{"id":"d499554b-c07d-4ebb-b413-6ca7f37a28f9","created_at":"2025-09-04T14:33:14.396Z","updated_at":"2026-01-20T20:56:35.492Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"8cfa10df-2676-4e94-bff6-5ff4f984ef16","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2005-06-21T04:00:00.000Z","observed_at_local":"2005-06-21T00:00:00-04:00","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/164693","readings":[{"id":"7a7cba38-d5df-48c4-8711-749439564b08","created_at":"2025-09-04T14:33:14.509Z","updated_at":"2025-09-04T14:33:14.509Z","parameter":"total_phosphorus","unit":"ppb","value":"37","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"d38155bd-93d7-40b1-9431-aeb34c472630","created_at":"2025-09-04T14:33:14.521Z","updated_at":"2025-09-04T14:33:14.521Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"510","equipment":"lab_unspecified","equipment_limit":null}]}