-4403-4317-b353-f81e7ee58f7f","created_at":"2025-09-04T14:34:55.812Z","updated_at":"2026-01-20T20:58:23.195Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"541de925-48dc-4008-880c-d53dab7e435b","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-05-26T16:00:00.000Z","observed_at_local":"2016-05-26T12:00:00-04:00","notes":"Sample: B16-14533-49","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/165266","readings":[{"id":"c6ac513b-24cc-49fa-b6f6-8705cb7fecac","created_at":"2025-09-04T14:34:55.851Z","updated_at":"2025-09-04T14:34:55.851Z","parameter":"total_phosphorus","unit":"ppb","value":"17","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"6f3acebb-cefa-4fde-b781-111a02b892e8","created_at":"2025-09-04T14:34:55.864Z","updated_at":"2025-09-04T14:34:55.864Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"380","equipment":"lab_unspecified","equipment_limit":null}]}