{"id":"218fff30-3fd0-465e-a67f-b528fd2f2cc3","created_at":"2025-09-04T14:23:36.224Z","updated_at":"2026-01-20T20:38:28.020Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"d155ad59-27fc-41f7-875e-9977a130d1e6","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2015-08-25T04:00:00.000Z","observed_at_local":"2015-08-25T00:00:00-04:00","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/160391","readings":[{"id":"40666711-2150-4494-86d7-08f5de1f7142","created_at":"2025-09-04T14:23:36.299Z","updated_at":"2025-09-04T14:23:36.299Z","parameter":"total_phosphorus","unit":"ppb","value":"4","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"ef3e5da5-01c0-4419-958a-211c2c16f9b7","created_at":"2025-09-04T14:23:36.320Z","updated_at":"2025-09-04T14:23:36.320Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"390","equipment":"lab_unspecified","equipment_limit":null}]}