{"id":"38780cba-be6d-4232-ae26-e272cae30d15","created_at":"2025-09-04T14:31:48.459Z","updated_at":"2026-01-20T20:54:45.105Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"529aa807-4e3e-4985-8ee1-255dc269ac96","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2002-05-28T04:00:00.000Z","observed_at_local":"2002-05-28T00:00:00-04:00","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/164166","readings":[{"id":"1cc1b7e8-8548-4b3b-9cdb-1cb83174c10a","created_at":"2025-09-04T14:31:48.501Z","updated_at":"2025-09-04T14:31:48.501Z","parameter":"total_phosphorus","unit":"ppb","value":"13","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"9d7c240a-220f-441e-af02-4b1c23140a3d","created_at":"2025-09-04T14:31:48.523Z","updated_at":"2025-09-04T14:31:48.523Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"440","equipment":"lab_unspecified","equipment_limit":null}]}