{"id":"a6483a1d-17f1-433e-af32-de3cac8cad65","created_at":"2025-09-04T14:32:55.709Z","updated_at":"2026-01-20T20:56:17.813Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d7ee0dec-c38e-4d7d-ab32-df47e88a8e43","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2005-08-25T04:00:00.000Z","observed_at_local":"2005-08-25T00:00:00-04:00","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/164593","readings":[{"id":"37f49f91-556b-4a5b-8f93-0cab4e4e962f","created_at":"2025-09-04T14:32:55.755Z","updated_at":"2025-09-04T14:32:55.755Z","parameter":"total_phosphorus","unit":"ppb","value":"20","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"b6b392c3-31e3-4749-8367-0067edc8805b","created_at":"2025-09-04T14:32:55.767Z","updated_at":"2025-09-04T14:32:55.767Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"440","equipment":"lab_unspecified","equipment_limit":null}]}