{"id":"cab4d7bb-bc0c-44d6-8334-1c2c9db95445","created_at":"2025-09-04T14:26:21.216Z","updated_at":"2026-01-20T20:45:21.993Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"7f2c697c-6e2e-463b-8579-34b3fe24c9b3","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2004-08-16T04:00:00.000Z","observed_at_local":"2004-08-16T00:00:00-04:00","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/161750","readings":[{"id":"404e584c-ba1a-4395-9021-60297fda4595","created_at":"2025-09-04T14:26:21.363Z","updated_at":"2025-09-04T14:26:21.363Z","parameter":"total_phosphorus","unit":"ppb","value":"18","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"ac63f29f-7f97-4f2b-9b5d-e3dc3b50a162","created_at":"2025-09-04T14:26:21.395Z","updated_at":"2025-09-04T14:26:21.395Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"550","equipment":"lab_unspecified","equipment_limit":null}]}