{"id":"21c66599-c406-4e7d-85ff-a93916d577f2","created_at":"2025-09-04T14:28:25.531Z","updated_at":"2026-01-20T20:49:20.347Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"086a8ef4-edab-4e38-ba1c-3cfdb66cf15d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2004-08-24T04:00:00.000Z","observed_at_local":"2004-08-24T00:00:00-04:00","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/162774","readings":[{"id":"9544f176-b691-4f99-a488-c79b717063a0","created_at":"2025-09-04T14:28:25.665Z","updated_at":"2025-09-04T14:28:25.665Z","parameter":"total_phosphorus","unit":"ppb","value":"11","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"17d9f4e1-9c21-413e-91fc-742ee331d028","created_at":"2025-09-04T14:28:25.684Z","updated_at":"2025-09-04T14:28:25.684Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"500","equipment":"lab_unspecified","equipment_limit":null}]}