{"id":"667c0b45-5e75-4c8a-8aa7-765c6392e993","created_at":"2025-09-04T14:26:38.562Z","updated_at":"2026-01-20T20:45:58.908Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"25158055-f0be-4191-bd24-182538006830","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2006-09-05T04:00:00.000Z","observed_at_local":"2006-09-05T00:00:00-04:00","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/161915","readings":[{"id":"1db0feff-ab0e-4667-a1b7-f48907ac6f1f","created_at":"2025-09-04T14:26:38.589Z","updated_at":"2025-09-04T14:26:38.589Z","parameter":"total_phosphorus","unit":"ppb","value":"13","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"fddaa1b3-f0c1-44a3-a8b3-866293fb3571","created_at":"2025-09-04T14:26:38.603Z","updated_at":"2025-09-04T14:26:38.603Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"440","equipment":"lab_unspecified","equipment_limit":null}]}