{"id":"afb7580b-15f7-4d87-b81d-dc3f65eb043b","created_at":"2025-09-04T14:30:02.505Z","updated_at":"2026-01-20T20:51:50.375Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"b37a97ba-27f2-4a2d-a7af-37c4b2e3b069","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2015-06-05T04:00:00.000Z","observed_at_local":"2015-06-05T00:00:00-04:00","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/163385","readings":[{"id":"db5732f9-a7cb-4fe0-a804-bd46c69bb4b9","created_at":"2025-09-04T14:30:02.549Z","updated_at":"2025-09-04T14:30:02.549Z","parameter":"total_phosphorus","unit":"ppb","value":"15","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"01993bf9-a7d6-4052-b703-808fbf1e2836","created_at":"2025-09-04T14:30:02.556Z","updated_at":"2025-09-04T14:30:02.556Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"410","equipment":"lab_unspecified","equipment_limit":null}]}