{"id":"467d3bb9-99a1-4e27-8fcf-a32d7e745948","created_at":"2025-09-04T14:23:14.143Z","updated_at":"2026-01-20T20:37:56.126Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"ef444981-0c4e-435d-bbf0-fba48e927b1a","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2015-06-11T04:00:00.000Z","observed_at_local":"2015-06-11T00:00:00-04:00","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/160215","readings":[{"id":"61bb24b1-446a-4b49-90bf-4e6b6c689540","created_at":"2025-09-04T14:23:14.175Z","updated_at":"2025-09-04T14:23:14.175Z","parameter":"total_phosphorus","unit":"ppb","value":"8","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"ac31fa14-1713-484c-9d44-67088ecd5a1f","created_at":"2025-09-04T14:23:14.184Z","updated_at":"2025-09-04T14:23:14.184Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"260","equipment":"lab_unspecified","equipment_limit":null}]}