{"id":"fa28cb22-732e-40e7-bbaa-54233360582a","created_at":"2025-09-04T14:22:37.513Z","updated_at":"2026-01-20T20:36:54.554Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"703e038b-3d85-4e91-b1ef-f6a1709ff22f","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2005-07-04T04:00:00.000Z","observed_at_local":"2005-07-04T00:00:00-04:00","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/159892","readings":[{"id":"7de0d482-b34a-41e8-b59a-c857d91e370f","created_at":"2025-09-04T14:22:37.566Z","updated_at":"2025-09-04T14:22:37.566Z","parameter":"total_phosphorus","unit":"ppb","value":"10","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"b75bba0e-5da1-43c7-a36a-5006daef3c25","created_at":"2025-09-04T14:22:37.583Z","updated_at":"2025-09-04T14:22:37.583Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"400","equipment":"lab_unspecified","equipment_limit":null}]}