{"id":"f45840c4-9a2c-4b01-ba43-688da4b450d1","created_at":"2025-09-04T14:28:45.350Z","updated_at":"2026-01-20T20:49:56.562Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"a0b61a70-4f9d-4255-9cdc-16e359f70eda","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2007-10-15T04:00:00.000Z","observed_at_local":"2007-10-15T00:00:00-04:00","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/162926","readings":[{"id":"13c12c7c-0666-483f-b483-20bc3a5ce868","created_at":"2025-09-04T14:28:45.424Z","updated_at":"2025-09-04T14:28:45.424Z","parameter":"total_phosphorus","unit":"ppb","value":"29","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"c8acd977-ae98-47c3-93ac-8ac759e527c7","created_at":"2025-09-04T14:28:45.432Z","updated_at":"2025-09-04T14:28:45.432Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"510","equipment":"lab_unspecified","equipment_limit":null}]}