{"id":"2a239ef7-d59c-4355-ba8e-2d0496be69d3","created_at":"2025-09-04T14:38:17.383Z","updated_at":"2026-01-20T21:01:31.528Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"71f1f007-903d-4a3c-a2ae-42d24cd93b08","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-07-25T16:00:00.000Z","observed_at_local":"2016-07-25T12:00:00-04:00","notes":"Calcium: 16.5\r\nSample: B16-21898-5","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/166284","readings":[{"id":"036a799a-c88e-4ab6-94ca-a6492cb9a6e9","created_at":"2025-09-04T14:38:17.463Z","updated_at":"2025-09-04T14:38:17.463Z","parameter":"total_phosphorus","unit":"ppb","value":"8","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"0e8a0fb4-cb2a-4ba8-92fd-ad5eb357cb6c","created_at":"2025-09-04T14:38:17.477Z","updated_at":"2025-09-04T14:38:17.477Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"430","equipment":"lab_unspecified","equipment_limit":null}]}