{"id":"11434ef2-b538-46d0-b85e-6c50a1cb7bf6","created_at":"2025-09-04T14:23:16.760Z","updated_at":"2026-01-20T20:37:59.985Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"5fdded70-928d-4140-91ce-9390384e3dec","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2005-07-21T04:00:00.000Z","observed_at_local":"2005-07-21T00:00:00-04:00","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/160236","readings":[{"id":"6f025bd6-0ae6-4414-921c-d63cb3b10f67","created_at":"2025-09-04T14:23:16.832Z","updated_at":"2025-09-04T14:23:16.832Z","parameter":"total_phosphorus","unit":"ppb","value":"9","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"a14625d9-a928-4b92-affb-8dd6fce83c68","created_at":"2025-09-04T14:23:16.851Z","updated_at":"2025-09-04T14:23:16.851Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"350","equipment":"lab_unspecified","equipment_limit":null}]}