{"id":"8638bed4-4add-41a5-b974-c59de7b79c40","created_at":"2025-09-04T14:35:19.885Z","updated_at":"2026-01-20T20:58:45.875Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"88b48260-fa23-4420-a751-6bca3782d63c","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-08-05T16:00:00.000Z","observed_at_local":"2016-08-05T12:00:00-04:00","notes":"Calcium: 37.3, Sample: B16-23117-12","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/165394","readings":[{"id":"c620ad34-472a-4798-8302-70dedd773b97","created_at":"2025-09-04T14:35:19.996Z","updated_at":"2025-09-04T14:35:19.996Z","parameter":"total_phosphorus","unit":"ppb","value":"14","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"57d98dfa-aa3a-4b8a-81f6-69b389d50ca1","created_at":"2025-09-04T14:35:20.010Z","updated_at":"2025-09-04T14:35:20.010Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"550","equipment":"lab_unspecified","equipment_limit":null}]}