{"id":"4a630b13-9808-45cb-a26e-fccc9682d76a","created_at":"2025-09-04T14:43:04.140Z","updated_at":"2026-01-20T21:03:46.045Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"24d5a829-b5e5-40dd-b851-2e8acfb61c24","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2018-05-28T04:00:00.000Z","observed_at_local":"2018-05-28T00:00:00-04:00","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/167012","readings":[{"id":"82694d40-6d66-450b-91d3-9d3a05659f6f","created_at":"2025-09-04T14:43:04.253Z","updated_at":"2025-09-04T14:43:04.253Z","parameter":"total_phosphorus","unit":"ppb","value":"0.01","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"f4b1cb7e-367e-4f04-9a8d-0c2febeda393","created_at":"2025-09-04T14:43:04.270Z","updated_at":"2025-09-04T14:43:04.270Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"0.34","equipment":"lab_unspecified","equipment_limit":null}]}