{"id":"a2c5222d-5a12-438b-8590-772109915a3e","created_at":"2025-09-04T14:28:34.921Z","updated_at":"2026-01-20T20:49:35.140Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"3fd94fae-8426-4f93-a78f-808fa2edd582","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2006-07-05T04:00:00.000Z","observed_at_local":"2006-07-05T00:00:00-04:00","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/162834","readings":[{"id":"cf704d7e-315d-4794-9f24-ed488f818cb0","created_at":"2025-09-04T14:28:34.974Z","updated_at":"2025-09-04T14:28:34.974Z","parameter":"total_phosphorus","unit":"ppb","value":"22","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"6fd3ac76-4a1a-493d-8194-942b5215d689","created_at":"2025-09-04T14:28:34.988Z","updated_at":"2025-09-04T14:28:34.988Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"510","equipment":"lab_unspecified","equipment_limit":null}]}